INTRODUCTION: A prime directive of the Indiana Geological Survey (IGS) is to collect and archive rock, mineral, soil, and other geologic samples. The IGS has been pursuing this mission since the late 1940s and possesses and extensive inventory of cores and prepared material. This publication is an inventory of samples which represent described geologic units. The material was derived from cored intervals, quarry selections, underground mines, outcrops, and well cuttings. The list does not include any samples of coal or soil. Archived cores which have been sampled are housed in the IGS Core Library building and may be accessed by the public. Crushed material of some samples is kept at the IGS Testing Facility and is available for approved projects. The Geochemistry section of the IGS stores small amounts of the majority of the samples listed and in some cases can prvide finely ground material. For some samples no material remains.
Ennis, M. V. 1994, Inventory of geologic samples: Indiana Geological Survey Open-File Study 94-09, 46 p.
Notes: Publications in the Indiana Geological Survey Open-File series have been inconsistently named using a variety of series titles including "Open-File Report," "Open-File Map," and "Open-File Study." Prior to 1994, a publication in this series was generally referred to as an "Open-File Report" (but not always). To help reduce confusion created by these inconsistencies, the IGS now refers to every publication in the Open-File series as an "Open-File Study." To be entirely correct in writing a bibliographic reference for a publication, one should use the series name and number that appears on the publication itself.
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