INTRODUCTION: This catalog is an index of the cores filed in the core library of the Indiana Geological Survey. The holdings in the library may be used by the public for research and for development of a better understanding of the stratigraphic sequence of Indiana. About 700 cores are filed in the collection, and all but six are from holes drilled in Indiana. More than half of these cores were obtained with equipment operated by the Geological Survey, and the rest were donated by the oil and mineral industries. Many of the cores have been chipped and added to the sample library of drill cuttings, which is a separate facility containing nearly 13,000 sample sets. The cores are split in half by a core splitter that provides a fresh unaltered surface for examination. All cores are stored in numbered cardboard boxes that correspond to an internal file system. Facilities for examining the cores include examination space, microscopes, and lamps. Also available in the core-examination area are a microfiche file of individual-well data and a microfiche reader that may be used in conjunction with the core examination. Cores may be examined at the core library from 8:30 AM - 4:30 PM (year-round EST), Monday through Friday. By arrangement, small samples may be obtained from the cores for specialized research involving destructive analysis. After-hours examination or loan of the cores is not permitted. A map showing distribution of the cores within Indiana is available on request.

Cazee, S. K. 1988, Catalog of core samples of the Indiana Geological Survey: Indiana Geological Survey Directory 09, 83 p., 2 fig.

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Updated 8/19/2020