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Sapropelic coal | Organic-rich, Carboniferous, Anthracite www.britannica.com › Technology › Industry
Sapropelic coals occur in nearly every major coalfield. They usually occur at the top of a coal seam, but they can also be found as individual seams. A seam of ... |
Sapropelic coals are non-banded coals. They are relatively uncommon, and tend to occur as single bands in parts of humic coals, rather than as whole seams. |
A group of coals, including the cannel and torbanite types, which are largely composed of the indurated jellylike slime derived from macerated organic debris. |
Sapropelic coals are subdivided into cannel-coal and boghead-coal based on type of organic matter and other physical properties. British Geological Survey ... |
15 февр. 2023 г. · Sapropelic coal is formed under anaerobic, putrefying conditions, resulting in hydrogen-rich coal and it normally does not pass through a peat ... |
Sapropel coals are produced from transported organic material, algal materials, plant spores, and fragmented plant debris. Coals are common in the sedimentary ... |
19 мая 2023 г. · A series of rocks developed from sapropel and with a high hydrogen content. |
Sediment rich in sapropel (coorongite) - A type of sediment rich in organic matter. Sapropel is the unlithified end-member of the sapropelic coal series. |
9 окт. 2018 г. · Formed from the biological and physical degradation products of coal and peat forming environments, with the addition of plant spores and ... |
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