hornblende schist — Petrog. a variety of schist containing needles of hornblende that lie in parallel planes. [1815 25] * * * hornblende schist, a metamorphic rock consisting essentially of hornblende … Useful english dictionary
hornblende schist — Petrog. a variety of schist containing needles of hornblende that lie in parallel planes. [1815 25] * * * … Universalium
hornblende schist — /ˈhɔnblɛnd ʃɪst/ (say hawnblend shist) noun a variety of schist containing needles of hornblende which lie in parallel planes in the rock …
Hornblende — Horn blende , n. [G., fr. horn horn + blende blende.] (Min.) The common black, or dark green or brown, variety of amphibole. (See {Amphibole}.) It belongs to the aluminous division of the species, and is also characterized by its containing… … The Collaborative International Dictionary of English
Schist — The schists constitute a group of medium grade metamorphic rocks, chiefly notable for the preponderance of lamellar minerals such as micas, chlorite, talc, hornblende, graphite, and others. Quartz often occurs in drawn out grains to such an… … Wikipedia
Hornblende — Amphibole Hornblende General Category Igneous, metamorphic Chemical formula Ca2 … Wikipedia
Schist — (sh[i^]st), n. [Gr. ? divided, divisible, fr. ? to divide: cf. F. schiste. See {Schism}.] (Geol.) Any crystalline rock having a foliated structure (see {Foliation}) and hence admitting of ready division into slabs or slates. The common kinds are… … The Collaborative International Dictionary of English
Hornblende slate — Slate Slate (sl[=a]t), n. [OE. slat, sclat, OF. esclat a shiver, splinter, F. [ e]clat, fr. OF. esclater to shiver, to chip, F. [ e]clater, fr. OHG. sleizen to tear, slit, split, fr. sl[=i]zan to slit, G. schleissen. See {Slit}, v. t., and cf.… … The Collaborative International Dictionary of English
Mica schist — Mica Mi ca, n. [L. mica crumb, grain, particle; cf. F. mica.] (Min.) The name of a group of minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in… … The Collaborative International Dictionary of English
Geology of Lizard, Cornwall — The Geology of The Lizard, Cornwall in the United Kingdom has been the subject of much study. It is a fascinating and unique area geologically as it is a rare example of an exposed ophiolite complex. The rocks found in the area are analogous to… … Wikipedia
