| http://www.w3.org/ns/prov#value | - In contrast, veins in Trench 14 and other exposures in and around Yucca Mountain show no mounds, are composed of extremely fine grained calcite (less than 6 microns, or one thousandth the size of the Travertine Point calcites), have no symmetry, contain thin interlayered bands of low-temperature amorphous silica, and include soil material such as sand, clay, and volcanic ash.
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