The size, shape, and geometric arrangement of mineral grains in igneous rocks is called _________and it indicates __________.
A) geomorphology, depth of origin for the original magma
B) texture, the environmental conditions in which the rock formed
C) aphanitic form, how much water was present in the melt
D) igneous geometry, the original % of partial melting

Question

Quizplus · Accepted Answer

Texture in igneous rocks refers to the size, shape, and arrangement of mineral grains, which provides insights into the environmental conditions (such as cooling rate and presence of water) under which the rock formed.

The Size, Shape, and Geometric Arrangement of Mineral Grains in Igneous