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Terra preta (Portuguese pronunciation: [ˈtɛʁɐ ˈpɾetɐ], literally "black soil" in Portuguese), also known as Amazonian dark earth or Indian black earth, is a type of very dark, fertile anthropogenic soil found in the Amazon Basin.
Chernozem (/ ˈ tʃ ɜːr n ə z ɛ m / CHUR-nə-zem), [a] also called black soil, regur soil or black cotton soil, is a black-colored soil containing a high percentage of humus [3] (4% to 16%) and high percentages of phosphorus and ammonia compounds. [4] Chernozem is very fertile soil and can produce high agricultural yields with its high ...
Black Earth, the archaeology site at Carrier Mills, Illinois, United States, that was discovered before the strip mining; Dark earth, or black earth, a geological and archaeological term; Terramare, or Black Earth, a technology complex of north Italy
The Central Black Earth Region or the Central-Chernozem Region [a] is a segment of the Eurasian Black Earth belt that lies within Central Russia and comprises Voronezh Oblast, Lipetsk Oblast, Belgorod Oblast, Tambov Oblast, Oryol Oblast and Kursk Oblast. Between 1928 and 1934, these regions briefly united as the Central Black Earth Oblast, with ...
Black sand is sand that is black in color. One type of black sand is a heavy, glossy, partly magnetic mixture of usually fine sands containing minerals such as magnetite, found as part of a placer deposit. Another type of black sand, found on beaches near a volcano, consists of tiny fragments of basalt.
On Earth, zircons from hydrothermal systems — which form when water is heated by subsurface volcanic activity like the upward flow of hot magma — have similar patterns to those found in Black ...
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In geology and archaeology, dark earth is a substratum, up to 1 meter (3.1 feet) thick, that indicates settlement over long periods of time. The material is high in organic matter, including charcoal, which gives it its characteristic dark colour; it may also contain fragments of pottery, tile, animal bone and other artefacts.