Aphanites (adj. aphanitic; from Ancient Greek αφανης (aphanḗs) 'invisible') are igneous rocks that are so fine-grained that their component mineral crystals are not visible to the naked eye [2] (in …

Sep 6, 2022 · Aphanitic texture describes igneous rocks with small or fine mineral crystals you cannot see or distinguish by the naked eye or a hand lens. Such rocks are fine-grained and …

The meaning of APHANITE is a dark rock of such close texture that its separate grains are invisible to the naked eye.

Aphanitic (a = not, phaner = visible) rocks, in contrast to phaneritic rocks, typically form from lava which crystallize rapidly on or near Earth's surface. When extrusive rocks make contact with …

Aphanites (adj. aphanitic; from Ancient Greek αφανης (aphanḗs) 'invisible') are igneous rocks that are so fine-grained that their component mineral crystals are not visible to the naked eye (in …

fine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye

Aphanite is a type of volcanic rock characterized by its fine-grained texture and glassy surface. The rock is so fine-grained that most of its mineral constituents are not visible to the naked …

Any fine-grained igneous rock whose components are not distinguishable with the unaided eye; a rock having aphanitic texture.

Aphanites (adj. aphanitic; from Ancient Greek αφανης (aphanḗs) 'invisible') are igneous rocks that are so fine-grained that their component mineral crystals are not visible to the naked eye (in …

Any fine-grained igneous rock whose components are not distinguishable with the unaided eye; a rock having aphanitic texture. Synonym of: cryptomere, felsite, felsitoid Compare with: …