- brittle rocks
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• ломкие горные породы• хрупкие горные породы
English-Russian dictionary of geology. 2011.
brittle rocks
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Brittle star — Temporal range: 488.2–0 Ma … Wikipedia
Brittle-ductile transition zone — [ continental crust and changes in dominant deformation mechanisms and fault rocks in a conceptual vertical fault zone. ] The brittle ductile transition zone is the strongest part of the Earth s crust. For quartz and feldspar rich rocks in… … Wikipedia
brittle star — any echinoderm of the class Ophiuroidea, having the body composed of a central, rounded disk from which radiate long, slender, fragile arms. Also, brittlestar. Also called serpent star. [1835 45] * * * ▪ class of echinoderms also called serpent… … Universalium
brittle mica — ▪ mineral any member of the mica group of silicate minerals that has calcium instead of potassium or sodium. The calcium substitution increases the aluminum to silicon ratio that enhances hardness. This causes it to break instead of bend.… … Universalium
Shear (geology) — Study of geological shear is related to the study of structural geology, rock microstructure or rock texture and fault mechanics. Shear is the response of a rock to deformation usually by compressive stress and forms particular textures. Shear… … Wikipedia
Granite — For other uses, see Granite (disambiguation). Granite Igneous Rock Granite containing potassium feldspar, plagioclase feldspar, quartz, and biotite and/or amphibole Composi … 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
Apennine Range — ▪ mountains, Italy Introduction also called the Apennines, Italian Appennino series of mountain ranges bordered by narrow coastlands that form the physical backbone of peninsular Italy. From Cadibona Pass in the northwest, close to the… … Universalium
chatter mark — 1. a mark left by a tool that has been chattering. 2. Geol. any of a series of irregular gouges made on rock surfaces by the slipping of rock fragments held in the lower portion of a glacier. [1885 90] * * * ▪ geology small, curved fracture … Universalium
rock burst — noun : a violent expulsion of rock from the walls of a mine opening caused by heavy pressure on brittle rocks in deep mines where mining has deprived the rock of support on one side compare bump * * * rock burst, a sudden, violent bursting of… … Useful english dictionary
rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… … Universalium
