Transcript Nevada Resources Notes

Nevada
Geology in our State
Minerals in Nevada
• We mine for:
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Gold
Silver
Copper
Gypsum
Lime
Diatomite
Limestone
Perlite
Magnesite
Lithium
Silica
Oil
Geology of Nevada
• In this state we have several different
types of rocks
• Nevada is
tectonically active
Great Basin
• Formed from:
Stretching of
Earth’s crust.
• System of
mountains that run
north /south and
valleys. Water
drains into this
area.
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http://www.nps.gov/grba/naturescience/index.htm
http://www2.nature.nps.gov/geology/parks/grba/
Snake Range
• Formed from
deposits left by a
shallow sea
• Later the
mountain was
shaped by
glaciers
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http://www.nps.gov/archive/grba/parkgeology.htm
Lake Tahoe
• Formed from
falling of
fault blocks
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http://ceres.ca.gov/tcsf/tahoe-local/geology.html
http://www.tahoevacationguide.com/laketahoe.html
Sierra Nevada Mountains
• The area was
originally covered by
a shallow sea.
• Due to a convergent
plate boundary a
magma pool formed
and hardened into
granite which was
uplifted by faults.
Later the mountains
had a series of
volcanic events.
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http://en.wikipedia.org/wiki/Sierra_Nevada_(US)
http://geology.wr.usgs.gov/parks/province/pacifmt.html
Spring Mountain Range
• Formed from the Keystone Thrust
Fault
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http://meganedwards.com/Vegasland/Spring-Mountain-State-Park.htm
Red Rock Canyon
• Was once a shallow sea.
• Area was a desert with sand dunes
that petrified and oxidized.
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http://www.sunsetcities.com/redrockgeology.html
http://en.wikipedia.org/wiki/Red_Rock_Canyon_National_Conservation_Area
Valley of Fire
• Formed from sand dunes and
wind erosion (Abrasion)
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http://www.sunsetcities.com/valleyoffire.html
http://www.desertusa.com/nvval/du_nvval_desc.html
Hoover Dam
• Dam made to
supply
hydroelectric
power. (Renewable
resource)
• Hoover dam is on
the Colorado river.
• It formed the man
made Lake Mead