Tachylite from Kīlauea volcano in Hawaii (view is about 9 cm across). Tachylite (/ ˈ t æ k ə l aɪ t / TAK-ə-lyte; also spelled tachylyte) is a form of basaltic volcanic glass.This glass is formed …

Tachylyte, glassy igneous rocks low in silica, such as basalt or diabase. Tachylytes are black with a pitchlike or resinous lustre; in thin sections they are characteristically brown and translucent, …

Tachylite, also spelt tachylyte, is a black or dark brown, opaque basaltic glass. The term may refer to an interstitial glass or a rock composed mostly of such glass. Another definition: A glassy …

2023年12月15日 · Being glassy, tachylyte doesn’t have minerals except for the minute Fe-Ti oxide crystals or magnetite. Besides magnetite, it may have a small amount of other microlites …

2009年9月11日 · tachylyte. tachylyte, glassy igneous rocks low in silica, such as basalt or diabase. Tachylytes are black with a pitchlike or resinous lustre; in thin sections they are …

Tachylyte is a volcanic glass that forms within low-silica, basalt flows while obsidian comes from high-silica, usually rhyolitic, eruptions. Vitrophyric is a textural term used to describe an …

Learn how tachylyte forms, its properties, and why it is significant in the study of volcanic rocks. Discover the definition, origins, and geological importance of tachylyte, a fine-grained volcanic …

Define tachylyte. tachylyte synonyms, tachylyte pronunciation, tachylyte translation, English dictionary definition of tachylyte. also tach·y·lite n. A brown, black, or green volcanic glass …

Tachylite ( TAK-ə-lyte; also spelled tachylyte) is a form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. It is a type of mafic igneous rock that is …

A black basaltic glass often found on the edges of intrusions of basalt.... Click for English pronunciations, examples sentences, video.