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1 - 10 of 10 results for: GS

GS 55Q: The California Gold Rush: Geologic Background and Environmental Impact

Preference to sophomores. Topics include: geologic processes that led to the concentration of gold in the river gravels and rocks of the Mother Lode region of California; and environmental impact of the Gold Rush due to population increase, mining operations, and high concentrations of arsenic and mercury in sediments from hard rock mining and milling operations. Recommended: introductory geology.
Terms: not given this year, last offered Winter 2017 | Units: 3 | UG Reqs: GER: DB-NatSci, WAY-SMA, Writing 2 | Grading: Letter or Credit/No Credit

GS 182: Field Trip to Cascade Volcanoes of California

Three-day field trip (involving light hiking and camping) to study active and dormant volcanoes of northern California, including Mt. Shasta, Mt. Lassen, and Medicine Lake, and their relationship to regional extensional faulting. Features visited include stratovolcanoes, cinder cones, lava caves, obsidian flows, hot springs and hydrothermal alteration, volcanic blast deposits and mudflows, debris avalanches, fault scarps. Recommended: 1 or equivalent. Limited enrollment; preference to frosh, sophs, and undergraduates and graduates majoring in SE3.
Terms: not given this year, last offered Autumn 2016 | Units: 1 | Grading: Satisfactory/No Credit

GS 214: Topics in Paleobiology

For upper division undergraduates and graduate students. Topics vary each year; focus is on paleontological, sedimentological, and geochemical approaches to the history of life. Topics may include: mass extinction events; evolutionary radiations; the history of global biodiversity; links between evolutionary histories of primary producers and consumers; and the quality of the fossil record. Term paper. May be repeated for credit.
Terms: not given this year, last offered Spring 2016 | Units: 1 | Repeatable for credit | Grading: Satisfactory/No Credit

GS 225A: Fundamentals of Geochemical Modeling

A class devoted to geochemical models and the computational and analytical tools required to successfully construct and solve them. Topics include: box models, impulse responses, transfer functions, eigenvalues, advection-diffusion-reaction models, discretization schemes, numerical methods (Euler, Runge-Kutta, Gauss¿Seidel), Green's function, Laplace and Fourier transforms. The class will include a final project in which students will have the opportunity to apply the above tools to their own research or a problem of their choice.
Terms: not given this year, last offered Spring 2016 | Units: 3 | Grading: Letter or Credit/No Credit

GS 226: At the intersection of geochemistry, sedimentary geology, and paleobiology

Recent work in geochemistry, sedimentary geology, and paleobiology increasingly supports the notion that common geological factors control long-term biogeochemical cycles, the erosion and deposition of sedimentary rocks, and the evolution of the marine biosphere. During this course students will read and discuss recent primary literature addressing the possible mechanisms underlying these patterns. Questions addressed will include: Why do sedimentary rock area and biodiversity covary? How are these records linked to biogeochemical cycles, as inferred from the stable isotope compositions of elements such as carbon and sulfur? What are the relative roles of biotic interactions vs. physical environmental changes in shaping the macroevolutionary history of life?
Terms: not given this year | Units: 3 | Grading: Letter or Credit/No Credit

GS 241: Data Science for Geoscience

Comprehensive overview and taxonomy of data science (statistics, machine learning & computer vision) relevant for geological sciences, as well as other Earth Sciences. Areas covered are: extreme value statistics for predicting rare geological events; compositional data analysis for geochemistry; multivariate analysis for design of geological data & computer experiments; probabilistic aggregation of evidence for potential mapping; functional data analysis for multivariate environmental datasets, dimension reduction methods for analysis & visualization of geological data & models; sensitivity analysis of coupled physical/chemical numerical models; machine learning-based classification & regression for building surrogate computational models; identification & learning of geological objects with computer vision. Focus on practicality rather than theory. Matlab exercises on realistic data problems.
Terms: not given this year, last offered Winter 2016 | Units: 3 | Grading: Credit/No Credit

GS 249: Petroleum Geochemistry in Environmental and Earth Science

How molecular fossils in crude oils, oil spills, refinery products, and human artifacts identify their age, origin, and environment of formation. The origin and habitat of petroleum, technology for its analysis, and parameters for interpretation, including: origins of molecular fossils; function, biosynthesis, and precursors; tectonic history related to the evolution of life, mass extinctions, and molecular fossils; petroleum refinery processes and the kinds of molecular fossils that survive; environmental pollution from natural and anthropogenic sources including how to identify genetic relationships among crude oil or oil spill samples; applications of molecular fossils to archaeology; worldwide petroleum systems through geologic time.
Terms: alternate years, given next year | Units: 3 | Grading: Letter (ABCD/NP)

GS 284: Field Seminar on Eastern Sierran Volcanism

For graduate students in the earth sciences and archaeology. Four-day trip over Memorial Day weekend to study silicic and mafic volcanism in the eastern Sierra Nevada: basaltic lavas and cinder cones erupted along normal faults bounding Owens Valley, Long Valley caldera, postcaldera rhyolite lavas, hydrothermal alteration and hot springs, Holocene rhyolite lavas of the Inyo and Mono craters, subaqueous basaltic and silicic eruptions of Mono Basin, floating pumice blocks. If snow-level permits, silicic volcanism associated with the Bodie gold district. Recommended: 1 or equivalent.
Terms: not given this year | Units: 1 | Grading: Satisfactory/No Credit

GS 285: Igneous Petrogenesis of the Continents

Radiogenic isotopes, stable isotopes, and trace elements applied to igneous processes; interaction of magmas with mantle and crust; convergent-margin magmatism; magmatism in extensional terrains; origins of rhyolites; residence times of magmas and magma chamber processes; granites as imperfect mirrors of their source regions; trace element modeling of igneous processes; trace element discriminant diagrams in tectonic analysis; phase equilibria of partial melting of mantle and crust; geothermometry and geobarometry. Topics emphasize student interest. Prerequisite: 180 or equivalent.
Terms: not given this year | Units: 2-4 | Grading: Letter or Credit/No Credit

GS 381: Igneous Petrology and Petrogenesis Seminar

Topics vary by quarter. May be repeated for credit.
Terms: not given this year, last offered Autumn 2016 | Units: 1-2 | Repeatable for credit | Grading: Satisfactory/No Credit
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