Dale S. Sawyer

Professor

portrait of Dr. Dale S. Sawyer
  • B.S. Geophysics (1976) Purdue University
  • Ph.D. Marine Geophysics (1982) Massachusetts Institute of Technology
  • Marine Seismology, Geodynamics
  • Center for Computational Geophysics
  • Environmental and Energy Systems Institute

E-mail: dale@rice.edu
Phone: (713) 348-5106
Office: 313 Keith-Wiess Geology Labs

 

 

 

 

Research Areas

Marine Seismology, Geodynamics

Discovering Plate Boundaries

Alison Henning and I are working on distributing and expanding the Discovering Plate Boundaries classroom exercise.

Teaching Areas

Reflection Seismology, Earth's Interior, Remote Sensing, Geographic Information Science

Selected Publications

Abstracts

G. Peron-Pinvidic, G. Manatschal, T. Minshull, and D. Sawyer, 2006, How is continental break-up recorded in magma-poor rifted margins?, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract T53A-1586.

Sawyer, D.S. and S. Clark, 2006, South-directed mass wasting from the Galicia Bank: How might it affect interpretations of seismic and drilling results in the Iberia Abyssal Plain?, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract T51E-07.

Clark, S.A., Levander, A., Magnani, M., Zelt, C.A., Sawyer, D.S., Ave Lallemant, H.G., and BOLIVAR Working Group (2005), Crustal Structure of the Caribbean-South American Diffuse Plate Boundary: Subduction Zone Migration and Polarity Reversal Along BOLIVAR Profile 64W, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T11B-0390.

Clark, S.A., and Sawyer, D.S., (2005), Depth-Imaging the Transfer Boundary Between the Galicia Bank and Iberia Abyssal Plain Rifted Margin Segments, Integrating MCS and OBS Data, EOS Trans. AGU, 86(18), Jt. Assem. Suppl., Abstract T42A-03.

Guedez, M.C., Zelt, C.A., Magnani, M.B., Levander, A., Ghristeson, G.L., and Sawyer, D.S. (2005), BOLIVAR: Crustal Structure Across the Caribbean-South American Plate Boundary at 70W: Results from Refraction and Reflection Data, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T11B-0386.

Magnani, M., Zelt, C.A., Sawyer, D.S., Levander, A., and BOLIVAR Working Group (2005), Imaging the SE Caribbean Accretionary Boundary: Results from the BOLIVAR Seismic Reflection and Refraction data at 65W, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T11B-0388.

Sawyer, D.S., (2005), Non-volcanic rifting: New processes and new materials, EOS Trans. AGU, 86(18), Jt. Assem. Suppl., Abstract T51A-01.

Sawyer, D.S., Clark, S., and Morgan, J. (2005), Large scale mass wasting as a possible mechanism of formation of highly thinned continental crust and the S reflector on the Galicia rifted margin, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T43B-1392.

Tucholke, B.E., Sawyer, D.S., and Sibuet, J. (2005), Rifting and Breakup Between Newfoundland and Iberia, EOS Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T52B-01.

Alison Henning, Sawyer, D. "Internal structure and constraint on the location of the peridotite ridge on the West Iberia continental margin from seismic reflection profiles." Abstracts with Programs (2002)

Alison Henning, Sawyer, D. "Total tectonic subsidence analysis provides constraint on basement composition near the peridotite ridge on the West Iberia continental margin." EOS 19 November 2002 (2002) : f1261.

J. Wilton, A. Henning, Sawyer, D., S. Shipp "Teaching plate tectonic processes to students at all levels." Abstracts with Programs (2002)

Luttge, A., P. Conrad, Sawyer, D., K. Nealson "Mineral dissolution kinetics under the influence of microorganisms: A quantitative experimental approach." Abstracts with Programs (2002)

Sawyer, D. "Managing the business/industry input into the Professional Master's curriculum." Abstracts with Programs (2002)

Sawyer, D., Alison Henning, Stephanie Shipp "Discovering Plate Boundaries, A data rich classroom exercise." EOS 19 November 2002 (2002) : f344.

Sawyer, D., Luttge, A., P. Conrad "Towards a high resolution vertical scanning interferometer: Applications for fluid-solid-microbe interactions." Abstracts with Programs (2002)

T. Leythaeuser, T. Reston, C. Ranero, T. Minshull, Sawyer, D. "Breakup at the West Galicia rifted margin: Waveform inversion, depth imaging and structural reconstructions." EOS 19 November 2002 (2002) : f1261.

Articles

Three-dimensional geometries of rifting on a hyperextended margin Interpretation of seismic reflection profiles from the Deep Galicia Basin, Iberia, Journal of Geophysical Research, in revision, 2010.

Sean P. S. Gulick, Nathan L. B. Bangs, Gregory F. Moore, Juichiro Ashi, Kylara M. Martin, Dale S. Sawyer, Harold J. Tobin, Shin'ichi Kuramoto, and Asahiko Taira, Rapid forearc basin uplift and megasplay fault development from 3D seismic images of Nankai Margin off Kii Peninsula, Japan, Earth and Planetary Science Letters, v. 300, pp. 55-62, 2010.

Sean Gulick, Nathan Bangs, Gregory Moore, Juichiro Ashi, Kylara Martin, Dale Sawyer, Harold Tobin, Shin'ichid Kuramoto, Asahiko Taira "Rapid Forearc Basin Uplift and Megasplay Fault Development from 3D Seismic Images of Nankai Margin off Kii Peninsula, Japan." Geology Submitted

Kuramoto, S., Curewitz, D., Thu, M.K., Masago, H., and the Exp. 314, 315, and 316 Science Parties, (2008), The first D/V Chikyu IODP Operations: successful Drilling and Coring during NanTroSEIZE Stage 1 Expeditions, Scientific Drilling Journal, v. 6, p. 38-42.

D. Sawyer, M. Coffin, T. Reston, and J. Stock, 2007,Mission Continental Breakup: The formation and evolution of rifted continental margins, Scientific Drilling, No. 5, p. 13-25.

M. Coffin, D. Sawyer, T. Reston, and J. Stock, 2007, Mission Breakup: Report on an international workshop on continental breakup and sedimentary basin formation, Eos Trans. AGU.

Sawyer, D.S., and Fackler, D., 2007, Automatic method for associating lithologic type with laboratory measurements taken aboard the JOIDES Resolution, In Tucholke, B.E., Sibuet, J.-C., and Klaus, A. (Eds.), Proc. ODP, Sci. Results, 210: College Station, TX (Ocean Drilling Program), 1-21. doi:10.2973/odp.proc.sr.210.109.2007.

Ocean Drilling Program, Leg 210, Shipboard Scientific Party "Margins of the Newfoundland-Iberia Rift; ODP Leg 210 explores the Newfoundland Basin." JOIDES Journal, 30 (2004): 20-24.

Books

Kinoshito, M., Tobin, H., Thu, M.K., and the Exp. 314 Science Party, (in press), Initial Reports of the Integrated Ocean Drilling Program, Expedition 314, IODP-MI.

Ocean Drilling Program, Leg 210, Shipboard Scientific Party "Proceedings of the Ocean Drilling Program, Part A: Initial Reports, Leg 210." Proceedings of the Ocean Drilling Program, Part A: Initial Reports, Leg 210, 210 (2004).

Other

Kinoshita, M., Tobin, H, Thu, M.K., and the Exp. 314 Scientists, (2008), Integrated Ocean Drilling Program Expedition 314 Preliminary Report, IODP-MI, doi:10.2204/iodp.pr.314.2008.

Sawyer, D.S. "Discovering Plate Boundaries." Digital Library for Earth Systems Education (2005).

ODP Leg 210 Shipboard Scientific Party "Leg 210 Preliminary Report: Drilling the Newfoundland Half of the Newfoundland-Iberia Transect: The First Conjugate Margin Drilling in a Nonvolcanic Rift." (11/4/2003).

Bradford, J.H. and Sawyer, D. S. "Depth characterization of shallow aquifers with seismic reflection - Part II: Pre-stack depth migration and filed examples." Geophysics (in press)

Clark, Stephen, Austin, James A., Christeson, Gail. L., Nakamura, Yosio, and Sawyer, Dale S. "Along-strike structure of a non-volcanic rifted margin: Coincident MCS and OBS data from Galicia Bank and the Iberia Abyssal Plain." Journal of Geophysical Research (submitted)

Condi, F. J., Zelt, C. A., Sawyer, D. S., and Hirasaki, G. J. "Gravity inversion for rifted margin deep structure and isostatic constraints." Geophysical Journal International, 138 (1999) : 435-446.

Bradford, J.H., Sawyer, D.S., Zelt, C.A., and Oldow, J.S "Imaging a shallow aquifer in temperate glacial sediments using seismic reflection profiling with DMO processing shallow aquifer in temperate glacial sediments using seismic reflection profiling with DMO processing ." Geophysics, 63 (1998) : 1248-1256.

Refereed Articles

Bird, D., Hall, S., Burke, K., Casey, J, and Sawyer, D., 2007, Central Atlantic Ocean seafloor spreading history, Geosphere, v. 3, p. 282-298, DOI: 10.1130/GES00047.1.

Clark, S.A., D.S. Sawyer, J.A. Austin, Jr., G.L. Christeson, and Y. Nakamura, 2007, Characterizing the Galicia Bank-Southern Iberia Abyssal Plain rifted margin segment boundary using MCS, J. Geophys. Res., v. 112, B03408, doi:10.1029/2006JB004581.

Shillington, D.J., Tucholke, B.E., Karner, G.D., Sawyer, D.S., Holbrook, W.S., and Delius, H., 2007, Linking core and seismic data without logs: Core-seismic correlation at Site 1276, , In Tucholke, B.E., Sibuet, J.-C., and Klaus, A. (Eds.), Proc. ODP, Sci. Results, 210: College Station, TX (Ocean Drilling Program), 1- 33. doi:10.2973/odp.proc.sr.210.110.2007.

Peron-Penvidic, G., Manatschal, G., Minshull, T.A., and Sawyer, D.S., 2007, Tectonosedimentary evolution of the deep Iberia-Newfoundland margins: Evidence for a complex break-up history, Tectonics, v. 26, TC2011, doi:10.1029/2006TC001970.

Reston, T.J., Leythaeuser, T., Booth-Rea, G., Sawyer, D.S., Klaeschen, D., and Long, C., 2007, Movement along a low-angle normal fault. The S reflector west of Spain, 2007, Geochem. Geophys. Geosyst., 8, Q06002, doi:10.1029/2006GC001437.

Tucholke, B.E., Sawyer, D.S., and Sibuet, J.C., 2007, Breakup of the Newfoundland - Iberia rift, In G. Karnir, G. Manatschal, and L. Pinheiro (Eds.), Imaging, Mapping, and Modelling Continental Lithosphere Extension and Breakup, Geol. Soc., Spec. Publ., 282:9-46.

G. Peron-Pinvidic, G. Manatschal, T.A. Minshull, D.S. Sawyer, in press, The tecto-sedimentary evolution of the deep Iberia-Newfoundland margins: Evidence for a complex break-up history, Tectonics, in press.

Tucholke, B.E., Sawyer, D.S., and Sibuet, J.C., 2006, Breakup of the Newfoundland Iberia rift, In G. Karnir, G. Manatschal, and L. Pinheiro (Eds.), Extensional Deformation of the Lithosphere, New York, Columbia University Press, in press

Bird, D., Hall, S.A., Burke, K., Casey, J.F., and Sawyer, D.S. "Ridge jumps and asymmetric spreading in the central Atlantic Ocean." American Association of Petroleum Geologists Bulletin (2005).(In Revision)

Sawyer, D.S., Henning, A.T., Shipp, S., and Dunbar, R.W. "A Data Rich Exercise for Discovering Plate Boundary Processes." Journal of Geoscience Education, 53 (2005): 65-74.

Tucholke, B.E., Sawyer, D.S., and Sibuet, J.C. "Breakup of the Newfoundland - Iberia Rift." MARGINS Theoretical and Experimental Earth Science Series. (In Revision)

Henning, A. T., D. S. Sawyer, and D. C. Templeton "Exhumed upper mantle within the ocean-continent transition on the northern West Iberia margin: Evidence from prestack depth migration and total tectonic subsidence analyses." Journal of Geophysical Research, 109 (2004).

C. A. Zelt, K. Sain, J. V. Naumenko, and D. S. Sawyer "Assessment of crustal velocity models using seismic refraction and reflection tomography." Geophysical Journal International, 153 (2003): 609.

Perez-Gussinye, M., Ranero, C.R., Reston, T.J., and Sawyer, D. "Mechanisms of extension at nonvolcanic margins: Evidence from the Galicia Interior Basin, west of Iberia." Journal of Geophysical Research, 108 (2003)

John Bradford, Sawyer, D. "Depth characterization of shallow aquifers with seismic reflection; Part 2, Prestack depth migration and field examples." Geophysics, 67 (2002) : 98-109.

M. Perez-Gussinye, C. Ranero, T. Reston, Sawyer, D. "Structure and mechanisms of extension at the Galicia Interior Basin, west of Iberia." Journal of Geophysical Research (2002) In Press

S. Clark, J. Austin, G. Christeson, Y. Nakamura, Sawyer, D. "Alongstrike structure of a non-volcanic rifted margin: Coincident MCS and OBS data from Galicia Bank and the Iberia Abyssal Plain." Journal of Geophysical Research (2002) In Revision

Sawyer, D., A. Henning, S. Shipp, R. Dunbar "Discovering Plate Boundaries: A data rich classroom exercise." Journal of Geoscience Education (2002) Submitted

Zelt, C., K. Sain, J. Naumenko, Sawyer, D. "Assessment of 2-D crustal velocity models using seismic refraction and reflection tomography." Geophysical Journal International (2002) In Press

Presentations

Conference Committee Member

Speaker. "Subsurface Geoscience Professional MS at Rice." Anadarko Petroleum, Woodlands, TX. (2 May 2006)

Invited Papers

Sawyer, D.S., 2011, International Collaboration in Studies of Rifted Continental Margins, Geoprisms Research Workshop: Eastern North America Margins, 27-29 Oct 2011, Austin TX.

Invited Talks

Sawyer, Dale, S., Ocean drilling contributions to the study of continental breakup and the formation of new oceans, presentation to an NRC Committee evaluating the contributions of Scientific Ocean drilling: DSDP, ODP, and IODP, 25-26 July 2010, College Station, TX, 2010.

speaker. "An Industry Sponsored Scientific Ocean Drilling Program: Ocean Drilling Consortium." Inst. for Geophysics, Univ of Texas, Austin, TX. (28 April 2008)

Gulick, S.P., Bangs, N.L., Moore, G.F., Martin, K.M., Sawyer, D.S., Nakamura, Y., and Tobin, H.J.(2008), Kumano Forearc Basin Uplift and Megasplay Fault Development: 3D Seismic Images of Nankai Margin off Kii Peninsula, Japan, EOS Trans. AGU, 89(53), Fall Meet. Suppl., Abstract T21F-08.

Speaker. "Large Scale Landsliding During Rifting at the Galicia Margin." Shell Oil Research Company, Houston, TX. (9 July 2008)

Speaker. "Large Scale Landsliding during Rifting at the Galicia Margin." Rift Renaissance Workshop / Houston Museum of Natural Science, Houston, TX. (19 Aug 2008)

Speaker. "Ocean Drilling Consortium." Rift Renaissance Workshop / Houston Museum of Natural Science, Houston, TX. (19 Aug 2008)

Speaker. "Proposed Scientific Activities of the Ocean Drilling Consortium." Total Oil Company, Paris, France. (4 December 2008)

Speaker. "Proposed Scientific Activities of the Ocean Drilling Consortium." EcoPetrol Oil Company, Bogata, Columbia. (17 November 2008)

Speaker. "Seismic Studies in the Atlantic Offshore Portugal and Spain." Inst. for Geophysics, Univ. of Texas, Austin, TX. (10 July 2008)

Speaker. "Discovering Plate Boundaries." Fort Bend ISD, Clements High School. (3 Oct 2006)

Speaker. "Plate Tectonics." Rice/HISD Model Science Lab, Sanchez Elementary School. (14 Nov 2006)

Speaker. "Discovering Plate Boundaries, a data-rich inquiry-based classroom exercise for teaching plate tectonic boundary processes." American Geophysical Union 2005 Fall Meeting, San Francisco. (9 December 2005)

Co-Author. "Distribution of post-rift sills on the Newfoundland nonvolcanic margin around the ODP Leg 210 transect from waveform inversions and synthetic seismograms." ODP Leg 210 Postcruise Meeting, Briancon, France. (26 August 2005) With D Shillington, S Holbrook, G Karner, S Deemer

Speaker. "IODP Site Survey Requirements." Symposium on 3D seismic reflection imaging: A new opportunity for marine geoscience research, Palisades, New Jersey. (9 September 2005)

Speaker. "Indonesian Earthquakes and Tsunami." Rice University Women, Houston, Texas. (11 April 2005)

Speaker. "Indonesian Earthquakes and Tsunami." Science and Engineering Fair of Houston Recognition Dinner, Houston, Texas. (12 May 2005)

Speaker. "Large scale mass wasting as a possible mechanism of formation of highly thinned continental crust and the S reflector on the Galicia rifted margin and implications for the Newfoundland margin." ODP Leg 210 Postcruise Meeting, Briancon, France. (26 August 2005) With S Clark

Speaker. "Mass-wasting at the Galicia Bank rifted margin." Symposium in Honor of Prof. William Hinze, Purdue Univ., W. Lafayette, Indiana. (4 November)

Speaker. "Non-volcanic rifting: New processes and new materials." American Geophysical Union 2005 Joint Assembly, New Orleans. (27 May 2005)

Speaker. "Professional Masters Program in Subsurface Geoscience." Haliburton, Houston, Texas. (19 January 2005)

Co-Author. "Rifting and Breakup Between Newfoundland and Iberia." American Geophysical Union 2005 Fall Meeting, San Francisco. (9 December 2005) With B Tucholke, J Sibuet

Speaker. "Satellite Remote Sensing of Earth, Venus, and Mars." Rice Univ Alumni University, Houston, Texas. (27 February 2005)

Speaker. "Rifting, mantle exhumation, and detachment faulting: Galicia continental margin." InterMARGINS Workshop: Modeling Extensional Deformation of the Lithosphere, Pontresina, Switzerland. (12 July 2004)

Speaker. "Rifting, mantle exhumation, and detachment faulting: Galicia continental margin." Plate Tectonics, Plumes, and Planetary Lithospheres Conference, Houston, Texas. (14 November 2004)

Speaker. "Rifting, mantle exhumation, and detachment faulting: Galicia continental margin." Colorado State University, Dept. of Geology and Geophysics, Ft. Collins, Colorado. (5 October 2004)

Speaker. "Rifting, mantle exhumation, and detachment faulting: Galicia continental margin." Univ. of Wyoming, Dept of Geology and Geophysics, Laramie, Wyoming. (4 October 2004)

Speaker. "Galicia Bank and Iberia Abyssal Plain Rifted Continental Margin." Workshop on Non-Volcanic Rifted Margins, Southampton, UK. (3/3/2003)

Speaker. "Rifting on the Galicia Bank and Iberia Abyssal Plain continental margins." Ocean Drilling Program Leg 210 Newfoundland Margin, Drilling Vessel JOIDES Resolution - Atlantic Ocean. (7/20/03)

Speaker. "Riser Drilling in the International Ocean Drilling Program." Workshop on US participation in the IODP, San Francisco. (12/7/03)

Speaker. "Rolling Hinge Formation of S and Overlying Crustal Blocks at the Galicia Rifted Margin." American Geophysical Union Fall Meeting, San Francisco. (12/8/2003) With Pappano, P., Henning, A.T.

Speaker. "Towards a high resolution vertical scanning interferometer: Applications for fluid-solid-microbe interactions." MacKay School of Mines, U. Nevada Reno, Reno, Nevada. (4/17/2003) With Luttge, A., and Conrad, P.

"Discovering Plate Boundaries: A data-rich classroom exercise." American Association of Petroleum Geologists Geoscience Teachers Workshop, Houston, TX. (3/12/2002)

"Discovering Plate Boundaries: A data-rich classroom exercise." Geophysical Information for Teachers (GIFT) Workshop, San Francisco, CA. (12/6/2002)

"MARGINS Perspective on a higher resolution sea-surface satellite altimetry mission." Workshop on Bathymetry from Space, San Diego, CA. (10/25/2002)

"Managing the Business/Industry Input Into the Professional Master's Curriculum." Geological Society of America, Denver, CO. (10/30/2002)

"Study Abroad Opportunities and Advising for Science Majors." National Association of Foreign Study Advisors Annual Meeting, San Antonio, TX. (5/31/2002)

Keynote Speaker

Speaker. "Indonesian Earthquakes and Tsunami." Houston GIS Conference, Houston, TX. (17 November 2005)

Lectures

Speaker. "GSA Short Course: Discovering Plate Boundaries, an Active Learning Approach for Plate Tectonic Boundary Processes." Geological Society of America, Houston, TX. (3 Oct 2008)

Speaker. "Rifting and the creation of new ocean between Iberia and Newfoundland." IODP Exp 314 Science Party, Drilling Vessel Chikyu, Phillipine Sea. (9/30/2007)

Co-author. "The Galicia Bank Influence on the Southern Iberia Abyssal Plain Drilling Transect." AGU Fall Meeting 2007, San Francisco. (12/13/2008) With Stephen Clark and Jan Faleide.

Sawyer, D.S. and S. Clark, 2006, South-directed mass wasting from the Galicia Bank: How might it affect interpretations of seismic and drilling results in the Iberia Abyssal Plain?, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract T51E-07.

Presenter. "A discovery based approach to teaching plate tectonics." National Science Teachers Association, Dallas, TX. (4/1/05) With Alison Henning

Speaker's graduate advisor. "Crustal Structure of the Caribbean-South American Diffuse Plate Boundary: Subduction Zone Migration and Polarity Reversal Along BOLIVAR Profile 64W." American Geophysical Union 2005 Fall Meeting, San Francisco. (5 December 2005) With S Clark, A Levander, M Magnani, C Zelt, H Ave Lallemant, BOLIVAR Working Group

Co-Author. "Depth-imaging the transfer boundary between the Galicia Bank and Iberia Abyssal Plain rifted margin segments, Integrating MCS and OBS data." American Geophysical Union 2005 Joint Assembly, New Orleans. (27 May 2005) With Stephen Clark

Speaker. "Indonesian Earthquake and Tsunami." Conroe ISD Distingushed Lecture, Conroe High School. (17 October 2005)

Speaker. "Large scale mass wasting as a possible mechanism of formation of highly thinned continental crust and the S reflector on the Galicia rifted margin." American Geophysical Union 2005 Fall Meeting, San Francisco. (8 December 2005) With S Clark, J Morgan

Co-author. "Early seafloor ridge jumps in the central Atlantic Ocean." American Geophysical Union Fall Meeting, San Francisco, CA. (15 Dec 2004) With Bird, DE, Hall, SA, Burke, K, and Casey, JF

Co Author. "Evaluating an Introductory Geoscience Classroom Exercise using Pre- and Post-Exercise Assessments." American Geophysical Union Fall Meeting, San Francisco. (12/9/03) With Shipp, S., Henning, A.T.

Co-author. "Mechanisms of extension at non-volcanic margins: evidence from the Galicia Interior Basin, West of Iberia." EGS-AGU-EUG Joint Assembly, Nice, France. (4/8/2003) With Perez-Gussinye, M., Ranero, C.R., Reston, T.

"Internal structure and constraint on the location of the peridotite ridge on the West Iberia continental margin from seismic reflection profiles." Geological Society of America Annual Meeting, Denver, CO. (10/27/2002) With Alison Henning

"Mineral Dissolution Kinetics under the Influence of Microorganisms: A Quantitative Experimental Approach.." Geological Society of America Annual Meeting, Denver, CO. (10/27/2002) With A. Luttge, Pamela Conrad, K. Nealson

"Towards a High Resolution Vertical Scanning Interferometer: Applications for Fluid-Solid-Microbe Interactions.." Geological Society of America Annual Meeting, Denver, CO. (10/27/2002) With A. Luttge, Pamela Conrad

Other

"Along strike variation in the ocean-continent transtion off Iberia from seismic reflection profiles." American Geophysical Union Fall Meeting, San Francisco, CA. (14 December 2001) With Henning, A., and Pappano, P.

"Balanced profiles across the Iberia Rifted margin." American Geophysical Union Fall Meeting, San Francisco, CA. (14 Dec 2001) With Knoll, E., Pappano, P., and Henning, A.

"Description of along strike structural styles and implications of deep crustal reflections in the Galicia segment of the offshore Iberia Margin." American Geophysical Union Fall Meeting, San Francisco, CA. (14 December 2001) With Pappano, P.A., Zelt, C.A., and Henning, A.

"Drilling the Newfoundland Margin in the Newfoundland-Iberia rift." American Geophysical Union Fall Meeting, San Francisco, CA. (14 December 2001) With Tucholke, B., Driscoll, N.W., Holbrook, W.S., Hopper, J.R., Larsen, H.C., Louden, K.E., Minshull, T.A., Sibuet, J.C., Srivastava, S.P., and Whitmarsh, R.B.

"Rifting Processes: Examples from the Iberia Margin and the Mid-Atlantic Ridge." Institute for Geophysics, The University of Texas at Austin, Austin, Texas. (19 Oct 2001)

"Rifting at the Iberia Margin." MARGINS Workshop on Rupturing Continental Lithosphere, Sharm El Shiek, Egypt. (14-25 March 2001)

"Structure and mechanisms of extension at the Galicia Interior Basin. West of Iberia." American Geophysical Union Fall Meeting, San Francisco, CA. (14 December 2001) With Perez-Gussinye, M., Ranero, C.R., and Reston, T.J.

"Assessment of Crustal Velocity Models using Seismic Refraction and Reflection Tomography." American Geophysical Union Fall Meeting, San Francisco, CA. (15 December 2000) With Zelt, C.A., Sain, K., and Reddy, P.R.

"Finite Element Method Modeling of Continental Rifting." MARGINS Theoretical Institute on Rupturing Continental Lithosphere, Snowbird, Utah. (25 January 2000)

"S Reflector and Rifting Prcesses: Galicia Bank Basin and Iberia Abyssal Plain." Woods Hole Oceanographic Institution, Woods Hole Massachusetts. (5 May 2000)

"Structure and Extensional Mechanisms of the Galicia Interior Basin - West Iberia Margin." American Geophysical Union Fall Meeting, San Francisco, CA. (15 December 2000) With Perez-Gussinye, M., Ranero, C.R., and Reston, T.J.

"Along strike variation of a non-volcanic rifted margin: An MCS and OBS investigation of Galicia Bank and the Iberia Abyssal Plain." American Geophysical Union Meeting, Boston, MA. (2 June 1999) With Clark, SA, Christeson, GL, Austin, JA, Nakamura, Y

"Depth migration processing case study: Imaging the S reflector for interpretation of Mesozoic N. Atlantic rifting." American Geophysical Union Meeting, Boston, MA. (2 June 1999) With Reif, CT, Unger, M

"Description and mapping of Peridotite Ridge segments west of Galicia Bank in the Iberia Abyssal Plain using multichannel seismic reflection data." American Geophysical Union, Boston, MA. (2 June 1999) With Rodriguez, DC

"Interpretation of MCS dip lines from offshore Iberia: Seafloor to S and beyond." American Geophysical Union, Boston, MA. (2 June 1999) With Unger, MR

"Lithosphere rheology and the formation of oceanic magamullions and metamorphic core complexes." American Geophysical Union, Boston, MA. (4 June 1999)

"Multi-stage rifting of Pangea preserved below the Galicia Bank/Iberia margin." American Geophysical Union, San Francisco, CA. (17 December 1999) With Unger, MR

"Seismic velocity structure of the Iberia margin from simultaneous wide-angle and zero-offset traveltime inversion." American Geophysical Union, San Francisco, CA. (14 December 1999) With Zelt, CA, Knoll, ET

"The structure of the Iberia margin at 41 degrees 2 minutes N: MCS and OBH results." American Geophysical Union, San Francisco, CA. (14 December 1999) With Leythaeuser, T, Flueh, ER, Reston, T

"A New View of the S Reflector, Galicia Bank Basin." Symposium on Deep Reflection Profiling of the Continents and Their Margins, Barcelona, Spain. (September 1998)

"Along Axis Variation in Continental Rifting: Results of the ISE97 Experiment." Annual meeting of the American Geophysical Union, San Francisco, CA. (December 1998)

"Dynamics of Continental Rifting." Invited, Symposium on Deep Reflection Profiling of the Continents and Their Margins, Barcelona, Spain. (September 1998)

"Lithosphere Rheology and the Formation of Oceanic Mega-mullions and Metamorphic Core Compexes." Symposium on Deep Reflection Profiling of the Continents and Their Margins, Barcelona, Spain. (September 1998)

"Oceanic Mega-mullions, Metamorphic Core Complexes, and Continental Rifting." Invited Seminar at University of Houston, Houston, TX. (September 1998)

"The Dynamics of Continental Rifting and the Generation of New Oceanic Lithosphere." Royal Society Discussion Meeting, London, England. (May, 1998)

"The Galicia S Reflector." Annual meeting of the American Geophysical Union, San Francisco, CA. (December, 1998)

"The Structure of the Galicia Interior Basin: West of Iberia." Annual meeting of the American Geophysical Union, San Francisco, CA. (December 1998)

"The Structure of the Galicia Interior Basin: West of Iberia." Symposium on Deep Reflection Profiling of the Continents and Their Margins, Barcelona, Spain. (September 1998)

Posters

Wallace, D, and Sawyer, D.S., 2011, Scientific Research on a Barrier Island: A Rice University In-service K-12 Summer Course, Amnerican Geophysical Union International Meeting, San Francisco, Abstract ED53C-0817.

Sawyer, Dale S., Aspects of Mantle Exhumation During Magma Starved Rifting at the Galicia Margin, Chapman Conference on Detachments in Oceanic Lithosphere: Deformation, Magmatism, Fluid Flow, and Ecosystems, Agros, Cyprus, 9-15 May, 2010.

Borgmeyer, Amy, Dale Sawyer and Juli Morgan, Three-dimensional geometries of rifting on a hyperextended margin Interpretation of seismic reflection profiles from the Deep Galicia Basin, Iberia, Chapman Conference on Detachments in Oceanic Lithosphere: Deformation, Magmatism, Fluid Flow, and Ecosystems, Larnika, Cyprus, 2010.

Presenter. "Discovering Plate Boundaries Update: Builds Content Knowledge and Models Inquiry-based Learning." Fall Meeting of the American Geophysical Union, San Francisco, CA. (14 Dec 2009) With M.S. Pringle, A. Henning

Co-author. "Geophysical Survey of an Abandoned Cemetery in Prairie View, Texas: Unmarked Burials from Slave Era Discovered on College Campus." Fall Meeting of the American Geophysical Union, San Francisco, CA. (14 Dec 2009) With A. Henning, D. Wallace, A. Kahera

Co-author. "Geophysics and Texas History: Teachers Utilize GPS and GPR Technology to Help Restore an Abandoned Cemetery." Fall Meeting of the American Geophysical Union, San Francisco, CA. (14 Dec 2009) With A. Henning, D. Wallace, A. Kahera

Henning, A.T., Sawyer, D.S., and Milliken, K., (2008), Geophysical Field Work for Educators: Teachers Use Ground-Penetrating Radar to Study San Jacinto Battlefield Park, EOS Trans. AGU, 89(53), Fall Meet. Suppl., Abstract ED53A-0577.

Nakamura, Y., Moore, G., Gullick, S., Sawyer, D.S., Tsuji, T., Kinoshita, M., and Tobin, H., (2008), Seismic Attribute and Logging Data Correlation at IODP NanTroSEIZE Sites C0001, C0002, and C0004, EOS Trans. AGU, 89(53), Fall Meet. Suppl., Abstract T31B-1998.

Co-author. "Geophysical Investigation of an Abandoned Cemetery: Teachers Discover Evidence of Unmarked Graves in Prairie View, TX." AGU Fall Meeting 2007, San Francisco. (12/14/2007) With A Henning, R Baldwin, A Kahera, and A Thoms.

G. Peron-Pinvidic, G. Manatschal, T. Minshull, and D. Sawyer, 2006, How is continental break-up recorded in magma-poor rifted margins?, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract T53A-1586.

Co-author. "BOLIVAR: Crustal Structure Across the Caribbean-South American Plate Boundary at 70W: Results from Refraction and Reflection Data." American Geophysical Union 2005 Fall Meeting, San Francisco. (5 December 2005) With M Guedez, C Zelt, M Magnani, A Levander, G Christeson

Co-Author. "Imaging the SE Caribbean Accretionary Boundary: Results from the BOLIVAR Seismic Reflection and Refraction data at 65W." American Geophysical Union 2005 Fall Meeting, San Francisco. (5 December 2005) With M Magnani, C Zelt, A Levander, BOLIVAR Working Group

Co-author. "BOLIVAR: Backstepping of Subduction and Accretion of New Continental Crust along the SE Caribbean Plate Margin at 64oW?." American Geophysical Union Fall Meeting, San Francisco, California. (16 December 2004) With Stephen Clark, A. Levander, M.B. Magnani, C. Zelt

Co-author. "BOLIVAR: Crustal Structure across the Caribbean-South American plate Boundary at 67.5? W: results from Multichannel Seismic Reflection data ." American Geophysical Union Fall Meeting, San Francisco, California. (16 December 2004) With M. Beatrice Magnani, C.A. Zelt, A. Levander, BOLIVAR Study Group

Co-author. "BOLIVAR: Crustal structure across the Caribbean-South American plate boundary at 67.5 S: Results from wide-angle seismic data." American Geophysical Union National Meeting, San Francisco, CA. (15 Dec 2004) With CA Zelt, M. Magnani, L. Levander, M. Schmitz, GL Cristeson, P. Mann

Presenter. "BOLIVAR: Onshore-offshore seismic transect of the Caribbean/South American Plate boundary at Barcelona, Venezuela." American Geophysical Union Fall Meeting, San Francisco, California. (16 December 2004) With A. Levander, C.A. Zelt, P. Mann, M. Schmitz, BOLIVAR Study Group

Co-author. "Distribution of post-rift sills on the Newfoundland non-volcanic margin around the ODP Leg 210 Transect from waveform inversions and synthetic seismograms." American Geophysical Union National Meeting, San Francisco, CA. (16 December 2004) With DJ Shillington, WS Holbrook, GD Karner, S Deemer, BE Tucholke, Shipboard Science Party

"Imaging Rift Structure Along-Strike: the North-South Transition from Galicia Bank to the Iberia Abyssal Plain." InterMARGINS Workshop: Modeling Extensional Deformation of the Lithosphere, Pontresina, Switzerland. (12 July 2004) With Stephen A. Clark, James A. Austin, Jr., Gail L. Christeson, and Yosio Nakamura

Co-Author. "Emplacement of the Peridotite Ridge Within the Ocean-Continent Transition on the West Iberia Continental Margin." American Geophysical Union Fall Meeting, San Francisco. (12/8/03) With Henning, A.T.

Co-Author. "Structural Evolution and Rift History Leading to Breakup at the Deep Galicia Margin." American Geophysical Union Fall Meeting, San Francisco. (12/8/03) With Leythaeuser, T., Reston, T.J., Perez-Gussinye, M., Klaischen, D.

"Breakup at the West Galicia Rifted Margin: Waveform Inversion, Depth Imaging and Structural Reconstructions." American Geophysical Union Fall Meeting, San Francisco, CA. (12/6/2002) With T. Leythaeuser, T. Reston, C. Ranero, T. Minshull

"Discovering Plate Boundaries, A data rich classroom exercise." American Geophysical Union Fall Meeting, San Francisco, CA. (12/9/2002) With Alison Henning, Stephanie Shipp

"Discovering Plate Boundaries: a data-rich classroom exercise." Earthscope Education and Outreach Planning Meeting, Boulder, CO. (1/31/2002)

"Teaching Plate Tectonic Processes to Students at All Levels." Geological Society of America Annual Meeting, Denver, CO. (10/28/2002) With J. Wilton, A. Henning, S. Shipp

"Total Tectonic Subsidence Analysis Provides Constraint on Basement Composition Near the Peridotite Ridge on the West Iberia Continental Margin." American Geophysical Union Fall Meeting, San Francisco, CA. (12/6/2002) With A Henning

Workshops

speaker. "Development of the Ocean Drilling Consortium Model." Ocean Drilling Consortium / Rice University, Houston, TX. (16 June 2008)

Speaker. "Site Characterization for Future Ocean Drilling." IODP Workshop on Continental Breakup and Sedimentary Basins, Pontresina Switzerland. (16 Sept 2006)

Coauthor. "Subduction zone migration and polarity reversal along the Caribbean-South American diffuse plate boundary at 64W. Tectonics, Circulation, and Climate in the Caribbean Gateway." IODP Workshop on Cribbean Tectonics, Austin TX, USA. (30 Mar 2006) With Clark, S.A., A. Levander, M.B. Magnani, C.A. Zelt, H.G. Ave Lallemant, and the BOLIVAR Working Group.

Coauthor. "The Galicia Bank Southern Iberia Abyssal Plain Rifted Margin Segment Boundary. Investigating Continental Break-Up and Sedimentary Basin Formation." IODP Workshop on Continental Breakup and Sedimentary Basins, Pontresina Switzerland. (16 Sept 2006) With S. Clark.

Speaker. "Discovering Plate Boundaries." National Science Teachers Association National Meeting, Dallas, Texas. (2 April 2005) With A. Henning

Presenter. "Discovering Plate Boundaries: A data rich classroom activity." National Science Teachers Association, Dallas,TX. (4/2/05) With Alison Henning

Supervised Theses & Dissertations

Vance Henize, PhD Comparison of Cusp Locations Using Polar and IMAGE Data. (2002) (Committee Member)

Dipanjan Mitra, M.A. Late Oligocene and Miocene Evolution of the Yadana Carbonate System, Gulf of Martaban: Effects of Eustacy, Tectonics, and Siliciclastic Input; Comparison with the Maldives Carbonate System. (2004) (Committee Member)

Alison Henning, Ph.D. "Tectonics of the West Iberia Continental Margin from Seismic Reflection Data." (2004).(Thesis or Dissertation Director)

Jessica Kneupper Maddox, M.S. Holocene Evolution of the Matagorda/Lavaca Bay Complex, Central Texas Coast. (2005) (Committee Member)

Ph.D. Tectonic and Thermal History of the Western Serrania del Interior Foreland Fold and Thrust Belt and Guarico Basin, North Central Venezuela: Implications of New Apatite Fission Track Analysis and Seismic Interpretation. (2005) (Committee Member)

Mikala S. Beig, Ph.D. Feldspar dissolution kinetics and equilibrium: Implications for natural and engineered systems. (2005) (Committee Member)

Michael David Vinson, Doctor of Philosophy Crystal Dissolution Kinetics: Linking Surface Processes at the Solid-Solution Interface over Multiple Length-Scales. (2006) (Committee Member)

Min Hu, Master of Science Exploration on Variations in Cr/Co and V/Co Ratios in Pelagic Sediments. (2006) (Committee Member)

Jessica Kneupper Maddox, Master of Science Holocene Evolution of the Matagorda/Lavaca Bay Complex, Central Texas Coast. (2006) (Committee Member)

Amy Borgmeyer, MS Three-dimensional geometries of rifting on a hyperextended margin Interpretation of seismic reflection profiles from the Deep Galicia Basin, Iberia. (2010) (Thesis or Dissertation Director)

Erin Teague, PhD Groundwater modelling. (2010) (Committee Member)

Alison Henning, PhD Structure and Formation of the Peridotite Ridge on the Iberia Rifted Continental Margin. (Thesis or Dissertation Director)

Joern Jernsletten, PhD Slope Stability in Martian Canyons. (Thesis or Dissertation Director)

Phillip Pappano, PhD Late Stage Rifting of the Galicia Rifted Continental Margin. (Thesis or Dissertation Director)

Jern Jernsletten, PhD Slope Stability in Martian Canyons. (Thesis or Dissertation Director)

Awards

Distinguished Alumni Award, Purdue University Department of Earth and Atmospheric Sciences. (15 March 2007).

Member, National Science Foundation MARGINS Program Review Panel, National Science Foundation (2-4 may 2001)

MARGINS Program Review Panel, National Science Foundation (1998)

Positions Held

Member and Vice Chair, IODP Site Survey Panel. (1/1/05 - 12/31/07).