What does pseudotachylite mean?
Definitions for pseudotachylite
pseu·do·tachylite
This dictionary definitions page includes all the possible meanings, example usage and translations of the word pseudotachylite.
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Wiktionary
pseudotachylitenoun
A dark, glassy rock generated by frictional heat within faults
Wikipedia
pseudotachylite
Pseudotachylyte (sometimes written as pseudotachylite) is an extremely fine-grained to glassy, dark, cohesive rock occurring as veins that form through frictional melting and subsequent quenching during earthquakes, large-scale landslides, and impacts events. Chemical composition of pseudotachylyte generally reflects the local bulk chemistry, though may skew to slightly more mafic compositions due to the preferential incorporation of hydrous and ferro-magnesian minerals (mica and amphibole, respectively) into the melt phase.Pseudotachylyte was first documented by Shand in the Vredefort Impact Structure and was named due to its close resemblance to tachylyte, a basaltic glass. Though pseudotachylyte is reported to have a glassy appearance, they are extremely susceptible to alteration and are thus rarely found to be entirely composed of glass. Typically, they are completely devitrified into a very fine-grained material with quench textures such as chilled margins, radial and concentric clusters of microcrystalites (spherulites) or as radial overgrowths of microcrystalites on clasts, as well as skeletal and spinifex microcrystalites.
Wikidata
Pseudotachylite
Pseudotachylite or Pseudotachylyte is a cohesive glassy or very fine-grained fault rock that is composed of an extremely fine-grained or glassy matrix that often contains inclusions of wall-rock fragments. Pseudotachylite characteristically occur in veins; is dark in color; and is glassy in appearance. It often has the appearance of the basaltic glass, tachylyte. Typically, the glass has been completely devitrified into very fine-grained material with radial and concentric clusters of crystals. It occasionally contains crystals with quench textures that began to crystallize from the melt.
Numerology
Chaldean Numerology
The numerical value of pseudotachylite in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of pseudotachylite in Pythagorean Numerology is: 3
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"pseudotachylite." Definitions.net. STANDS4 LLC, 2024. Web. 26 Apr. 2024. <https://www.definitions.net/definition/pseudotachylite>.
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