Quiz 1 - Quiz 1 The Standard Geologic Time Scale and...

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Unformatted text preview: Quiz 1 The Standard Geologic Time Scale and Relative Time 1. “Geological processes operating at present are the same processes that have operated in the past” is the principle of: a.) correlation b.) catastrophism c.) uniformitarianism d.) none of the preceding 2.) “Within a sequence of undisturbed sedimentary rocks, the layers get younger going from bottom to top” is the principle of: a.) original horizontality b.) superposition c.) crosscutting d.) none of the preceding 3.) If rock A cuts across rock B, then rock A is ______ rock B. a.) younger than b.) the same age as c.) older than 4.) Which is a method of correlation? a.) physical continuity b.) similarity of rock types c.) fossils d.) all of the preceding 5.) Eras are subdivided into a.) periods b.) eons c.) ages d.) epochs 6.) Periods are subdivided into a.) eras b.) epochs c.) ages d.) time zones 7.) Which divisions of geologic time was the longest? a.) Precambrian b.) Paleozoic c.) Mesozoic d.) Cenozoic 8.) Which is useful radioactive decay scheme? a.) U-­‐238 and Pb-­‐206 b.) U-­‐235 and Pb-­‐207 c.) K-­‐40 and Ar-­‐40 d.) Rb-­‐87 and Sr-­‐87 9.) C-­‐14 dating can be used on all of the following except: a.) wood b.) shell c.) the Dead Sea Scrolls d.) granite e.) bone 10.) Concentrations of radon are highest in areas where the bedrock is a.) granite b.) gneiss c.) limestone d.) black shale e.) phosphate-­‐rich rock f.) all of the preceding ...
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