Multiple Choice
In some instances a single mineral, a ____, suffices for determination of the pressure and temperature under which a metamorphic rock formed.
A) metamorphic index mineral
B) metamorphic key mineral
C) metamorphic trace mineral
D) metamorphic mica mineral
E) metamorphic pressure-temperature mineral
Correct Answer:

Verified
Correct Answer:
Verified
Q44: A migmatite forms when a rock partially
Q45: Meteor craters show an unusual type of
Q46: _ metamorphism takes place at considerable depth
Q47: Schist forms at higher temperatures and pressure
Q48: When hot solutions emerge from the ocean
Q50: When hot metal-rich solutions contact cold seawater
Q51: Metamorphic rocks are prevalent _.<br>A) in continental
Q52: Gneissic texture has the minerals separated into
Q53: Andalusite, kyanite, and sillimanite are among the
Q54: Lines connecting points of equal temperature on