Exam 2: Minerals and Rocks

What adjective describes fragmental materials, such as ash, explosively erupted from volcanoes?

Calcite is an example of a silicate mineral.

Magmas are classified based on silica content.

The process by which loose sand from a beach or desert is converted into a solid rock called sandstone is an example of ____.

Compare and contrast the igneous rocks basalt and granite in terms of texture and composition.

An electron is the smallest unit of matter that retains the characteristics of an element.

A limestone that is metamorphosed becomes marble.

The three categories of rocks are classified by ____.

Which type(s) of rock can be metamorphosed?

In a(n) ____ bond, elements share electrons.

Igneous rocks that form underground are more likely to have an aphanitic texture.

Isotopes of an element have the same ____________________ number and different ____________________ numbers.

You observe a dark colored igneous rock with very fine crystals that are only visible under magnification. What can be said about this rock?

How does the atomic structure of different minerals vary? Give specific examples of various elements and discuss their characteristics.

When an atom becomes positively charged, it is called a(n) ____.

What is the mineral responsible for lustrous paint on cars and glittery cosmetics?

The transportation of sediment away from its source is called ____.

Igneous rocks are classified by composition and texture.

A proton is a positively charged particle in the nucleus of an atom.

Felsic rocks are lighter in color than mafic rocks.