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Question: 51 what is the best type of stratigraphic correlation a...

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51. What is the best type of stratigraphic correlation? (a) chronostratigraphic (b) chemostratigraphic (c) lithostratigraphic (d) chromastratigraphic (e) permostratigraphic 52. Exaggeration of geologic diagram scales and in particular vertical exaggeration is used to (a) save paper (b) fit diagrams onto single pages in books and papers (c) hide some irrelevant aspects in data (d) decrease apparent dip angles (e) juxtapose relevant data under consideration so that relationships can be more easily seen 53. What type of mineral is coal? (a) feldspar (b) pyroxene (c) biotite (d) apatite (e) coal is not a mineral Bonus question 54. What is the approximate average increase of temperature at three km depth in the Earths continental crust? (a) 10° C (b) 25° C (c) 50° C (d) 75° C (e) 100° C
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