What is a metamorphic facies, and how are metamorphic facies named? What will be an ideal response?
A metamorphic facies is a group of metamorphic rocks whose minerals all formed under a particular
range of temperatures and pressures. Each facies is named after its most characteristic rock or mineral
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Which of the following is not a way to prevent groundwater depletion?
a. waste less water b. subsidize water conservation c. limit the number of wells d. do not grow water intensive crops in dry areas e. tax water pumped from wells near surface waters
Describe the coming together of Pangaea. What was the name of what the rest of the planet covered
with besides this supercontinent? What will be an ideal response?
Greenhouse gases were fairly stable through most of human history, but have decreased dramatically in the past 130 years
Indicate whether the statement is true or false
Which of the following statements best characterizes the geology of western North America, starting in California and extending through British Columbia and up into Alaska?
A) Divergent rifting creating deep, wide valleys with grabens B) Collision of a massive subcontinent of old igneous and metamorphic rocks, resulting in fold-and-thrust mountains that are still growing C) Geologically distinct, microcontinent-sized fragments and terraces accreted to the continent D) Metamorphosed accretionary wedges