Show simple item record Deiss, Charles F. 2006-08-08T16:43:11Z 2006-08-08T16:43:11Z 1952
dc.identifier.citation Deiss, Charles F., 1952, Geologic Formations on which and with which Indiana's Roads are Built. Indiana Geological Survey Circular 01, 17 p., 3 fig., 9 pl. en
dc.description Indiana Geological Survey Circular 1 en
dc.description.abstract This publication could also be titled “Sources of aggregates and types of highway subgrades in Indiana.” Our highways are built of aggregates cemented together with one kind or another of portland cement, bituminous materials, or resinous plastics. Often engineers want to know more about the origin, extent, and mineral composition of gravels and limestones used as aggregate. Because engineers don't have this information, they experience financial loss and frustration until they find the answers. The engineers of the Highway Commission, likewise, know better than anyone else in Indiana the various types of subgrades and the characteristic behavior of each type of aggregate on which our roads are built. But the engineers would like also to know m uch more about the origin, thickness, lateral extent, mineral composition, and interrelationships of the wide variety of subgrades encountered in our highway system. To answer questions of this kind, engineers and aggregate producers, in this country and abroad, are turning increasingly to geology and mineralogy, because these sciences are proving to be the most economical and dependable methods of finding new deposits and of indicating the type and size of subgrades (terranes) that will be encountered by new highways that will cross untested areas. The greatly increased use of aggregates during the past 10 years is being intensified by the demand for aggregates to build the modern heavy duty roads of this decade. These demands already are beginning to exhaust some of our present deposits. New sources of aggregates, favorably located along the proposed routes of such new superhighways, will be expensive to find and to evaluate. Since July 1947, the Indiana Geological Survey (Patton, 1949, pp. 1-47) has studied, sampled, and mapped every operating limestone quarry in Indiana (Pl. l), and also has examined nearly 3,100 gravel pits, including the 620 that are currently operating. In addition, the Geological Survey has analyzed each type of limestone encountered in quarries, and has collected information about the composition of Indiana’s gravels and sands. This publication discusses the geology, distribution and accessibility of Indiana limestones and gravels, and also to indicate the differences in origin of the materials that make up the several kinds of subgrades which support our roads. en
dc.description.sponsorship Indiana Department of Conservation en
dc.format.extent 9539166 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Indiana Geological Survey en
dc.relation.ispartofseries Circular en
dc.relation.ispartofseries 1 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 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 Construction Materials en
dc.subject Engineering Geology en
dc.subject Aggregates en
dc.subject Indiana en
dc.title Geologic Formations on which and with which Indiana's Roads are Built en
dc.type Technical Report en

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