If someone were to put a rock on the table in front of you,how might you determine that it was a metamorphic rock?
A) by looking for one specific mineral that is formed during metamorphism
B) by examining its specific gravity
C) by examining it for minerals typically found in other rock types, such as quartz
D) by looking for distinctive arrangements of mineral grains not found in other rock types

Question

Quizplus · Accepted Answer

Distinctive arrangements of mineral grains not found in other rock types are a common characteristic of metamorphic rocks. This is because they are formed from pre-existing rocks that have been altered by heat, pressure, or both. This process causes minerals in the rock to recrystallize and form new arrangements that are often distinct from the original rock. Therefore, by looking for these unique arrangements of mineral grains, one could determine that the rock on the table is metamorphic.

If Someone Were to Put a Rock on the Table