Hostname: page-component-7dd5485656-gs9qr Total loading time: 0 Render date: 2025-10-31T12:49:55.020Z Has data issue: false hasContentIssue false
  • English
  • Français

Bulk Densities of Selected Dried Natural and Fired Kaolin Clays

Published online by Cambridge University Press:  01 July 2024

David Baumann  and
W. D. Keller
David Baumann
Affiliation:
Department of Geology, University of Missouri-Columbia, Columbia, MO 65201 U.S.A.
W. D. Keller
Affiliation:
Department of Geology, University of Missouri-Columbia, Columbia, MO 65201 U.S.A.
Get access Rights & Permissions [Opens in a new window]

Abstract

Bulk (lump) densities of 31 kaolins were measured on the clay in the natural or raw state after drying at 100°C and after firing to 1510°C (2700°F). The kaolins were selected from such diverse origins as surface-weathered and sedimentary accumulations, hydrothermally altered bodies and flintclay deposits. The sedimentary group ranged in density from 0·82 to 1·85 in the dried raw clay, and 1·93 to 2·63 when fired. The hydrothermally altered clays ranged from 1·83 to 2·50 in the dried raw state, and 2·02 to 2·66 when fired. Flint clays ranged from 2·20 to 2·60 in the dried raw state (a “toasted clay” from Russia, 1.75), and 1·99 to 2·70 when fired. The effect of the genetic process on bulk density values is discussed and related.

Information

Type
Research Article
Information
Clays and Clay Minerals , Volume 23 , Issue 6 , December 1975 , pp. 424 - 427
Copyright
Copyright © 1975, The Clay Minerals Society

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable

References

Chukhrov, F. V., (1970) Analogues of flint clays in Soviet literature Clays and Clay Minerals 18 1–5.CrossRefGoogle Scholar
Hanson, R. F. and Keller, W. D., (1966) Genesis of refractory clay near Guanajuato, Mexico 259–267.CrossRefGoogle Scholar
Hanson, R. F. and Keller, W. D., (1971) Flint clay by hydrothermal alteration of sedimentary rock in Mexico Clays and Clav Minerals 19 115–119.CrossRefGoogle Scholar
Keller, W. D. Westcott, J. F. and Bledsoe, A. O., (1954) The origin of Missouri fire clays 7–46.CrossRefGoogle Scholar
Keller, W. D. McGrain, P. Reesman, A. L. and Saum, N. M., (1966) Observations on the origin of endellite in Kentucky, and their extension to “Indianaite” 107–120.CrossRefGoogle Scholar
Keller, W. D., (1968) Flint clay and a flint-clay facies Clays and Clay Minerals 16 113–128.CrossRefGoogle Scholar
Keller, W. D. and Hanson, R. F., (1968) Hydrothermal alteration of a rhyolite flow breccia near San Luis Potosi, Mexico, to refractory kaolin Clays and Clay Minerals 16 223–229.10.1346/CCMN.1968.0160304CrossRefGoogle Scholar
Keller, W. D. and Hanson, R. F., (1969) Hydrothermal argillation of volcanic pipes in limestone in Mexico Clays and Clay Minerals 17 9–12.CrossRefGoogle Scholar
Keller, W. D. and Hanson, R. F., (1975) Dissimilar fabrics by scan electron microscopy of sedimentary vs hydro-thermal clays in Mexico Clays and Clay Minerals 23 201–204.CrossRefGoogle Scholar
Klinefelter, T. A. O’Meara, R. G. Truesdell, G. C. and Gottlieb, S., (1943) Hard and soft kaolins of Georgia U.S. Bur. Mines., Rpt. Invest. No. 3682 .Google Scholar
Patterson, S. H. and Hostermann, J. W., (1962) Geology and refractory clay deposits of the Haldeman and Wrigley Quadrangles, Kentucky U.S. Geol. Surv. Bull. .Google Scholar