Meetings: 1:00-1:50 pm, Monday, Wednesday, Friday, BESC 1B81
Instructor: Craig Jones, ESCI 440C, x2-6994, cjones@cires.colorado.edu
Office Hours: TBA
Website: http://www.Colorado.edu/GeolSci/courses/GEOL5690/
The website will have readings assigned and additional readings relevant to class meetings.
Goals: Obtain a grounding in the geologic history of the western United States and an understanding of the techniques that are used in building a tectonic history, including the limitations of these techniques.
Prerequisites: nothing fixed, but a course in structural geology and some college-level physics is highly desirable. We will be assuming some basic physics and chemistry as we describe some of the techniques used in tectonics; a differential equation or two might make a special appearance.
Format: Lectures and discussion, with some student presentations. Readings from the technical literature will accompany lectures. Readings will be placed in a box in the Geology mailroom (towards the left side, marked 5690 readings)
Coursework: Students will complete about 6 homeworks over the duration of the course, and a final exam. No late homeworks will be accepted. The time of the final will be determined. Additionally, students will have to complete a project: a web site on one aspect of the geology of the western U.S. and presentation of the site to the class. The web site should have two levels for users: one an overview of the geology being considered, the second a detailed description of some aspect of how we have come to reach this understanding.
Text: Turcotte and Schuberts 2nd edition of Geodynamics. It is not comprehensive but the best thing out there. Class readings will be placed in a mailbox in the Geology mailroom and posted to the website. Baldridge's Geology of the American Southwest is optional; it is a geologic history of the region without the geodynamics and is a handy reference.
Reserve texts. I will place these books on reserve in the library along with our texts:
Grading: homework will be 40%, participation 10%, project 25%, and final 25%
Special dates:
Course outline. We have 15 weeks total time. There are about 12 main topics we will explore, plus student presentations (which I expect to take about a week of time, depending on enrollment), so expect each of the below to occupy about a week. This list is provisional as suggestions within the class will be considered as we move along. Bold faced techniques to be emphasized. Italicized topics depend on time available.
|
event |
technique(s) |
|
|
Precambrian |
Assembly of western U.S. (Mojavia,Wyoming craton, and Proterozoic belts) |
Nd and Pb terrane analysis, zircon provenance |
|
Precambrian rifting event(s) |
thermal subsidence models and pre-Phanerozoic dating (radiometric, isotopic, paleomagnetic) |
|
|
Paleozoic |
Paleozoic passive margin to Antler/Ancestral Rocky/Ouachita tectonics |
seismic reflection profiling and stratigraphy |
|
late Paleozoic borderland orogenies (Antler, Sonoma orogenies) |
Plate flexure, tectonic analogy, paleogeographic reconstruction |
|
|
Mesozoic |
the accretion of exotic terrains (Wrangellia, Alexander terrane, Baja-British Columbia) |
Zircon provenance, paleomagnetism tectonostratigraphy, geobarometers |
|
development of a fold-and-thrust belt (Sevier orogen) |
physical models of orogenesis (Coulomb wedge), foredeep sedimentation |
|
|
Cenozoic |
Laramide tectonics |
structural geology (paleostress and strain), stratigraphy, lithosphere proxies (xenoliths, volcanic geochemistry), dynamic topography |
|
Sierra Nevada |
Gravity, heat flow and seismic refraction |
|
|
Extensional tectonics (Basin and Range) |
Rock uplift and surface uplift, crustal rheology and flow, body forces in deformation |
|
|
volcanism of the Columbia Plateau and subsequent volcanic migrations |
physical models of volcanism, seismic tomography |
|
|
uplift of the western Cordillera |
paleofloral analysis, isotope analysis, geomorphology |
|
|
transition from convergent to transform plate motions |
plate reconstructions, paleomagnetism, stratigraphy, reflection seismology, physical models |
|
|
examination of hazards and ongoing deformation from the geohistorical perspective |
geodesy, physical models of deformation |
GEOL5690 home | C. H. Jones | CIRES | Dept. of Geological Sciences | Univ. of Colorado at Boulder
Last modified at January 11, 2010 12:30 PM