What is foliation?

A) Intergrown mineral crystals formed from cooling magma
B) Randomly oriented mineral crystals placed due to confining pressure
C) Thin, parallel layers of clay sediments that have been compressed
D) Roughly parallel layers of mineral crystals aligned perpendicular to the direction of pressure


Answer: D

Environmental & Atmospheric Sciences

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Secondary recovery techniques are ways to

A. Distill usable fuels from raw petroleum B. Force more oil out of a drying well C. Recover nonfuel materials from an oil well D. Extract new types of fuels from an empty well E. Recover the oil that spills when an oil well gushes

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The principle of ________________ states that an igneous intrusion or a fault must be younger

than the rock it displaces. Fill in the blank(s) with the appropriate word(s).

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Cyanobacteria are blue-green algae. Indicate whether the statement is true or false

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The horizon identified as regolith (weathered bedrock and parent material) is the ________ horizon

A) B B) O C) A D) C E) E

Environmental & Atmospheric Sciences