sedimentary
Sandstone or Weathered Conglomerate
Sedimentary Rock (Quartzose Sandstone / Lithic Arenite)
AI-generated identification · may be incorrectHardness varies from 6 to 7 for quartz grains; color is typically yellowish-brown to tan due to iron oxide staining; dull to earthy luster; clastic texture with visible mineral grains and rock fragments; no distinct cleavage.
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Physical properties
Hardness varies from 6 to 7 for quartz grains; color is typically yellowish-brown to tan due to iron oxide staining; dull to earthy luster; clastic texture with visible mineral grains and rock fragments; no distinct cleavage.
Formation & geological history
Formed by the accumulation, compaction, and cementation of mineral particles or rock fragments, often in desert, fluvial, or shallow marine environments over millions of years.
Uses & applications
Used in construction, as building stone, dimension stone, and in the manufacturing of glass and concrete components.
Geological facts
Sandstone often preserves ancient ripples, mud cracks, and fossil footprints, providing valuable clues about past environments on Earth.
Field identification & locations
Commonly found in sedimentary basins worldwide. Identify in the field by its gritty texture and visible sand-sized grains cemented together.
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