Download - Environmental Geology
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Environmental GeologyAPES
MS LC
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Objective 16.1Understand some basic geologic principles
including how tectonic plate movements affect conditions for life on the earth
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Key Ideas Layers of the earth Tectonic plates Magma and it’s evil ways Common elements/where they came from
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Layers of the Earth
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Layers of the Earth
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Layers
of
the Earth
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Tectonic plates
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Tectonic platesThree
Types
Of
Plate
Boundaries
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Tectonic plates
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Tectonic plates
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Magma and it’s evil ways
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Common elements/where they came from Even though there are 92 elements that are naturally found,
only eight of them are common in the rocks that make up the Earth’s outer layer, the crust. Together, these 8 elements make up more than 98% of the crust.
The 8 most common elements in Earth’s crust (by mass): 46.6% Oxygen (O)27.7% Silicon (Si)8.1% Aluminum (Al)5.0% Iron (Fe)3.6% Calcium (Ca)2.8% Sodium (Na)2.6% Potassium (K)2.1% Magnesium (Mg)
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Objective 16.2 Explain how the three major rock types are
formed and how the rock cycle works
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Key Ideas Define rock and mineral Types of rocks Rock cycle Weathering and erosion
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Minerals: Naturally occurring, inorganic, solid element or
compound with a definite chemical composition or regular crystal structure
Analogy: batter, chocolate chips, nuts
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Rocks
-solid, cohesive aggregate of one or more minerals
-3 types of rock
Analogy: a chocolate chip cookie with nuts
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Three Types of RocksSedimentary
Igneous
Metamorphic
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How are Rocks Formed? http://sln.fi.edu/fellows/payton/rocks/create/
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The Rock Cycle
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The Rock Cycle
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Weathering
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Physical Weathering
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Chemical WeatheringThe process of chemical weathering tends to increase bulk creating stress within rocks lower the density minerals decreased particle size resulting in increased
surface area creates more mobile materials creates more stable minerals
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Erosion
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Sedimentation
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Sedimentation
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Objective 16.3
Summarize economic mineralogy and strategic minerals
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Key Ideas Primary uses of Metals in the US Strategic minerals and metals
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Major Metals Consumed in the US
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Uses of Minerals http://www.nma.org/publications/
common_minerals.asp
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Metalshttp://www.steelbb.com/steelmaps/
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Strategic minerals and metals http://answers.yahoo.com/question/index?
qid=20090824152811AAqIyS6
http://www.emporia.edu/earthsci/amber/go336/natalie/newindex.htm
http://www.nss.org/settlement/L5news/1983-strategicmetals.htm
http://www.time.com/time/magazine/article/0,9171,952561,00.html
http://www.time.com/time/magazine/article/0,9171,952561,00.html
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Objective 16.4 Discuss the environmental effects of mining
and mineral processing
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Objective 16.6 Recognize the geologic hazards of
earthquakes, volcanoes, and tsunamis