sedimentary
Sandstone
Clastic sedimentary rock composed mainly of quartz sand
AI-generated identification · may be incorrectHardness of 6 to 7 on the Mohs scale, tan or yellowish color, dull or earthy luster, and a granular texture.
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Physical properties
Hardness of 6 to 7 on the Mohs scale, tan or yellowish color, dull or earthy luster, and a granular texture.
Formation & geological history
Formed through the accumulation, compaction, and cementation of mineral particles or rock fragments, typically in desert, river, or beach environments.
Uses & applications
Widely used in construction as a building material, for paving, and in the manufacturing of glass.
Geological facts
Sandstone often preserves ripple marks and fossil tracks, providing a clear record of ancient environments.
Field identification & locations
Easily identified by its grainy, sandpaper-like texture and visible sand grains; commonly found worldwide.
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Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
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Sandstone or Siltstone
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Shale
Shale (clastic sedimentary rock)
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Shale (or Mudstone/Siltstone)
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