
sedimentary
Sandstone
Quartz arenite / Lithic sandstone
AI-generated identification · may be incorrectHardness of 6 to 7 on the Mohs scale, predominantly tan to brown color, dull or earthy luster, clastic texture composed of cemented mineral grains or rock fragments.
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Physical properties
Hardness of 6 to 7 on the Mohs scale, predominantly tan to brown color, dull or earthy luster, clastic texture composed of cemented mineral grains or rock fragments.
Formation & geological history
Formed through the accumulation, compaction, and cementation of mineral particles or rock fragments, typically in desert, river, or beach environments over millions of years.
Uses & applications
Commonly used in construction as building stone, paving material, and in the manufacturing of glass.
Geological facts
Sandstone formations often display distinct parallel layering or cross-bedding reflecting ancient wind or water currents.
Field identification & locations
Identified by its gritty texture and visible sand-sized grains; widely distributed globally in sedimentary basins.
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Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
fossil
Sandstone or Siltstone
Arenite (if sandstone)
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Sandstone
Arenite
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Shale
Shale (clastic sedimentary rock)
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Shale (or Mudstone/Siltstone)
Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
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