What is a mineral assemblage?

1 Answer
Nov 29, 2017

The minerals in a particular rock

Explanation:

A mineral assemblage refers to what minerals are in a particular rock that you're looking at.

For example,

A typical granite has a mineral assemblage of: Quartz + Feldspar + biotite mica +/- minor accessory minerals

A typical basalt has a mineral assemblage of: Olivine + plagioclase + pyroxene +/- minor accessory minerals