An example of a metamorphic change in which the new rock has a new texture, but the same minerals, is the transformation of __________ to __________.
A) shale, gneiss
B) granite, gneiss
C) limestone, marble
D) all of the above

Question

Quizplus · Accepted Answer

When limestone undergoes metamorphism, it transforms into marble. The minerals in both limestone and marble are predominantly calcite. However, marble has a new texture that is crystalline and often highly polished, which is different from the sedimentary texture of limestone. Shale can transform into gneiss, and granite can also transform into gneiss, but in those cases, there are usually changes in the minerals present in addition to changes in texture.

An Example of a Metamorphic Change in Which the New