Editor's Note
The
rocks of the earth’s crust and lithosphere offer a record of earth
processes over time. To the geologist this record offers a window
into these processes that may occur deep in within the earth outside
the limits of direct observation and study. They also allow
scientists to study processes that work over long increments of
geologic time where rates are so slow that direct observation would be
unreasonable. Igneous and metamorphic processes occur both deep
within the earth and commonly over relatively long increments of
time. This makes crystalline rocks, the records of these
relatively high temperature and pressure processes, of great interest
to our study of the geosciences.
Part
I
Igneous Rocks
David Jessey and Don Tarman
California State Polytechnic University, Pamona
Developed as part of California State University and NASA project ALERT
http://geology.csupomona.edu/alert/igneous/ignrxs.htm
Igneous Rocks
David Jessey and Don Tarman
California State Polytechnic University, Pamona
Developed as part of California State University and NASA project ALERT
http://geology.csupomona.edu/alert/igneous/ignrxs.htm
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Part II
Metamorphic
Rocks Tour
Bruce Perry
California State Polytechnic University, Long Beach
http://seis.natsci.csulb.edu/bperry/metarock/HOMEPAGE.htm
Bruce Perry
California State Polytechnic University, Long Beach
http://seis.natsci.csulb.edu/bperry/metarock/HOMEPAGE.htm
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