GEOLOGY BLOG
IMAGE: SAN ANDREAS FAULTTwo plates can slide along each other at such
transform boundaries as the San Andreas fault.
Credit: US Geological Survey
For more information, see page 3 of Geology transparencies here.
IMAGE:
MOUNT
ST.
HELENSLayers of lava, ash, cinders and blocks build up
to form composite volcanoes.
Credit: US Geological Survey
For more information, see page 4 of Geology transparencies here.
IMAGE:
EXPOSED
MANTLE
Long after plates collided, the barren mantle
is still exposed at Newfoundland, Canada.
Credit: Chris Haley, Virginia Wesleyan College, EPOD
For more information, see page 4 of Geology transparencies here.
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