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Glossary of Terms & Definitions
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
SedimentaryOne of the three main rock types. Formed of mechanical, chemical, or organic sediments transported from their source and deposited as sediment in layers on lake or river bottoms, river sandbars, beaches, and oceans. The sediments can be formed of fragments, formed by precipitation or solution, or formed from inorganic remains (shells or skeletons) of organisms.
Also see: SEDIMENTS
Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface. ...
Carbonate Rocks and Associated Landforms - Mojave Preserve ...
In the Mojave National Preserve, carbonate sedimentary rocks of Proterozoic and Paleozoic age (consisting of limestone and dolostone) crop out throughout the ...
Santa Ana Mountains: Southern California Mountains and Valleys ...
This subsection contains mostly Jurassic marine clastic sedimentary, Jurassic volcanic, and Mesozoic granitic rocks. There is some mafic plutonic rock and small ...
The Mojave Desert - Shaping the Classic American Desert
Where several deposits join, they form bajadas, long, sedimentary slopes sprinkled ... Igneous, metamorphic, and sedimentary rocks of the Mojave Desert reveal ...
General Geologic History - Mojave Preserve - California Mojave ...
They consist of metamorphic rocks derived from pre-existing sedimentary, volcanic, and igneous intrusive rocks. Some of these rocks contain high-grade ...
BEDROCK - Mojave Desert - Glossary of Terms and Definitions
Sedimentary rock is seen in the lighter tuffaceous sandstone in which we find bedrock mortars (holes used for grinding and pounding). Outside of Sand Canyon, ...
Mesozoic Rocks - Mojave Preserve
Several ranges within the EMNSA contain volcanic and volcaniclastic rocks, intercalated sedimentary rocks, and related hypabyssal rocks of Triassic and (or) ...
Fossils, Rocks, and Time: Rocks and Layers
Most of the rocks exposed at the surface of Earth are sedimentary--formed from particles of older rocks that have been broken apart by water or wind. The gravel ...
Mojave Valley - Granite Mountains: Mojave Desert Ecological ...
There are areas of Quaternary volcanic, Tertiary nonmarine sedimentary, Pre- Cretaceous metamorphic, Paleozoic marine sedimentary, and Precambrian ...
Funeral Mountains - Greenwater Valley: Mojave Desert Ecological ...
The soils are mostly Lithic Torriorthents and Lithic Camborthids on old sedimentary and metamorphic rocks; Lithic Torriorthents on plutonic rocks; Lithic ...
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