- ironstone shale
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железосодержащий глинистый сланец
English-Russian dictionary of geology. 2011.
ironstone shale
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shale — A mineral. Anno: 17 ALR 167, s. 86 ALR 990. Rock formed by the consolidation of clay, mud, or silt, having a finely stratified or laminated structure. It presents almost endless varieties of texture and composition, passing, on the one hand, into … Ballentine's law dictionary
Spirit River Formation — Stratigraphic range: middle Albian … Wikipedia
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
Fort St. John Group — Stratigraphic range: Lower Cretaceous … Wikipedia
Mazon Creek fossil beds — U.S. National Register of Historic Places U.S. National Historic Landmark … Wikipedia
Mazon Creek fossils — The Mazon Creek fossils are conservation lagerstätten found near Morris, in Grundy County, Illinois. The fossils are found in ironstone concretions, formed approximately 300 mya in the mid Pennsylvanian Epoch of the Carboniferous Period. These… … Wikipedia
Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… … Universalium
Smoky Group — Stratigraphic range: Late Cretaceous … Wikipedia
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
Banded iron formation — Banded iron formations (also known as banded ironstone formations or BIFs) are a distinctive type of rock often found in primordial (Precambrian) sedimentary rocks. The structures consist of repeated thin layers of iron oxides, either magnetite… … Wikipedia
Montana Breweries — Contents 1 Legal 2 History 3 Breweries 3.1 List of Montana Beers and Breweries 3.2 … Wikipedia
