A glassy phase found in some meteorites and impact craters, typically similar in composition to plagioclase feldspar.

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  • Maskelynite — is a glassy phase found in some meteorites and meteorite impact craters. Typical samples are similar in composition to plagioclase feldspar, and revert to that mineral when melted and recrystallized. It was named after British geologist M.H.N.… …   Wikipedia

  • maskelynite — mas·ke·lyn·ite …   English syllables

  • maskelynite — ˈmaskələˌnīt noun ( s) Etymology: German maskelynit, from Nevil Story Maskelyne died 1911 English mineralogist + German it ite : a feldspar found in meteorites …   Useful english dictionary

  • Maskelynit — ist ein diaplektisches Glas mit der Zusammensetzung von Bytownit, aus dem es durch Schockereignisse (Kollisionen, Impakt) erzeugt wird (Impaktmetamorphose). Unter dem Polarisationsmikroskop erscheint Maskelynit wegen seiner amorphen Struktur bei… …   Deutsch Wikipedia

  • Lonar crater — is an impact crater situated in the Buldhana district of the Indian state of Maharashtra. The crater is 1.83 km (6,000 ft) in diameter and 170 metres in depth, and its age is estimated to be 52,000 ± 6,000 years (Pleistocene). It is the second… …   Wikipedia

  • Lonar Lake — Infobox lake lake name = Lonar lake image lake = LonarCrater.jpg|centre caption lake = Lonar crater full rim view with vegetation image bathymetry = caption bathymetry = location = Buldana district, Maharashtra coords =… …   Wikipedia

  • Vargeão Dome — is a meteorite crater in Santa Catarina State, Brazil, straddling the municipalities of Vargeão, Faxinal dos Guedes, and Passos Maia.[1] The crater is an almost perfectly circular depression with steep walls, 12 km in diameter and up to 225… …   Wikipedia

  • Nevil Story Maskelyne — Mervyn Herbert Nevil Story Maskelyne (3 September 1823 – 20 May 1911) was an English geologist and politician. Contents 1 Scientific career 2 Family 3 Political career 4 …   Wikipedia

  • Diaplektisches Glas — bildet sich, wenn die Gitterstruktur eines Kristalls durch extreme Drücke in Form von Schockwellen zerstört wird, ohne dass eine flüssige Phase durchlaufen wird. Derartige Schockwellen können z. B. bei einem sehr großen Meteoriteneinschlag… …   Deutsch Wikipedia

  • Cratere de Lonar — Cratère de Lonar Le cratère de Lonar Le cratère de Lonar est situé à côté de la petite ville éponyme, dans l État de Maharashtra en Inde. Il est le plus grand cratère creusé dans des roches de basalte et est partiellement rempli par un lac d eau… …   Wikipédia en Français

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