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Related articles:
Oil shale
Shale gas
Siltstone
Metamorphic rock
Barnett Shale
Mudstone
Rock (geology)
Clay minerals
Quartz
Illite
Schist
Fissility (geology)
Slate
Phyllite
Sedimentary rock
Stratum
Burgess Shale
Concretion
Key terms: shale rock minerals black clay black shales deposited water particles geology clay minerals less quartz silt sedimentary rock contain iron color less than pp amounts bedding percent composition variable carbon along parallel than one especially similar typically Search external links cited by footnotes on Wikipedia page Shale: |
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