On Secondary Enlargements of Mineral Fragments in Certain Rocks
Description:
A report about quartz fragments and genesis of qartzites. Sandstones are described that have grains which are bounded externally by crystalline faces. The quartz coatings of these grains are in perfect "optical and crystalline continuity" with the interior fragments.
Date:
1884
Creator:
Irving, R. D. & Van Hise, C. R.
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department