Calcite is the main mineral constituent of the sedimentary rock limestone and of the metamorphic rock marble.

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

The 1943 eruption of Paricutin in Mexico was characterized by ________.

Which of the following best describes seamounts and islands of the deep ocean basins?

In sedimentary rocks, lithification includes ________.

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

Changes in texture, composition, and other physical properties, after sediments are deposited, are collectively called ________.

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

Which of the following best describes the conditions of contact metamorphism?

Kilauea and Mauna Loa are ________.