Coloured Gemstone Deposits in the Yukon
December 10, 2013 | Yukon Geological Survey
(Click on the above link for downloading the PDF)
Nice publications on the geology of gemstones are rare. Here is a nice open file report from the Yukon Geological Survey.
It is Open File Report 2004-10, "EXPLORATION CRITERIA FOR Coloured Gemstone Deposits in the Yukon" by Lori Walton.
http://geology.com/news/2013/coloured-gemstone-deposits-in-the-yukon.shtml?utm--
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