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Application of the Hardgrove grindability index in carbonate characterization

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Abstract

The Hardgrove grindability test, commonly used in coal characterization, was conducted on 13 Mississippian carbonates from Kentucky, Tennessee and Illinois. The results demonstrated that the grindability increases with a decrease in the SiO2/(MgCO3+CaCO3) ratio, with fine-grained and petrographically-complex stones having lower grindabilities. Also, the relationship between the Bond work index and Hardgrove grindability is significant.

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Authors and Affiliations

  1. Center for Applied Energy Research, University of Kentucky, Lexington, KY, USA

    J. C. Hower (member SME, geoscientist)

  2. Law Associates, Atlanta, GA, USA

    L. S. Barron (geologist)

  3. Wheaton College, Wheaton, IL, USA

    S. O. Moshier (associate professor)

Authors
  1. J. C. Hower
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  2. L. S. Barron
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  3. S. O. Moshier
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Additional information

SME nonmeeting paper 91-660.

Discussion of this paper must be submitted, in duplicate, prior to Nov. 30, 1992.

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Hower, J.C., Barron, L.S. & Moshier, S.O. Application of the Hardgrove grindability index in carbonate characterization. Mining, Metallurgy & Exploration 9, 146–150 (1992). https://doi.org/10.1007/BF03402987

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  • DOI: https://doi.org/10.1007/BF03402987

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