Tachylite (/ˈtækəlaɪt/ TAK-ə-lyte; also spelled tachylyte) is a form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of...

further illustrated by the two forms of basaltic glass, tachylite and sideromelane. Tachylite is opaque to transmitted light because of the abundance...

Tachylite is an unusual and relatively rare stone used in making flaked stone tools, and which is found in Aboriginal archaeological sites in Victoria...

often exhibit fine-grained to aphanitic chilled margins which may contain tachylite (dark mafic glass). Diabase is the preferred name in North America, while...

palagonite tuff, for which it is characteristic. It is a less common form of tachylite, with which it usually occurs together; however it lacks the iron oxide...

kalsititic rocks Taconite – Variety of iron-bearing sedimentary rock Tachylite – Form of basaltic volcanic glass Teschenite – Type of igneous rock –...

lacking the iron oxide crystals dispersed in the more commonly occurring tachylite. Fragments of these glasses are usually surrounded by a yellow waxy layer...

volcanic ash Hyaloclastite – Volcaniclastic accumulation or breccia and tachylite – volcanic glasses with basaltic composition Knapping – Shaping of conchoidal...

phenocrysts had started to form prior to eruption. Obsidian Poikilitic texture Tachylite Best, Myron G. (2002). Igneous and Metamorphic Petrology. Blackwell Publishing...

within aphanitic, mafic igneous rocks, such as basalt, komatiite, and tachylite, that comprise either pillow lavas, subaerial lava flows, or volcanic...

because of their rich hunting grounds but because from their area came tachylite, a hard glassy volcanic stone valued for weapons and tools Early Europeans...

variety of pyroclasts from irregular sideromelane droplets to blocky tachylite (black to dark brown microcrystalline pyroclasts). In contrast, most high-silica...

precursor of the modern Snake River. Particles of volcanic glass called tachylite were created as the water turned to steam and explosively fragmented the...

of central and northern Europe: he wrote on gypsum, pyrites, felspar, tachylite, cordierite and on some eruptive rocks, and devoted much attention to...

allowed goods and information to flow over substantial distances. The Tachylite deposits near Spring Hill and the Coliban River may have been important...

Philosophical Society, Vol. 4 (1912), pp.172-174 (with R. C. Burton) 'The tachylite of the Cleveland dyke'. Geological Magazine of London, dec. 5, Vol. 9...

protolith, saprolitized peridotite, green saprolite (main ore horizon), tachylite (a Fe oxide horizon), black saprolite, yellow and red laterite. The sequence...

tribal areas including Dja Dja Wurrung, Taungurong, and Woiwurrung. The Tachylite deposits near Spring Hill and the Coliban River may have been important...

along with the blocky, equant shapes and density of sideromelane and tachylite clastic rock in the field suggest that Sand Mountain Field lava interacted...

and Triassic material, which was eroded by lavas, with the presence of tachylite pyroclasts that imply rapid cooling by interaction with water. The Mawson...