Climatic conditions most suitable for evaporites to form are:
a) High rainfall and humid like in the tropical countries
b) Hot and dry with very little rain and lots of evaporation (desert)
c) High mountains with very cold winters and moderate summers
d) Deep oceans near the equator
e) Climate like we see in Antarctica today
Ans: b) Hot and dry with very little rain and lots of evaporation (desert)
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By definition, an ore is a mineral rich in valuable metals. To be considered as an ore means that the
A) metals can be economically extracted to yield a profit. B) metals are extremely valuable. C) deposit is very rich and abundant in valuable metals. D) metallic minerals are very abundant.
What occurs below the calcium carbonate compensation depth?
a. Calcium carbonate begins to precipitate into a solid. b. Calcium carbonate begins to dissolve. c. The rate of calcareous sediment accumulation is greater than the rate of dissolution. d. Seawater becomes less acidic. e. Calcareous oozes start to form.
Hurricane storm surges are most destructive during
A) high tide. B) low tide. C) mornings. D) evenings.
Which of the following locations will see the deposition of sylvite and gypsum?
A) Shallow marine environments B) Evaporating sea basins C) Groundwater moving through a rock D) Volcanic ash settling out in a lake