U.S. Geological Survey Open-File Report 92-299 MOLECULAR AND ISOTOPIC ANALYSES OF THE HYDROCARBON GASES WITHIN GAS HYDRATE-BEARING ROCK UNITS OF THE PRUDHOE BAY-KUPARUK RIVER AREA IN NORTHERN ALASKA by Zenon C. Valin and Timothy S. Collett This work was funded by the U.S. Geological Survey Global Change and Climate History Program and the U.S. Department of Energy (Agreement No. DE-AI21-83MC20422). This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Zenon C. Valin U.S. Geological Survey 345 Middlefield Road Menlo Park, California Timothy S. Collett U.S. Geological Survey Federal Center, Box 25046 Denver, Colorado 80225 This dataset is a digital form of the original report, which can be obtained by contacting the USGS Library. Modifications to the structure and format of included digital files were made by Peter Schweitzer to conform to guidelines of the Global Change and Climate History Program. This work should be cited as Valin, Z.C., and Collett, T.S., 1992, Molecular and isotopic analyses of the hydrocarbon gases within gas hydrate-bearing rock units of the Prudhoe Bay-Kuparuk River area in northern Alaska, U.S. Geological Survey Open-File Report 92-299, 90p. For overview information, read Contents/ofr92299.dif An annotated list of included files is contained in Contents/contents.txt Full documentation of the analytical methods is in Core/meta/report.txt More about the USGS Global Change and Climate History program is available by anonymous ftp on host geochange.er.usgs.gov in pub/info/Overview.txt. Questions about dataset structure and file format should be directed to: Peter Schweitzer Mail Stop 906, National Center U.S. Geological Survey Reston, VA 20192 Tel: (703) 648-6533 FAX: (703) 648-6647 email: pschweitzer@usgs.gov (end)