- major stoping
-
большое обрушение
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany … Wikipedia
Cornubian batholith — Map showing the main granite outcrops of the Cornubian batholith in southwest England and the location of Haig Fras the 20 mGal Bouguer anomaly is also shown as this indicates the location of the negative anomalies associated with these… … Wikipedia
Daly, Reginald Aldworth — ▪ Canadian American geologist born May 19, 1871, Napanee, Ont., Can. died Sept. 19, 1957, Cambridge, Mass., U.S. Canadian American geologist who independently developed the theory of magmatic stoping, whereby molten magma rises through the… … Universalium
zinc processing — Introduction preparation of the ore for use in various products. Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can … Universalium
Granite — For other uses, see Granite (disambiguation). Granite Igneous Rock Granite containing potassium feldspar, plagioclase feldspar, quartz, and biotite and/or amphibole Composi … Wikipedia
Greater Napanee — Napanee Town Greater Napanee Main street … Wikipedia
Uranium mining — The Ranger Uranium Mine in Australia … Wikipedia
Wilts & Dorset — Infobox Bus transit name = Wilts Dorset logo size = 250 image caption = A Volvo B7TL with East Lancs Myllennium Vyking (convertible open top) bodywork in the newest livery company slogan = Serving coast and countryside founded = 1915 headquarters … Wikipedia
cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… … Universalium
Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia