词条 | Carbon in Earth's crust |
释义 | Carbon in Earth's crust Table Carbon in Earth's crust form total amount (Pg* C) atmospheric CO (as of 1978) 696 oceanic carbon dioxide, bicarbonate ion, and carbonate ion 34,800 limestones, other carbonate sediments 64,800,000 carbonate in metamorphic rocks 2,640,000 total biomass 594 organic carbon in ocean water 996 organic carbon in soils 2,064 organic carbon in sedimentary rocks 12,000,000 organic carbon in metamorphic rocks 3,480,000 *One Pg (abbreviation for petagram) equals one quadrillion (1015) grams. Entries refer to amounts of carbon. See as table: ![]() |
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