American Heritage® Dictionary of the English Language, Fourth Edition
- n. A metamorphic rock composed chiefly of amphibole with minor plagioclase and little quartz.
Century Dictionary and Cyclopedia
- n. A rock belonging to the class of the crystalline schists, and consisting largely of green hornblende, together with quartz or feldspar, or both. It is always more or less distinctly in beds like gneiss.
GNU Webster's 1913
- n. a metamorphic rock composed chiefly of amphibole and plagioclase.
- n. a metamorphic rock composed chiefly of amphibole and plagioclase
“The rugged, steeply sloping mountains are composed of Precambrian amphibolite and gneiss.”
“The amphibolite, a metamorphosed black volcanic rock, formed from lavas that spilled on the floor of a shallow sea, mixing with layers of mud, sand, and volcanic ash.”
“The summits of Grünhorn and Finsteraarhorn are composed of green amphibolite, a very hard rock.”
“The surroundings are low heavily glaciated PreCambrian gneiss and amphibolite rocks extending some 50 km inland to the ice cap with flanking lateral moraines and ice-dammed lakes; also lakelets, glacial striations, roches moutonées, and perched erratics typical of glaciated landscapes.”
“Gneiss and schists containing relatively uniform micas, with important amphibolite inclusions, are the dominant metamorphic rocks.”
“To further muddy the waters introduce the idea of gas fugacity – given constant P and T, greenschist assemblages can be amphibolite simply by increasing O2 fugacity.”
“The best specimens are afforded by the beautifully developed transparent glassy crystals, found with albite, prehnite and quartz, in a zone of amphibolite and chlorite-schists at Le Bourg d'Oisans in Dauphiné.”
“_ -- The whole formation is Archean and Primary (with a few modern plutonic outbursts), and chiefly consists of granite, felspar, quartz, gneiss, schists, amphibolite and other Archean rocks, with Primary sandstones and limestones in the basin of Lake Nyasa (a great rift depression), the river Shiré, and the regions within the northern watershed of the Zambezi river.”
“These porphyries are pierced by greenstone two or three feet thick, and the granites are intersected by numerous veins of amphibolite”
“Along Grand Lake the rock is a compact amphibolite  with a strike”
These user-created lists contain the word ‘amphibolite’.
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Looking for tweets for amphibolite.