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Title: Infiltration and Seepage Through Fractured Welded Tuff

Abstract

The Nopal I mine in Pena Blanca, Chihuahua, Mexico, contains a uranium ore deposit within fractured tuff. Previous mining activities exposed a level ground surface 8 m above an excavated mining adit. In this paper, we report results of ongoing research to understand and model percolation through the fractured tuff and seepage into a mined adit both of which are important processes for the performance of the proposed nuclear waste repository at Yucca Mountain. Travel of water plumes was modeled using one-dimensional numerical and analytical approaches. Most of the hydrologic properly estimates were calculated from mean fracture apertures and fracture density. Based on the modeling results, we presented constraints for the arrival time and temporal pattern of seepage at the adit.

Authors:
; ; ;
Publication Date:
Research Org.:
Yucca Mountain Project, Las Vegas, Nevada
Sponsoring Org.:
USDOE
OSTI Identifier:
893843
Report Number(s):
NA
MOL.20060713.0507, DC# 46986; TRN: US0606166
DOE Contract Number:  
NA
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; APERTURES; FRACTURES; MEXICO; MINING; PERFORMANCE; PLUMES; RADIOACTIVE WASTES; SIMULATION; TUFF; URANIUM ORES; WATER; YUCCA MOUNTAIN

Citation Formats

T.A. Ghezzehei, P.F. Dobson, J.A. Rodriguez, and P.J. Cook. Infiltration and Seepage Through Fractured Welded Tuff. United States: N. p., 2006. Web. doi:10.2172/893843.
T.A. Ghezzehei, P.F. Dobson, J.A. Rodriguez, & P.J. Cook. Infiltration and Seepage Through Fractured Welded Tuff. United States. doi:10.2172/893843.
T.A. Ghezzehei, P.F. Dobson, J.A. Rodriguez, and P.J. Cook. Tue . "Infiltration and Seepage Through Fractured Welded Tuff". United States. doi:10.2172/893843. https://www.osti.gov/servlets/purl/893843.
@article{osti_893843,
title = {Infiltration and Seepage Through Fractured Welded Tuff},
author = {T.A. Ghezzehei and P.F. Dobson and J.A. Rodriguez and P.J. Cook},
abstractNote = {The Nopal I mine in Pena Blanca, Chihuahua, Mexico, contains a uranium ore deposit within fractured tuff. Previous mining activities exposed a level ground surface 8 m above an excavated mining adit. In this paper, we report results of ongoing research to understand and model percolation through the fractured tuff and seepage into a mined adit both of which are important processes for the performance of the proposed nuclear waste repository at Yucca Mountain. Travel of water plumes was modeled using one-dimensional numerical and analytical approaches. Most of the hydrologic properly estimates were calculated from mean fracture apertures and fracture density. Based on the modeling results, we presented constraints for the arrival time and temporal pattern of seepage at the adit.},
doi = {10.2172/893843},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jun 20 00:00:00 EDT 2006},
month = {Tue Jun 20 00:00:00 EDT 2006}
}

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