Common Rock Types of BC - web.mala.bc.ca
Common Rock Types of BC - web.mala.bc.ca
Common Rock Types of BC - web.mala.bc.ca
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<strong>Rock</strong>s <strong>Common</strong> to <strong>BC</strong><br />
Soil Science<br />
FRST 152
<strong>Rock</strong> Cycle
Igneous Intrusives/Extrusives
Igneous Extrusive <strong>Rock</strong>s & Plates
Igneous Extrusive
Igneous Intrusives
Bowen’s Reaction Series
Igneous <strong>Rock</strong>s
Igneous Intrusive <strong>Rock</strong>s<br />
After they are formed,<br />
they <strong>ca</strong>n become exposed<br />
to the surface <strong>of</strong> the earth<br />
through…<br />
• Crustal uplift<br />
• Plate Tectonics and<br />
• surface erosion
Big Time Batholiths…<br />
Batholiths <strong>ca</strong>n be quite<br />
large and cover great<br />
areas.<br />
However, as they become<br />
exposed through<br />
weathering <strong>of</strong> overlying<br />
rocks, the surface<br />
becomes “unstable” and<br />
weathers to other more<br />
stable materials
Igneous Extrusive
What Happens to Igneous <strong>Rock</strong>s?
Weatherability
Products <strong>of</strong> Weathered <strong>Rock</strong>s
Weathering & Sedimentary <strong>Rock</strong>s
More on<br />
Sediments &<br />
<strong>Rock</strong>s
What they Look Like
<strong>Types</strong> <strong>of</strong> Sedimentary <strong>Rock</strong>s
Metamorphic <strong>Rock</strong>s<br />
Metamorphic <strong>Rock</strong>s are formed when rocks (any type)<br />
comes in contact with a “heat” source that could be<br />
generated by pressure or magma. The original rock is<br />
partially or<br />
extensively melted –<br />
the original material<br />
is <strong>of</strong>ten rearranged<br />
to produce a different<br />
Product.
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