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Coal is a sedimentary rock, a mineral, the most valuable type of fuel ...

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Sedimentary Rocks Bituminous Coal: 1 kg - Se…
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Sedimentary Rocks | Pictures, Characteristics, Textures, Types
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Coal Sedimentary Rock

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Coal Sedimentary rock Bituminous coal, the …
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9.3 Organic Sedimentary Rocks – Physical Geology, First University of ...

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Rocks 2.4
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Sedimentary Rocks | Earth Science

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