Geology & Science of Opal

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Weathered-profile-hosted precious Opal deposits Weathered-profile-hosted precious Opal deposits

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Date added: 11/11/2009
Date modified: 11/12/2009
Filesize: 1.26 MB
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By Brian Senior published in the AGSO Journal Of Australian Geology & Geophysics, 1998.

Unearth the Potch Opal from Lightning Ridge Unearth the Potch Opal from Lightning Ridge

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Date added: 09/10/2011
Date modified: 09/10/2011
Filesize: 5.47 MB
Downloads: 3011
A study of potch by La Trobe University - Centre for Materials & Surface Science. LTU Microscopy. X Ray Fluorescence, Spectroscopy & Radio Carbon Dating. Delivered at the 7th National Opal Symposium.

The Origin of Precious Opal The Origin of Precious Opal

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Date added: 11/12/2009
Date modified: 04/30/2010
Filesize: 187.66 kB
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A New Model for the origin of precious Opal delivered by Canberra Chemist Byron Deveson at the 2005 National Opal Symposium.

The Geology and magnetic characteristics of precious Opal deposits, SW Queensland The Geology and magnetic characteristics of precious Opal deposits, SW Queensland

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Date added: 11/11/2009
Date modified: 10/28/2014
Filesize: 3.27 MB
Downloads: 3470

By B.R. Senior, D.H. McColl, B.E. Long, & R.J. Whiteley in the BMR Journal of Australian Geology & Geophysics 1977.

Sedimentological & Structural controls on the formation of Boulder Opal Sedimentological & Structural controls on the formation of Boulder Opal

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Date added: 04/30/2010
Date modified: 05/04/2010
Filesize: 4.42 MB
Downloads: 4107
Presented by Jan Domagala Dept. of Mines & Energy at the 2007 National Opal Symposium.
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