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dc.contributor.author Carr, Donald D.
dc.contributor.author Webb, William M.
dc.date.accessioned 2006-08-07T14:41:27Z
dc.date.available 2006-08-07T14:41:27Z
dc.date.issued 1970
dc.identifier.citation Carr, Donald D. and Webb, William M., 1970, Sand and Gravel Resources of Indiana. Indiana Geological Survey Bulletin 42D, 31 p., 20 fig. en
dc.identifier.uri http://hdl.handle.net/2022/226
dc.description Indiana Geological Survey Bulletin 42-D en
dc.description.abstract Sand and gravel are unconsolidated granular materials resulting from the natural disintegration of rocks. Unlike most other mineral commodities they are defined in terms of particle size rather than mineral or chemical composition. In general, sand is a detrital material consisting of rock and mineral fragments that are less than 2 millimeters and greater than one-sixteenth millimeter in diameter. Gravel is a coarse detrital material consisting of rounded or partly rounded fragments of rocks and minerals greater than 2 millimeters in diameter. The upper size range, although variable, is considered to be 3 ½ to 4 inches. Sand and gravel are used in large quantities as a base or sub-grade material for highways, as roadstone on unpaved roads and as fill material. Another important use is as aggregate or the framework component in concrete, mortar, or bituminous mixes. Each year vast quantities of sand and gravel are used in making highways, bridges, dams, runways, foundations, and buildings. During 1968 sand and gravel production in Indiana, exclusive of specialty sands, was 25,774,000 tons and was valued at $26,160,000. en
dc.description.sponsorship Indiana Department of Natural Resources en
dc.format.extent 5439918 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 42D 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 Sand en
dc.subject Gravel en
dc.subject Aggregate en
dc.subject Indiana en
dc.title Sand and Gravel Resources of Indiana en
dc.type Technical Report en


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