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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
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Elongate sand bodies may be classified as depositional dip sands (alluvial, channel, etc.) or depositional strike sands (bar, barrier, etc.). Bar and barrier sand bodies generally exhibit several characteristic properties. Among these are shape, relations with surrounding strata, mineral content, grain size and sorting, size and sorting trends, and carbonate and heavy-mineral content. These properties define the sand body and permit its identification. Depositional strike
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sandstones are excellent potential reservoirs for hydrocarbons. They were deposited in close proximity to source beds, the marine shales, and in many places their plano-convex geometry makes them "natural" traps.
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