Shale rock on nature background.
Shale sedimentary rock formation, Shale is often a red or gray rock made of mostly clay minerals. It is a fine-grained clastic sedimentary rock made of compacted mud consisting of clay and tiny particles of quartz, calcite, mica, pyrite, other minerals, and organic compounds.
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alterationaphaniticargillaceousbackgroundbasaitblackcalciumcalcsilicatecarbonclaycoalcommoncompositiondiopsideenvironmentenvironmentalexistingfelsicfluoritefoliatedfossilfuelgemgemmologygemologygeologicalgeologyglassygneissgranitegreenigneousisolatedmacrometasomaticmineralmineralsmostnaturalnatureorepieceporphyriticproducedrawrhyoliterockrocksroughsandsciencesedimentaryshaleshootingsilicarichsilicatesinglesolidspecimenspinachstonestructuresuchtectonicstexturetuffvolcanicvolcanowhichwhitewollastonite
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