Definition of Tephrites. Meaning of Tephrites. Synonyms of Tephrites

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

Definition of Tephrites

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

Meaning of Tephrites from wikipedia

- Tephrite is an igneous, volcanic (extrusive) rock, with aphanitic to porphyritic texture. Mineral content is usually abundant feldspathoids (leucite or...
- Thephritis Wiedemann, 1828 (Missp.) Tephrytis Robineau-Desvoidy, 1830 (Missp.) Tephrites Gray, 1832 (Missp.) Trephritis Griffith & Pidgeon, 1832 (Missp.) Tephritus...
- 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...
- places basanite in the basanite/tephrite field of the QAPF diagram. Basanite is further distinguished from tephrite by having a normative olivine content...
- contain abundant essential plagioclase feldspar are known as leucite tephrites and leucite basanites. The former consist mainly of plagioclase, leucite...
- 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...
- and tephrites but less than basaltic andesite. Basalt has a lower total content of alkali oxides than trachybasalt and most basanites and tephrites. Basalt...
- silica content can range from ultramafic (nephelinites, basanites and tephrites) to felsic (trachytes). They are more likely to be generated at greater...