black shale
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black shale — ▪ rock also called Carboniferous Shale, variety of shale that contains abundant organic matter, pyrite, and sometimes carbonate nodules or layers and, in some locations, concentrations of copper, nickel, uranium, and vanadium. Fossils… … Universalium
Shale gas — may also refer to gas generated from oil shaleShale gas is natural gas produced from shale. Because shales ordinarily have insufficient permeability to allow significant fluid flow to a well bore, most shales are not sources of natural gas. Shale … Wikipedia
Shale — (also called mudstone) is a fine grained sedimentary rock whose original constituents were clay minerals or muds. It is characterized by thin laminae [cite encyclopedia title = shale encyclopedia = Chambers Dictionary of Science and Technology… … Wikipedia
Black Hills — This article is about the region in South Dakota. For other places, see Black Hills (disambiguation). The Black Hills, South Dakot … Wikipedia
Black Moshannon State Park — Geobox Protected Area name = Black Moshannon State Park native name = other name = other name1 = category local = Pennsylvania State Park category iucn = III image size = 300 image caption = View of bog and lake from the bog trail in the Black… … Wikipedia
shale — shalelike, shaley, adj. /shayl/, n. a rock of fissile or laminated structure formed by the consolidation of clay or argillaceous material. [1740 50; orig. uncert.; cf. obs. shale to split (said of stone), to shell, deriv. of shale shell, husk, OE … Universalium
Black Mountain (Australian Capital Territory) — Infobox Mountain Name = Black Mountain Photo = Black mountain, ACT MJC.jpg Caption = Black Mountain and Telstra Tower as seen from across Lake Burley Griffin Elevation = convert|812|m|ft|0 Location = Canberra, Australia Range = Brindabella Ranges … Wikipedia
black chalk — noun : a dark carbonaceous clay, shale, or slate used as a pigment or crayon * * * black chalk noun Bluish black clay slate, used for drawing, and for making black paint • • • Main Entry: ↑black … Useful english dictionary
New Albany Shale — The New Albany Shale is an organic rich geologic formation of Devonian and Mississippian age in the Illinois Basin of the United States. It is a major source of hydrocarbons. Contents 1 Stratigraphy 2 Natural resources 3 See also … Wikipedia
Burgess Shale — Infobox Rockunit name = Burgess Shale caption = Marella , the most abundant Burgess Shale organism. type = Geological formation prilithology = Shale otherlithology = namedfor = Burgess Pass namedby = Charles Doolittle Walcott region = Yoho… … Wikipedia
