Hydrology, chemical quality, and characterization of salinity in the Navajo Aquifer in and near the Greater Aneth Oil Field, San Juan County, Utah

Spangler, Lawrence E.; Naftz, David L.; Peterman, Zell E.

doi:10.3133/wri964155

Cited by 11 publications

(5 citation statements)

References 47 publications

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“…The hydrochemical data were used to calculate the extent of meteoric recharge, salt dissolution, and mixing with remnant EPS-derived brines. Only 81 Kr data for the Permian Cutler Fm from the Andy's Mesa gas field were compared with available water data from a different field (Greater Aneth oil field; Spangler et al, 1996). 85 Kr was also analyzed to identify and correct for air contamination during sampling (Jiang et al, 2012).…”

Section: Methodsmentioning

confidence: 99%

“…The differences in the extent and timing of meteoric recharge may be explained by differences in the local permeability structure, depth, and topography. The Paradox Fm in the Greater Aneth oil field contains fewer evaporites deposited in the carbonate shelf and is located at relatively shallow depths (≤1.8 km; Spangler et al, 1996), which may have enabled influx of meteoric water into the Paradox Fm.…”

Section: Timing Of Meteoric Water Recharge Into Formation Above/below...mentioning

confidence: 99%

“…It is possible that meteoric water circulation was activated earlier in the Cutler Fm with limited fracture connectivity between formations (Anna et al, 2014). However, because the δD values used for the Cutler Fm came from a different field (Greater Aneth oil field; Spangler et al, 1996) than the 81 Kr data, the percent meteoric water may have been over-or under-estimated.…”

Section: Timing Of Meteoric Water Recharge Into Formation Above/below...mentioning

confidence: 99%

“…Kr, Na, Cl, Br, and δD water data is stored and publicly available on Hydroshare (at: https://doi.org/10.4211/ hs.d2a724a994b34fa3880ca21562912788). Hydrochemical data (Na, Cl, Br, and δD water ) are available through Hanshaw and Hill (1969), Spangler et al (1996), Blondes et al (2018), andKim et al (2022). 14 C data are available through Noyes et al (2021)…”

Section: Data Availability Statementmentioning

confidence: 99%

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Krypton‐81 Dating Constrains Timing of Deep Groundwater Flow Activation

Kim

Ferguson

Person

et al. 2022

Geophysical Research Letters

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Krypton‐81 dating provides new insights into the timing, mechanisms, and extent of meteoric flushing versus retention of saline fluids in the subsurface in response to changes in geologic and/or climatic forcings over 50 ka to 1.2 Ma year timescales. Remnant Paleozoic seawater‐derived brines associated with evaporites in the Paradox Basin, Colorado Plateau, are beyond the 81Kr dating range (>1.2 Ma) and have likely been preserved due to negative fluid buoyancy and low permeability. 81Kr dating of formation waters above the evaporites indicates topographically‐driven meteoric recharge and salt dissolution since the Late Pleistocene (0.03–0.8 Ma). Formation waters below the evaporites (up to 3 km depth), in basal aquifers, contain relatively young meteoric water components (0.4–1.1 Ma based on 81Kr) that partially flushed remnant brines and dissolved evaporites. We demonstrate that recent, rapid denudation of the Colorado Plateau (<4–10 Ma) activated deep, basinal‐scale flow systems as recorded in 81Kr groundwater age distributions.

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Section: Methodsmentioning

confidence: 99%

Section: Timing Of Meteoric Water Recharge Into Formation Above/below...mentioning

confidence: 99%

Section: Timing Of Meteoric Water Recharge Into Formation Above/below...mentioning

confidence: 99%