Definition of Aphanitic. Meaning of Aphanitic. Synonyms of Aphanitic

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

Definition of Aphanitic

Aphanitic
Aphanitic Aph`a*nit"ic, a. (Min.) Resembling aphanite; having a very fine-grained structure.

Meaning of Aphanitic from wikipedia

- Aphanite, or aphanitic as an adjective (from the Gr**** αφανης, "invisible"), is a name given to certain igneous rocks that are so fine-grained that their...
- six main types of textures; phaneritic, aphanitic, porphyritic, gl****y, pyroclastic and pegmatitic. Aphanitic (a = not, phaner = visible) rocks, in contrast...
- Felsite is a petrologic field term used to refer to very fine-grained or aphanitic, light-colored volcanic rocks which might be later recl****ified after...
- crystals too small to be seen are called aphanitic. Generally speaking, phaneritic implies an intrusive origin; aphanitic an extrusive one. An igneous rock with...
- silica-rich of volcanic rocks. It is generally gl****y or fine-grained (aphanitic) in texture, but may be porphyritic, containing larger mineral crystals...
- typically shallow intrusive bodies and often exhibit fine grained to aphanitic chilled margins which may contain tachylite (dark mafic gl****). Diabase...
- high in silica and low in alkali metal oxides. It has a fine-grained (aphanitic) to porphyritic texture and is intermediate in composition between andesite...
- the intermediate type between basalt and rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predominantly of sodium-rich...
- bomb Lapilli Volcanic ash Volcanic rocks are usually fine-grained or aphanitic to gl**** in texture. They often contain clasts of other rocks and phenocrysts...
- gabbro Medium grained Diabase or dolerite, microgabbro Fine grained (aphanitic) Basalt Fine grained and porphyritic Porphyritic basalt Pyroclastic Basalt...
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