How To Use amphibolite In A Sentence
- Field observations show that the gabbroperidotite section had already cooled to amphibolite - to greenschist-facies conditions when the dykes intruded.
- _ -- 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. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
- `I'm running into mica schist and amphibolite, some traces of decomposed shale. CORMORANT
- The Orlica-Snieznik Dome and the Góry Sowie Block preserve primarily amphibolite-facies gneisses, migmatites, and mica schists, which locally enclose boudins of granulite and eclogite.
- Of far less importance are occurrences in gneisses and amphibolites, in small plutons derived from syenitic and gabbroic magmas, and in certain contact-metamorphic rocks.
- The amphibolite is mostly medium grained, rather schistose and has a characteristic reddish hue on weathered surfaces.
- Along Grand Lake the rock is a compact amphibolite [3] with a strike The Long Labrador Trail
- It contains a variety of lithologies including augen gneiss, quartzite, amphibolite, calc-silicate, pelite and marble.
- It grades into a manganese-rich ilmenite that ultimately replaces the spinel phase near the transition to the garnet amphibolite.
- In highly sheared rocks, relics of amphibolite-facies parageneses are lacking and the mylonite is made up of greenschist-facies mineral assemblages.
