Rocks and Minerals
Mountain Formation
Special Features
100

What type of minerals formed the bedrock of the Great Basin?

Sand, mud, silt, and clay

100

Which way did the basins and ranges form?

North-south

100
How were the Lehman caves formed

Sulfuric acid

200

What rocks were formed due to the metamorphosing of the land?

Quartzite and marble

200

What time period did the rock layers begin metamorphosing?

Mesozoic

200

What was the name of the mountain cirque example?

Wheeler Peak

300

What minerals are plentiful in the Great Basin?

Gold, magnesite, barite, and mercury

300

What time did the glaciers start melting?

10,000 to 1.2 million years ago

300

What kind of desert does the Great Basin have?

A cold desert

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