Intrusive igneous rocks differ from extrusive igneous rocks primarily in their
A) chemical and mineralogical makeup
B) crystal sizes
C) plate tectonic setting
D) degree of heat and pressure involved in magma generation
B
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Which of the following factors favors movement of a rock slide?
A) Layers that are inclined opposite to the slope of the hill B) Solid rock with few preexisting joints or faults C) A massive rock with no bedding or other through-going discontinuities D) A valley or other open space downslope from the rock slide
The best dating method for fine-grained volcanic rocks is potassium 40-argon 40. Indicate whether the statement is true or false
Quartz weathers readily to aluminum-rich clay minerals
Indicate whether the statement is true or false
Explain the process of nuclear fusion, and describe its role in commercial power generation
What will be an ideal response?