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Title: Origin of the brines near WIPP from the drill holes ERDA-6 and WIPP-12 based on stable isotope concentrations of hydrogen and oxygen

Technical Report ·
OSTI ID:6250254

Pathways which might alter the isotopic compositions of deuterium and oxygen-18 meteoric water, seawaters, and in hydration waters in gypsum to the isotopic compositions of brines encountered at ERDA-6 and WIPP-12 are discussed. Present geologic conditions do not favor the alteration of the isotopic compositions of waters that exist near the WIPP site to those of the brines by these pathways. It is concluded that the brines encountered at ERDA-6 and WIPP-12 are probably derived from ancient ocean waters that have been isotopically enriched in oxygen-18 by exchange interaction with rock. The dehydration of gypsum as a process of origin of these brines cannot be ruled out.

Research Organization:
New Mexico Health and Environment Dept., Santa Fe (USA). Environmental Improvement Div.
DOE Contract Number:
AC04-78AL10752
OSTI ID:
6250254
Report Number(s):
DOE/AL/10752-18; EEG-18; ON: DE83012310
Country of Publication:
United States
Language:
English