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Open-File Report 99-158

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# Long Valley Coring Project, Inyo County, California, 1998-Preliminary Stratigraphy and Images of Recovered Core

#### By Penelope C. Sackett, Vicki S. McConnell, Angela L. Roach, Susan S. Priest, John H. Sass

| Abstract
Phase III of the Long Valley Exploratory Well, the Long Valley Coring Project, obtained continuous core between the depths of 7,180 and 9,831 ft (2,188 to 2,996 meters) during the summer of 1998. This report contains a compendium of information designed to facilitate post-drilling research focussed on the study of the core. Included are a preliminary stratigraphic column compiled primarily from field observations and a general description of well lithology for the Phase III drilling interval. Also included are high-resolution digital photographs of every core box (10 feet per box) as well as scanned images of pieces of recovered core. The user can easily move from the stratigraphic column to corresponding core box photographs for any depth. From there, compressed, "unrolled" images of the individual core pieces (core scans) can be accessed. Those interested in higher-resolution core scans can go to archive CD-ROMs stored at a number of locations specified herein. All core is stored at the USGS Core Research Center in Denver, Colorado where it is available to researchers following the protocol described in this report. Preliminary examination of core provided by this report and the archive CD-ROMs should assist researchers in narrowing their choices when requesting core splits. | First posted May 25, 1999
- **Readme** TXT (12 kB) 
- **Report** PDF (48 MB) 

**For additional information, contact:**          Geology, Minerals, Energy, and Geophysics Science CenterU.S. Geological Survey345 Middlefield Road, MS 901Menlo Park, CA 94025-3591http://geomaps.wr.usgs.gov/gmeg/

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### Suggested citation:

Sackett, Penelope C., McConnell, V. S., Roach, A. L., Priest, S. S., Sass, J. H., 1998, Long Valley Coring Project, Inyo County, California, 1998-Preliminary Stratigraphy and Images of Recovered Core: U. S. Geological Survey Open-File Report 99-158, *https://pubs.usgs.gov/of/1999/0158/*.

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U.S. Department of the Interior |            U.S. Geological Survey           	URL: *http://pubsdata.usgs.gov/pubs/of/1999/0158/index.html*            Page Contact Information: GS Pubs Web Contact           	Page Last Modified: Wednesday, 07-Dec-2016 17:49:55 EST