Lecture 1 Fall 2009

Lecture 1 Fall 2009 - HISTORICAL GEOLOGY LECTURE TEST 1 2009 1 An unconformity between granite and a sandstone would be a A.paraconformity

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HISTORICAL GEOLOGY LECTURE TEST # 1 – 2009 1. An unconformity between granite and a sandstone would be a A.paraconformity B.nonconformity C.disconformity D.angular unconformity 2. The fundamental unit of worldwide time-stratigraphic classification is the A.eonothem B.stage C.series D.erathem E.system 3. Sedimentary ? include the size, shape and arrangement of grains. A.texture B.structure C.sedimentary texture and structure include the size, shape and arrangement of grains 4. A ? is the "time unit" equivalent of a system. A.age B.epoch C.era D.eon E.period 5. Most rock-forming minerals are A.oxides B.sulfides C.silicates D.native elements E.sulfates 6. ? are sand-size concentrically-ringed carbonate particles. A.intraclasts B.pellets C.oolites D.micrite E.sparite 7. Which of the following are "organic-walled microfossils"? A.acritarchs B.dinoflagellates C.spores D.pollen E.all of these are "organic-walled microfossils" 8. Well logs and seismic techniques are often used for stratigraphic A.diagenesis B.facies C.correlation D.biostratigraphy E.chronostratigraphy 9. Isotopes of a particular element would have a different number of A.protons B.neutrons C.isotopes of a particular element may have different numbers of protons or neutrons 10. The most abundant mineral group in the Earth's crust is A.quartz B.amphibole C.pyroxene D.carbonates E.feldspar 11. ? sedimentary structures are usually due to groundwater interaction with buried sediments or rocks. A.primary B.secondary C.both primary and secondary structures are usually due to groundwater interaction with buried sediments or rocks 12. ? is a body of sedimentary rocks with distinctive characteristics. A.facies B.primary sedimentary structures C.secondary sedimentary structures D.sedimentary textures E.diagenesis 13. A good index fossil should occur during a ? biostratigraphic interval of time. A.short B.long 14. Ka represents ? of years in the radioisotopic time scale. A.thousands B.millions C.billions 15. ? magmas are characteristic of the oceanic crust. A.mafic B.felsic C.both mafic and felsic magmas are characteristic of the oceanic crust 16. The atomic nucleus has a ? charge. A.positive B.negative C.neutral
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17. Lithology is A.fossil content B.a biostratigraphic unit C.rock type D.geochemical criteria E.a transgressive sequence 18. The Cambrian and Cretaceous are A.stages B.series C.erathems D.systems E.eonothems 19. Soil duricrusts typically form in areas of ? rainfall. A.high B.low 20. ? is magma blown onto the Earth's surface. A.migmatite B.schist C.tephra D.hornfels E.carbonate 21. ? facies are constructed by organisms. A.lacustrine B.fluvial C.deltaic D.reef E.terrigenous shelf 22. ? are desert lakes. A.alluvial fans B.paleosols C.playas D.crevasse splays E.steppes 23. ? are "dry washes". A.alluvial fans B.barchan dunes C.monsoons D.wadis E.playas 24. Ions are A.charged atoms B.atoms with no mass C.ions are charged atoms with no mass 25. ? rocks are the most important rocks for interpreting Earth history.
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This note was uploaded on 01/16/2012 for the course GEOL 106 taught by Professor Dr.phillipmurphy during the Fall '10 term at Tarleton.

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Lecture 1 Fall 2009 - HISTORICAL GEOLOGY LECTURE TEST 1 2009 1 An unconformity between granite and a sandstone would be a A.paraconformity

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