Edeowie glass

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Edeowie glass is a slag-like, opaque rare natural glass found as vesicular or in sheet-like masses in a semi-continuous swath in baked sediment, about 55 km long and 10 km wide along the western side of the Flinders Ranges near Parachilna, South Australia and Lake Torrens. The origin of Edeowie glass has been attributed to either lightning strikes, or meteorite or comet impact by its notable features that can be recognized as caused by pressure only exerted by these impact events. The region in which this glass is found is constricted to the locality. It is typically black but has red-brownish colouration occasionally caused by oxidation. Its origin has been dated to about .67 million years ago to .07 million years ago.[1][2]

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  1. ^ Haines, P.W., R.J.F. Jenkins, and S.P. Kelley, 2001, Pleistocene glass in the Australian desert: The case for an impact origin. Geology. v. 29, no. 10, pp. 899-902.
  2. ^ Macdonald, F.A., K. Mitchell, and S.E. Cina, 2004, Evidence for a Lightning-Strike Origin of the Edeowie Glass. 35th Lunar and Planetary Science Conference, March 15–19, 2004, League City, Texas, abstract no.1406.

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