Exam 2: Minerals and Rocks

Elongated minerals aligned in a parallel manner in metamorphic rocks create a foliated texture.

Matter is anything that has mass and occupies space.

Discuss the relationship between plate tectonics and the rock cycle. Provide examples of where various types of rocks might be found in terms of plate tectonics.

Provide a detailed description and discussion of the Rock Cycle. Provide specific examples of each of the three rock families.

A strong chemical bond in which electrons are shared rather than transferred or exchanged is a(n) ____. (HINT: An example is the bond in quartz.)

Compare and contrast magma and lava. Why do scientists consider these materials separately?

The two textural types of metamorphic rocks are ____________________ and __________________.

You are hiking in the desert in Namaqualand in South Africa and notice an area covered with white sedimentary deposits. You taste the deposits and they taste salty. This is most likely an example of a(n) ____.

Gemstones are precious minerals used for decorative purposes.

The ____________________ is the record of physical and biological events preserved in rocks.

A(n) ____________________ forms when two or more elements bond.

Sedimentary rocks that are composed of rounded gravel-sized particles are classified as conglomerates.

Compare and contrast detrital and chemical sedimentary rocks. Provide specific examples of each group.

The five major steps in the formation of sedimentary rock are deposition, erosion, lithification, burial and compaction, and weathering. List each step in order from first to last, and explain what happens during each step.

Evaporites are examples of chemical sedimentary rocks.

All silicate minerals have the ____________________ in common.

What type of mineral is neither an energy resource nor a metallic resource, but still has commercial value?

The chemical composition of a mineral never has any variation.

A volcanic rock with a glassy texture commonly has experienced ____________________ cooling.

For a neutrally-charged atom to become a positively-charged ion of the same element, it must ____.