1999/01/01 by Geoffrey D. Thyne, Janice M. Gillespie, James R. Ostdick · 32 citations
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paper · doi:10.1130/0016-7606(1999)111<1600:efiftb>2.3.co;2
published in Geological Society of America Bulletin 111(11), 1600 (Geological Society of America)
openalex publication_date 1999/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/26
Research Article| November 01, 1999 Evidence for interbasin flow through bedrock in the southeastern Sierra Nevada Geoffrey D. Thyne; Geoffrey D. Thyne 1Department of Chemistry, Geology, and Physics, California State University, Bakersfield, California 93311 Search for other works by this author on: GSW Google Scholar Janice M. Gillespie; Janice M. Gillespie 1Department of Chemistry, Geology, and Physics, California State University, Bakersfield, California 93311 Search for other works by this author on: GSW Google Scholar James R. Ostdick James R. Ostdick 1Department of Chemistry, Geology, and Physics, California State University, Bakersfield, California 93311 Search for other works by this author on: GSW Google Scholar GSA Bulletin (1999) 111 (11): 1600–1616. 10.1130/0016-7606(1999)111<1600:EFIFTB>2.3.CO;2 Article history first online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Geoffrey D. Thyne, Janice M. Gillespie, James R. Ostdick; Evidence for interbasin flow through bedrock in the southeastern Sierra Nevada. GSA Bulletin 1999;; 111 (11): 1600–1616. doi: 10.1130/0016-7606(1999)111<1600:EFIFTB>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract A combination of three independent lines of evidence (hydrogeological, geochemical, and isotopic) suggests that as much as 3.7 × 107 m3 per year of interbasin flow may occur through faulted and fractured bedrock in the southern Sierra Nevada. The proposed interbasin flow path is through fractured Sierran bedrock from the Kern River drainage basin (which supplies recharge to the San Joaquin Valley to the west) into the southwestern Indian Wells Valley, a desert basin that is east of the Sierra. The interbasin flow produces an amount of recharge that significantly increases the ground-water budget for the desert valley.The interbasin flow is identified by aquifer flux values much higher than local recharge and by ground water that has geochemical and isotopic signatures that differ from the local recharge. Interbasin flow that crosses topographic watershed divides has been identified in fractured carbonate aquifers in the southwestern United States. However, igneous and metamorphic rocks in the Basin and Range province are generally considered to be flow barriers, and watershed boundaries are usually delineated by topography. In this study we present an example in which recharge appears to be transported between adjacent watersheds through the fractured bedrock of an extensional area in the southern Sierra. If confirmed, this example shows that igneous and metamorphic rocks may not always act as barriers to ground-water flow in extensional tectonic regimes. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.