Core Lithology, Valles Caldera No. 1, New Mexico

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Report: Core Lithology, Valles Caldera No. 1, New Mexico

Abstract
Vallas caldera No. 1 (VC-1) is the first Continental Scientific Drilling Program research core hole in the Vallas caldera and the first continuously cored hole in the region. The hole penetrated 298 m of moat volcanics and caldera-fill ignimbrites, 35 m of volcaniclastic breccia, and 523 m of Paleozoic carbonates, sandstones, and shales with over 95% core recovery. The primary research objectives included coring through the youngest rhyolite flow within the caldera; obtaining structural and stratigraphic information near the intersection of the ring-fracture zone and the pre-caldera Jemez fault zone; and penetrating a high-temperature hydrothermal outflow plume near its source. This report presents a compilation of lithologic and geophysical logs and photographs of core that were collected while drilling VC-1. It is intended to be a reference tool for researchers interested in caldera processes and associated geologic phenomena.

Authors 
Jamie N. Gardner, Fraser E. Goff, Sue Goff, Larry Maassen, K. Mathews, Daniel Wachs and D. Wilson






Published 
Los Alamos National Laboratory, NM, 1987


Report Number 
LA-10957-OBES

DOI 
Not Provided
Check for DOI availability: http://crossref.org

Online 
Internet link for Core Lithology, Valles Caldera No. 1, New Mexico
Citation

Jamie N. Gardner,Fraser E. Goff,Sue Goff,Larry Maassen,K. Mathews,Daniel Wachs,D. Wilson. 1987. Core Lithology, Valles Caldera No. 1, New Mexico. Los Alamos, NM: Los Alamos National Laboratory, NM. Report No.: LA-10957-OBES.


Related Geothermal Exploration Activities
Activities (8)


Areas (1)
  1. Valles Caldera - Redondo Geothermal Area
Regions (0)


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