Mineralogical investigations at Yucca Mountain in southwestern Nevada are part of the characterization of this site for a potential nuclear waste repository. This report analyzes compositional data obtained by x-ray powder diffraction for several hundred samples from fourteen drill holes in the vicinity of Yucca Mountain. Mineralization is compared with the functional stratigraphy for the region. Three major zeolitized intervals below the Topopah Spring Member of the Paintbrush Tuff are of particular interest because of their potential to retard the transport of dissolved radionuclides. No significant lateral trends in total zeolitization within these units are noted in the neighborhood of …
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Los Alamos National Lab., NM (United States)
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New Mexico
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Mineralogical investigations at Yucca Mountain in southwestern Nevada are part of the characterization of this site for a potential nuclear waste repository. This report analyzes compositional data obtained by x-ray powder diffraction for several hundred samples from fourteen drill holes in the vicinity of Yucca Mountain. Mineralization is compared with the functional stratigraphy for the region. Three major zeolitized intervals below the Topopah Spring Member of the Paintbrush Tuff are of particular interest because of their potential to retard the transport of dissolved radionuclides. No significant lateral trends in total zeolitization within these units are noted in the neighborhood of the Exploration Block, but there are trends in the abundances of the individual zeolites. Much local variation that cannot be explained by either vertical or lateral trends is observed.
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Campbell, K.Lateral continuity of sorptive mineral zones underlying Yucca Mountain, Nevada,
report,
August 1, 1987;
New Mexico.
(https://digital.library.unt.edu/ark:/67531/metadc695751/:
accessed June 3, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.
