- hard shale
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крепкий сланец
English-Russian dictionary of geology. 2011.
hard shale
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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
hard-rock mining — /ˈhad rɒk maɪnɪŋ/ (say hahd rok muyning) noun the mining of hard ores such as those which contain gold, nickel, zinc, etc., as opposed to soft rock mining for coal, shale oil, etc …
Oil shale geology — Main article: Oil shale Outcrop of Ordovician kukersite oil shale, northern Estonia. Oil shale geology is a branch of geologic sciences which studies the formation and composition of … Wikipedia
Burgess shale type fauna — A number of assemblages bear fossil assemblages similar in character to that of the Burgess shale. While many are also preserved in a similar fashion to the Burgess shale, the term Burgess shale type fauna covers assemblages based on taxonomic… … 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
Conasauga shale gas field — The Conasauga Shale is a geological gas shale formation lying within the Appalachian thrust and fault region of the state of Alabama and consisting of Lower Paleozoic (Cambrian and Ordovician) sedimentary rocks at an approximate 1,000 foot depth… … Wikipedia
Conasauga shale — Coordinates: 33°41′55.09″N 85°36′14.74″W / 33.6986361°N 85.6040944°W / 33.6986361; 85.6040944 The Conasauga Shale is a Cambri … Wikipedia
Barnett Shale — Infobox Oil field name = Barnett Shale region = Bend Arch Fort Worth Basin,Texas country = United States coordinates = locblock = offonshore = Onshore operators = Devon, Chesapeake, EOG, XTO, Range Resources, EnCana, ConocoPhillips, Quicksilver,… … Wikipedia
Burgess shale type preservation — The Burgess shale of British Columbia is famous for its exceptional preservation of mid Cambrian organisms. Around 40 other sites have been discovered of a similar age, with soft tissues preserved in a similar, though not identical, fashion.These … Wikipedia
Wheeler Shale — The Wheeler Shale is a Cambrian fossil locality containing a range of hard and softVerify source|date=September 2008 bodied organisms, including sponges [Journal of Paleontology; November 1978; v. 52; no. 6; p. 1325 1345 Porifera of the Middle… … Wikipedia
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
