Environmental Science Midterm Answers

Environmental Science Midterm Answers - Midterm Take-up...

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Part A: Defnitions: 1. Widmanstatten pattern 2. Solar Nebula 3. Focus/hypocenter 4. Bioturbation 5. Shield Volcanoes 6. Taconic Mountains 7. Love Waves 8. Rock 9. 1-3 billion years old 10. Pahoehoe Part B: Local Area 1. A) 400-500 million B) Vug: cavity/void space in a rock unit Formation Process: diagenesis/dolomization - substitution o± Ca in Limestone with Mg to produce dolostone. This leads to a reduction in volume creating void spaces (vugs) 2. A) Limestone - warm - Shallow/clear - No sediment input B) Shale - quiet water (deep) - Sediment inputs 3. Any o± the two: corals, crinoids, brachiopods, Cephalopods, Trilobites, Bryozoa, … B) Dolomite/Dolostone, Rochester, Shale, Irondequoit 4. More impermeable ground sur±ace creates more run-o±± = increased peak discharge Part C: Short Answers: 1. - di±±erentiation: lighter elements ʻ ²oated ʼ to the sur±ace to ±orm a crust while the remainder ±ormed the mantle (1 marks) 2. A)
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This note was uploaded on 11/28/2011 for the course ENV SCI 1G03 taught by Professor Padden during the Fall '11 term at McMaster University.

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Environmental Science Midterm Answers - Midterm Take-up...

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