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Current Research in EEPS Seminar: Joe Stoner, Oregon State University Geomagnetic insights and magneto-stratigraphic opportunities provided through IODP drilling: New results from the Southern Alaska Margin IODP Exp 341” Abstract: IODP drilling of marine sediments provides the unique opportunity to sample otherwise inaccessible archives, offering insights to Earth history unobtainable through other means. Paleomagnetism, the study of Earth’s magnetic field recorded in geological materials, is often used to date these drilled records employing an approach known as magnetic stratigraphy. Polarity reversals,…Find out more »
Current Research in EEPS Seminar: David Rowley, University of Chicago Abstract Negative buoyancy associated with subduction of cold, dense oceanic lithosphere has for the past 45 years been considered to be the dominant driver of Earth's tectonic plates. In this framework, mid-ocean ridges are viewed as passive plate boundaries whose divergence accommodates flow driven by subduction of oceanic slabs at trenches. Using global plate kinematic reconstructions we show that over the past 80 Myr the East Pacific Rise (EPR), Earth’s…Find out more »
Current Research in EEPS Seminar: Stephen Meyers, University of Wisconsin "Being Milankovitch" Stephen R. Meyers Vilas Distinguished Professor University of Wisconsin-Madison Abstract - When Milankovitch cycles are preserved in the geologic record, they provide a direct link between chronometer and climate change, and thus a remarkable opportunity to constrain the evolution of the surficial Earth System. Consequently, the identification of such cycles has allowed exploration of the geologic record with unprecedented temporal resolution, and has spurred the development of a rich…Find out more »
Current Research in EEPS Seminar: Paul Wessel, University of Hawaii Hot-, Pole-, Plume- and Ridge-Spotting: Geometric Games of Plate Tectonics Abstract: The study of plate tectonics can be separated into the two broad categories “how?” and “why?”. Why plates move remains a fundamental research question and its answer is deeply connected to the Earth’s desire to lose heat, mantle rheology, the inferred current and modeled past patterns of mantle convection and the quest for answers ultimately goes back to the…Find out more »
Current Research in EEPS Seminar: John Grotzinger, Cal Tech Abstract The discovery of prolific hydrocarbon reservoirs formed of small, branching, digitate structures in carbonates of the pre-salt play of the south Atlantic has raised awareness of the potential economic importance of microbial processes in carbonate rock formation. Historically this question has been viewed as largely academic, initially involving studies of Precambrian and early Paleozoic stromatolite and thrombolite facies, complemented by modern analog studies of mostly restricted marine environments. Important questions…Find out more »
Current Research in EEPS Seminar: Brady Foreman, Western Washington University Alluvial Response to the Paleocene-Eocene Thermal Maximum Abstract The Paleocene-Eocene Thermal Maximum (PETM) is one of the most dramatic instances of abrupt global warming in the Cenozoic Era. The event had several environmental and biologic consequences, which include shifts in ocean chemistry, temperature, and biogeographic ranges. The hydrologic cycle also appears to have been affected, and there is strong evidence for increased continental runoff into marginal marine settings at…Find out more »
For outside visitors, the best way to get to our department is to come in on Rice Blvd and turn into entrance 20 (intersection of Rice and Kent St.). At the stop sign, you will see a visitor parking lot. From there, walk east to the department. The google map below shows exactly where our building is.