Large boulders scattered in and on the surface of glacial deposits or on glacially scoured bedrock are called _______________ if the rock they consist of differs from the local bedrock
Fill in the blank(s) with correct word
erratics
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Prosimians include _____, _____, _____, and _____. Fill in the blank(s) with the appropriate word(s)
How might hydrothermal ore genesis occur?
A) Hot seawater rushes through porous rocks and crystallizes on contact with the rocks. B) Cold seawater meets hot circulating hydrothermal fluids and precipitation occurs. C) Two rock masses meet at a hydrothermal vent and the heat of the water dissolves ions from both masses. They recrystallize when they are carried to cooler water. D) Hot water from a hydrothermal vent dissolves ions from one rock mass and reprecipitates them as ore in cooler water.
What geologic evidence chronicles the separation of North America and Africa?
Along many low-lying sections of the U.S. Atlantic and Gulf Coasts, a 1 ft rise in sea level may equate to as much as ________ ft of inland movement of the beach.
A. 100 B. 10,000 C. 1,000 D. 10 E. 1