scholarly journals Uncertainty and Sensitivity of Contaminant Travel Times from the Upgradient Nevada Test Site to the Yucca Mountain Area

2009 ◽  
Author(s):  
J. Zhu ◽  
K. Pohlmann ◽  
J. Chapman ◽  
C. Russell ◽  
R.W.H. Carroll ◽  
...  
Keyword(s):  
Test Site ◽  
Yucca Mountain ◽  
Travel Times ◽  
Nevada Test Site ◽  
Mountain Area

scholarly journals Evaluation Of Groundwater Pathways And Travel Times From The Nevada Test Site To The Potential Yucca Mountain Repository

2006 ◽  
Author(s):  
K.F. Pohlman ◽  
J. Zhu ◽  
M. Ye ◽  
J. Chapman ◽  
C. Russell ◽  
...  
Keyword(s):  
Test Site ◽  
Yucca Mountain ◽  
Travel Times ◽  
Nevada Test Site

Sensitivity to Formation Porosity of Contaminant Transport from Nevada Test Site to Yucca Mountain

2011 ◽  
Vol 15 (4) ◽  
pp. 219-227 ◽  
Author(s):  
Jianting Zhu ◽  
Karl F. Pohlmann ◽  
Jenny B. Chapman ◽  
Charles E. Russell ◽  
Rosemary W. H. Carroll ◽  
...  
Keyword(s):  
Contaminant Transport ◽  
Test Site ◽  
Yucca Mountain ◽  
Nevada Test Site ◽  
Formation Porosity

scholarly journals Radionuclides in Hydrothermal Systems as Indicators of Repository Conditions

1990 ◽  
Vol 212 ◽  
Author(s):  
H.A. Wollenberg ◽  
S. Flexser ◽  
A.R. Smith
Keyword(s):  
Sedimentary Rocks ◽  
Carbonaceous Material ◽  
Test Site ◽  
Volcanic Field ◽  
Yucca Mountain ◽  
Hydrothermal Systems ◽  
Rock Matrix ◽  
Nevada Test Site ◽  
San Juan Mountains ◽  
Long Valley

ABSTRACTHydrothermal systems in tuffaceous and older sedimentary rocks contain evidence of the interaction of radionuclides in fluids with rock matrix minerals and with materials lining fractures, in settings somewhat analogous to the candidate repository site at Yucca Mountain, NV. Earlier studies encompassed the occurrences of U and Th in a “fossil” hydrothermal system in tuffaceous rock of the San Juan Mountains volcanic field, CO. More recent and ongoing studies examine active hydrothermal systems in calderas at Long Valley, CA and Valles, NM. At the Nevada Test Site, occurrences of U and Th in fractured and unfractured rhyolitic tuff that was heated to simulate the introduction of radioactive waste are also under investigation. Observations to date suggest that U is mobile in hydrothermal systems, but that localized reducing environments provided by Fe-rich minerals and/or carbonaceous material concentrate U and thus attenuate its migration.

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