Images of Angular Unconformities |
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Angular
unconformity in Rainbow Basin,
Mojave Desert, CA |
Angular
unconformity in Rainbow Basin,
Mojave Desert, CA |
Angular
unconformity at Box Canyon near
Ouray Colorado |
Angular
unconformity at Box Canyon near
Ouray Colorado |
Angular
unconformity at Box Canyon near
Ouray CO |
Angular
Unconformity at Montana del Oro
State Beach, California |
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Angular
unconformity from the South Rim of
Grand Canyon |
Angular
unconformity from the South Rim of
Grand Canyon divides overlying
Paleozoic sediments from underlying
Late Proterozoic sediments |
Angular
unconformity from the South Rim of
Grand Canyon |
Angular
unconformity from the South Rim of
Grand Canyon |
Angular
unconformity and Cambrian island
from the South Rim of Grand Canyon |
Angular
unconformity from the South Rim of
Grand Canyon |
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Angular
Unconformity in Proterozoic rocks
from Angels Window at the North Rim
of Grand Canyon |
Angular
Unconformity in Proterozoic rocks
from Angels Window at the North Rim
of Grand Canyon |
Angular
Unconformity in Proterozoic rocks
from Angels Window at the North Rim
of Grand Canyon |
Angular
Unconformity in Proterozoic rocks
from Angels Window at the North Rim
of Grand Canyon |
Angular
unconformity from the South Rim of
Grand Canyon |
Angular
unconformity from the South Rim of
Grand Canyon |
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An angular
unconformity atop the Barstow
syncline in Rainbow Basin, Mojave
Desert, CA |
An
angular unconformity, syncline, and
fault at Barstow syncline in Rainbow
Basin, Mojave Desert, CA |
Angular
Unconformity at Montana del Oro
State Beach, California |
Angular
Unconformity in Mosaic Canyon, Death
Valley |
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Images of Nonconformities |
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Tilted
nonconformity in the Grand Canyon.
Late Proterozoic sedimentary layers
on top of Early Proterozoic
metamorphic rocks |
Tilted
nonconformity in the Grand Canyon.
Late Proterozoic sedimentary layers
on top of Early Proterozoic
metamorphic rocks |
Nonconformity in Unaweep Canyon,
Colorado. Gentle vegetated slopes
are composed of horizontal Mesozoic
sediments atop cliffs of Proterozoic
metamorphic rocks |
A tilted
nonconformity between Cambrian
sediments and early Proterozoic
metamorphic rocks at Frenchman Mtn,
Las Vegas, NV |
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Nonconformity at Red Canyon in
Colorado National Monument. Rocks
beneath the red cliff are
metamorphic. |
Nonconformity at Red Canyon in
Colorado National Monument. Rocks
beneath the red cliff are
metamorphic. |
Nonconformity at Red Canyon in
Colorado National Monument. Rocks
beneath the red cliff are
metamorphic. |
Nonconformity at Grandview Point in
Colorado National Monument. Mesozoic
sedimentary rocks on top of
Proterozoic metamorphic rocks |
Nonconformity in Black Canyon of the
Gunnison in Colorado. Gentle
vegetated slopes are composed of
horizontal Mesozoic sediments atop
Proterozoic metamorphic rocks |
Nonconformity in Black Canyon of the
Gunnison in Colorado. Gentle
vegetated slopes are composed of
horizontal Mesozoic sediments atop
Proterozoic metamorphic rocks |
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Nonconformity in Blacktail Canyon,
Grand Canyon National Park |
Nonconformity in Blacktail Canyon,
Grand Canyon National Park |
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Images of Disconformities |
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The
horizontal Paleozoic layers at Grand
Canyon reveal numerous
disconformities |
Contrasting
cliffs and slopes, and color changes
often indicate the disconformities
(but not always) |
Horizontal
Paleozoic rocks at Grand Canyon are
missing rocks from Ordovician and
Silurian. Devonian rocks barely
there. |
The
horizontal Paleozoic layers at Grand
Canyon reveal numerous
disconformities |
The
horizontal Paleozoic layers at Grand
Canyon reveal numerous
disconformities |
Disconformity between Hermit
Formation and Coconino Sandstone in
the Grand Canyon |
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