Definition of Tephrite. Meaning of Tephrite. Synonyms of Tephrite

Here you will find one or more explanations in English for the word Tephrite. Also in the bottom left of the page several parts of wikipedia pages related to the word Tephrite and, of course, Tephrite synonyms and on the right images related to the word Tephrite.

Definition of Tephrite

Tephrite
Tephrite Teph"rite, n. [Gr. ? ashes.] (Geol.) An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both.

Meaning of Tephrite from wikipedia

- Tephrite is an igneous, volcanic (extrusive) rock, with aphanitic to porphyritic texture. Mineral content is usually abundant feldspathoids (leucite or...
- places basanite in the basanite/tephrite field of the QAPF diagram. Basanite is further distinguished from tephrite by having a normative olivine content...
- Phonotephrite or phono-tephrite is a strongly alkaline volcanic rock with a composition between phonolite and tephrite. This unusual igneous rock contains...
- phonolite and tephritePages displaying wikidata descriptions as a fallback – A volcanic rock with a composition between phonolite and tephrite Picrite – Variety...
- foidal basalt with essential calic plagioclase and essential olivine. Tephrite is foidal basalt with essential calic plagioclase but without essential...
- (1853–1916). At Vesuvius it occurs as alterations from gypsum within leucite tephrite and as fumarole deposits. It occurs in dry lake beds in California and...
- its chemical composition. For example, basanite is distinguished from tephrite by having a high normative olivine content. Other refinements to the basic...
- as extinct. The volcanic rocks range from ankaramitic basanite through tephrite to phonolite and some have ultra-pot****ic compositions, which is unusual...
- Gusev plains rocks lie near the junction of basalt, picrobasalt, and tephrite. The Irvine-Barager classification calls them basalts. Adirondack has been...
- researches. They succeeded in producing such rocks as porphyrite, leucite-tephrite, basalt and dolerite, and obtained also various structural modifications...