Figure 1. The sparsely populated high desert of eastern Oregon is home to three localities producing natural copper-bearing labradorite feldspar. In this view of Lake County’s Dust Devil mine, the ...
To prepare the sample wafers, the authors cut a section of rock ... These can be used along with other inclusions (zircon, rutile, K-feldspar, and Ca-Na-plagioclase) for possible origin identification ...
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