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BASIN ANALYSIS

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  1. BASIN ANALYSIS Virginia T. McLemore New Mexico Bureau of Geology and Mineral Resources New Mexico Institute of Mining and Technology, Socorro, NM

  2. Class notes • Choose an article, read it, and report the important points back to the class • 10 min (NO LONGER) • Purpose of paper • Methods used • Conclusion of paper • Your evaluation • Class schedule (April 3, 8, 17, 24, 29, May 8) • Field trip date

  3. What is basin analysis?

  4. Geologic method Defining and describing a sedimentary basin Analyze the sediment Composition Primary structures Internal architecture Describe basin components Backarc Forearc passive margin Epicontinental Extensional What is basin analysis?

  5. Controls of basins • Sediment supply (uplift of source area) • Subsidence (thrusting, flexing of the lithosphere)—regional tectonic activity • Sea level (climate) • The rates of these processes is more important then their magnitude.

  6. Types of Basins

  7. Rift basins http://web.mala.bc.ca/earle/geol201/basin-types.htm

  8. Passive margin basins http://web.mala.bc.ca/earle/geol201/basin-types.htm

  9. Subduction-related basins http://web.mala.bc.ca/earle/geol201/basin-types.htm

  10. Subduction-related basins http://web.mala.bc.ca/earle/geol201/basin-types.htm

  11. Subduction-related basins http://web.mala.bc.ca/earle/geol201/basin-types.htm

  12. Subduction-related basins http://web.mala.bc.ca/earle/geol201/basin-types.htm

  13. Intracontinental basin

  14. Intracontinental basin

  15. Syn-orogenic and post-orogenic

  16. DEPOSITIONAL ENVIRONMENTS

  17. http://www.eos.ubc.ca/resources/slidesets/clastic/clastic.htmlhttp://www.eos.ubc.ca/resources/slidesets/clastic/clastic.html

  18. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  19. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  20. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  21. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  22. Overbank deposits http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  23. Sandstone deposits http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  24. Sandstone deposits http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  25. Sandstone deposits http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  26. Sandstone deposits http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  27. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  28. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  29. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  30. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  31. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  32. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  33. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  34. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  35. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  36. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  37. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  38. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  39. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  40. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  41. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html

  42. Depositional environments of sandstones http://www.eos.ubc.ca/resources/slidesets/clastic/c.html