Definition of Picrite. Meaning of Picrite. Synonyms of Picrite

- Picrite basalt or picrobasalt is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. It is dark with yellow-green olivine...
- The tholeiitic magma series (/ˌθoʊleɪˈɪtɪk/) is one of two main magma series in subalkaline igneous rocks, the other being the calc-alkaline series. A...
- Examples of lava compositions (wt%) Component Nephelinite Tholeiitic picrite Tholeiitic basalt Andesite Rhyolite SiO2 39.7 46.4 53.8 60.0 73.2 TiO2 2...
- used; and the famous Towie example from Aberdeenshire may be serpentinised picrite. The highly ornamented examples were mainly made of sandstone or serpentine...
- Ma, placing them in the Cretaceous period. Their composition includes picrite pillows at the base, followed by tholeiitic lavas, then hyaloclastites...
- composition is mafic (rich in magnesium and iron), chiefly basalt and picrite basalt (picrobasalt). Other ****ociated volcanic features include a chain...
- ISBN 978-0-521-38083-6. Wilshire, H.G. (1967) The Prospect Alkaline Diabase-Picrite Intrusion New South Wales, Australia. Journal of Petrology 8(1) pp.97-163...
- of the volcano are greenish in color, due to olivine sand derived from picrite basalt lavas. The Grand Brûlé is formed from solidified lava flows ac****ulated...
- olivine and what is now called teschenite as he identified the former as picrite. Until 1892 the name in use for the rock was tchesenit, which is derived...
- fallback – A volcanic rock with a composition between phonolite and tephrite Picrite – Variety of high-magnesium basalt that is very rich in the mineral olivinePages...