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Concept
Earth's Crust Composition
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Summary
The
Earth's Crust
is the
Outermost solid layer
of our planet, primarily
Composed of oxygen
, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium. It varies in
Thickness and composition
between the
Continental Crust
, which is
Thicker and less dense
, and the
Oceanic Crust
, which is
Thinner and denser
.
Concepts
Continental Crust
Oceanic Crust
Silicate Minerals
Plate Tectonics
Lithosphere
Crustal Differentiation
Geochemical Cycles
Mineralogy
Tectonic Plates
Igneous Rocks
Silicon-oxygen Bond
Thortveitite
Extrusive Igneous Rocks
Relevant Degrees
Geochemistry 60%
Geophysics 20%
Applied Geology 10%
Physiography 10%
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