Latest Rhyolite Stories
Check out these different types of lava and where the best places are to see them.
HOUSTON, March 28, 2011 /PRNewswire/ -- Texas Rare Earth Resources Corp.(OTCQB:TRER) has completed analysis of 1103 drill samples from the 1984-88 drilling program conducted by Cabot Corporation and Cyprus Minerals.
In the news release, Texas Rare Earth Resources Announces Initial Results of Sample Analysis, issued 23-Nov-2010 by Texas Rare Earth Resources Corp. over PR Newswire, we are advised by the company that there are numerous changes to the first and second paragraphs in the press release.
TYLER, Texas, Nov. 23, 2010 /PRNewswire/ -- Texas Rare Earth Resources Corp.
TYLER, Texas, Oct. 6 /PRNewswire/ -- Texas Rare Earth Resources Corp.
Rhyolite is an igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture. Mineral assembly is usually quartz, alkali feldspar and plagioclase (in a ratio > 1:2). Biotite and pyroxene are common accessory minerals. Rhyolite can be considered as the extrusive equivalent to the plutonic granite rock. Due to their high content of silica, rhyolite form highly viscous lavas. They can also occur as breccias or in volcanic necks and dikes. Like obsidian,...
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