Arizona's Geologic Provinces
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Basin & Range province is characterized by
numerous long, narrow block-fault mountains.
Between these mountain ranges are wide valleys
filled with the sediment eroded from the uplifted
ranges.
numerous long, narrow block-fault mountains.
Between these mountain ranges are wide valleys
filled with the sediment eroded from the uplifted
ranges.
Transition Zone (or Central Mountains) is a
long band of rugged mountains found between
the Colorado Plateau and the Basin & Range.
Some of Arizona's oldest rocks are found in this
zone.
long band of rugged mountains found between
the Colorado Plateau and the Basin & Range.
Some of Arizona's oldest rocks are found in this
zone.
Colorado Plateau is a topographically high area
that is composed of mainly sedimentary rocks that
have undergone little deformation. There are also
numerous volcanic flows to be found.
that is composed of mainly sedimentary rocks that
have undergone little deformation. There are also
numerous volcanic flows to be found.
Update: 3/15/07
Links verified: 3/07
Links verified: 3/07
Adapted from Nations, Geology of Arizona.
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