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U.S. Department of Energy
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Hydrogeologic effects of natural disruptive events on nuclear waste repositories

Technical Report ·
DOI:https://doi.org/10.2172/5251423· OSTI ID:5251423
Some possible hydrogeologic effects of disruptive events that may affect repositories for nuclear wastte are described. A very large number of combinations of natural events can be imagined, but only those events which are judged to be most probable are covered. Waste-induced effects are not considered. The disruptive events discussed above are placed into four geologic settings. Although the geology is not specific to given repository sites that have been considered by other agencies, the geology has been generalized from actual field data and is, therefore, considered to be physically reasonable. The geologic settings considered are: (1) interior salt domes of the Gulf Coast, (2) bedded salt of southeastern New Mexico, (3) argillaceous rocks of southern Nevanda, and (4) granitic stocks of the Basin and Range Province. Log-normal distributions of permeabilities of rock units are given for each region. Chapters are devoted to: poresity and permeability of natural materials, regional flow patterns, disruptive events (faulting, dissolution of rock forming minerals, fracturing from various causes, rapid changes of hydraulic regimen); possible hydrologic effects of disruptive events; and hydraulic fracturing.
Research Organization:
Arizona Univ., Tucson (USA)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
5251423
Report Number(s):
PNL-2858
Country of Publication:
United States
Language:
English