File:KomatiiteA3.jpg

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Photo by user:Rolinator. Taken August 2006. This photo shows typical A3 facies bladed olivine spinifex, Widgiemooltha Komatiite, Widgiemooltha Dome, Western Australia. The sample is from drill core from drillhole WDD18, at approximately 139m downhole. The olivine crystals form sheafs or booklets of plated crystals within glass, which has since been metamorphosed to a chlorite-actinolite-serpentine-magnetite assemblage and sulfidated from magnetite to pyrite. It is rare to see such perfectly preseved spinifex textures within serpentinised ultramafic rocks.

NB: Text on the drill core "UKAH0" is local logging code, U = Ultramafic, K = spinifex textured, A = amphibole, H = chlorite, 0 = undefined. Rolinator 03:34, 21 August 2006 (UTC)
Date 21 August 2006 (original upload date)
Source Transferred from en.wikipedia to Commons.
Author Rolinator at English Wikipedia

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Public domain This work has been released into the public domain by its author, Rolinator at English Wikipedia. This applies worldwide.
In some countries this may not be legally possible; if so:
Rolinator grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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The original description page was here. All following user names refer to en.wikipedia.
  • 2006-08-21 03:34 Rolinator 1024×768× (194520 bytes) Photo by [[user:Rolinator]]. Taken August 2006. This photo shows typical A3 facies bladed olivine spinifex, Widgiemooltha Komatiite, Widgiemooltha Dome, Western Australia. The sample is from drill core from drillhole WDD18, at approximately 139m downhole.

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current13:43, 20 February 2009Thumbnail for version as of 13:43, 20 February 20091,024 × 768 (190 KB)Jo Weber (talk | contribs){{Information |Description={{en|0}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia] |Date=2006-08-21 (original upload date) |Author=Original uploader was Rolinator at [http://en.wikipedia.org en.wikipedia] |Permissio

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