sedimentary
Conglomerate
Clastic Sedimentary Rock
AI-generated identification · may be incorrectHardness varies from 6 to 7 depending on clasts; colors include brown, tan, and grey; dull luster; composed of rounded pebbles cemented in a finer matrix.
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Physical properties
Hardness varies from 6 to 7 depending on clasts; colors include brown, tan, and grey; dull luster; composed of rounded pebbles cemented in a finer matrix.
Formation & geological history
Formed by the consolidation of gravel and rounded rock fragments transported by high-energy water environments like rivers or beaches.
Uses & applications
Used primarily as crushed stone in construction, road building, and occasionally as decorative architectural stone.
Geological facts
Conglomerates often preserve ancient riverbeds and provide key evidence of past high-energy depositional environments on Earth.
Field identification & locations
Easily identified in the field by its distinct 'plum-pudding' texture of visible rounded pebbles embedded in a finer sandy or muddy matrix.
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Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
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Shale
Fissile Sedimentary Rock
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Clastic sedimentary rock
sedimentary