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dc.contributor.author Carr, Donald D.
dc.contributor.author French, Robert R.
dc.contributor.author Ault, Curtis H.
dc.date.accessioned 2006-08-07T14:42:15Z
dc.date.available 2006-08-07T14:42:15Z
dc.date.issued 1971
dc.identifier.citation Carr, Donald D., French, Robert R. and Ault, Curtis H., 1971, Crushed Stone Aggregate Resources of Indiana. Indiana Geological Survey Bulletin 42H, 38 p., 7 fig., 2 pl. en
dc.identifier.uri http://hdl.handle.net/2022/227
dc.description Indiana Geological Survey Bulletin 42-H en
dc.description.abstract Mineral aggregate is an aggregation of mineral material, such as crushed rock, expanded shale, perlite, sand and gravel, shells, or slag. It is sometimes bound with such material as cement or asphalt or is sometimes not bound for use as filter stone, flux stone, railroad ballast, riprap, or road metal. Crushed limestone and dolomite, sand and gravel, slag, perlite, and expanded shale are the main natural and fabricated aggregates currently used in Indiana. Some aggregate, such as sand and gravel, requires little or no processing and can be used almost as it is mined, but rock must be crushed and sorted into various desired sizes before it can be used. Many types of rocks can be used for crushed stone aggregate, but limestone and dolomite are used exclusively in Indiana (pl. 1). In this report crushed stone is synonymous with crushed limestone and dolomite. Each type of aggregate has a distinct advantage with respect to cost and availability or to a specific use for which one type is more suited than another. The advantages of crushed limestone and dolomite are that they can be crushed and sized to meet most specifications, the materials are clean and angular and bind well with cementing mixtures, a uniform lithologic composition can be maintained with little or no selective quarrying in many areas, and they are available at low cost in most counties in Indiana. Crushed stone is one of Indiana’s most important mineral commodities, ranking third in annual value behind coal and cement. During 1969 crushed stone production in Indiana totaled 25, 516,000 tons and was valued at $34,418,000. en
dc.description.sponsorship Indiana Department of Natural Resources en
dc.format.extent 7004939 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Indiana Geological Survey en
dc.relation.ispartofseries Bulletin en
dc.relation.ispartofseries 42H en
dc.rights This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA. en
dc.subject Economic Geology en
dc.subject Industrial Minerals en
dc.subject Aggregate en
dc.subject Crushed Stone en
dc.subject Limestone en
dc.subject Carbonate Rocks en
dc.subject Sedimentary Rocks en
dc.subject Indiana en
dc.title Crushed Stone Aggregate Resources of Indiana en
dc.type Technical Report en


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