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Decompression melting occurs because of ________.

Foliated metamorphic rocks are composed largely of equidimensional grains of minerals such as quartz and calcite.

Which sedimentary structure indicates the depositional environment involved the drying out of fine grained sediments?

The average composition of rocks comprising a large composite cone or stratovolcano is similar to a(n) ________ magma.

Hornblende and the other amphiboles have what type of silicate structure?

The (geologically) recent volcanic activity in Yellowstone National Park is ________.

Nonmetallic minerals resources are commonly divided into two categories: building materials and ________.

The average composition of rocks comprising a large composite cone or stratovolcano is similar to a(n) ________ magma.

A coarse rock composed of poorly cemented shells and shell fragments is called ________.

Erosional retreat of a(n) ________ leads to enlargement and extension of a wave-cut platform in the inland direction.