The intensity of regional metamorphism may be recognized by:
a. index of recrystallization.
b. index fossils.
c. index minerals.
d. index polymorphs.
e. index cards.
C
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The imaginary plane that is perpendicular to the axis of rotation and is halfway between the poles called the ________
Fill in the blank(s) with the appropriate word(s).
Since the Earth has density stratified layers, which layer would be the densest?
a. The outer core b. The mantle c. The inner core d. The crust
Olivine is often found in ultramafic and mafic igneous rocks, but not felsic. Explain why you wouldn't expect to find olivine form inside a granite or rhyolite
What will be an ideal response?
________ are topographic "steps" on both sides of a river valley resulting from river entrenchment into its own floodplain
A) Entrenched meanders B) Oxbow lakes C) Nickpoints D) Levees E) Alluvial terraces