sedimentary
Sandstone
Clastic Sedimentary Rock
AI-generated identification · may be incorrectHardness varies from 6 to 7 on the Mohs scale depending on cementation. Typically tan, brown, yellow, or grey with a granular texture and dull luster.
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Physical properties
Hardness varies from 6 to 7 on the Mohs scale depending on cementation. Typically tan, brown, yellow, or grey with a granular texture and dull luster.
Formation & geological history
Formed from the accumulation, compaction, and cementation of mineral particles or rock fragments, primarily quartz, in marine, desert, or river environments.
Uses & applications
Widely used in construction as a building material, dimension stone, paving, and for manufacturing glass.
Geological facts
Sandstone formations can store vast amounts of groundwater and petroleum, acting as major global aquifers and reservoirs.
Field identification & locations
Identified by its visible sand grains and gritty texture; commonly found worldwide in sedimentary basins and arid regions.
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Fossil-bearing concretion, possibly containing a fossil shell or other organic inclusion
Calcareous concretion; exact fossil and host-rock composition are not identifiable from the image
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Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
fossil
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Sandstone
Arenite
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Shale
Shale (clastic sedimentary rock)
sedimentary
Shale (or Mudstone/Siltstone)
Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
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