Hostname: page-component-7dd5485656-dk7s8 Total loading time: 0 Render date: 2025-10-31T16:45:03.541Z Has data issue: false hasContentIssue false
  • English
  • Français

Expandable Sepiolite from Ninetyeast Ridge, Indian Ocean

Published online by Cambridge University Press:  02 April 2024

Scott Argast
Scott Argast*
Affiliation:
Department of Earth and Space Sciences, Indiana University-Purdue University at Fort Wayne, Fort Wayne, Indiana 46805
*
1Correspondence as: Scott Argast, Department of Earth and Space Sciences, Indiana-Purdue University at Fort Wayne, 2101 Coliseum Blvd., East Fort Wayne, IN 46805-1499.
Get access Rights & Permissions [Opens in a new window]

Abstract

The structure of sepiolite from a piston core obtained on Ninetyeast Ridge in the Indian Ocean was modified by exposure to ethylene glycol vapor. With ethylene glycol, the sepiolite Oil X-ray powder diffraction peak expanded from 12.4 to 12.8 Å, and the 130 peak contracted from 4.53 to about 4.45 Å. The cell modification is consistent with concomitant expansion along the c-axis and contraction along the b-axis. This structural distortion is not permanent, however, inasmuch as the sepiolite returned to its original state 6 to 12 hr after it was removed from the ethylene glycol-saturated atmosphere.

Keywords

Chemical compositionEthylene glycolExpansionSepioliteX-ray powder diffraction

Information

Type
Research Article
Information
Clays and Clay Minerals , Volume 37 , Issue 4 , August 1989 , pp. 371 - 376
Copyright
Copyright © 1989, 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

Brauner, K. and Preisinger, A., 1956 Structure of sepiolite Mineral. Petrog. Mitt. 6 120 – 140.Google Scholar
Fleischer, P., 1972 Sepiolite associated with Miocene diatomite, Santa Cruz basin, California Amer. Mineral. 57 903 – 913.Google Scholar
Golden, D. C., Dixon, J. B., Shadfan, H. and Kippenberger, L. A., 1985 Palygorskite and sepiolite alteration to smectite under alkaline conditions Clays & Clay Minerals 33 44 – 50.CrossRefGoogle Scholar
Güven, N. and Carney, L. L., 1979 The hydrothermal transformation of sepiolite to stevensite and the effect of added chlorides and hydroxides Clays & Clay Minerals 27 253 – 260.CrossRefGoogle Scholar
Hathaway, J. C. and Sachs, P. L., 1965 Sepiolite and clinoptilolite from the Mid-Atlantic Ridge Amer. Mineral. 50 852 – 867.Google Scholar
Jeffers, J. D. and Reynolds, R. C. Jr., 1987 Expandable palygorskite from the Cretaceous-Tertiary boundary, Mangyshlak Peninsula, U.S.S.R. Clays & Clay Minerals 35 473 – 476.CrossRefGoogle Scholar
Jones, B. F., Galan, E. and Bailey, S. W., 1988 Sepiolite and palygorskite Hydrous Phyllosilicates (Exclusive of Micas), Reviews in Mineralogy 19 631 – 674.CrossRefGoogle Scholar
Mighell, A. D., Hubbard, C. R. and Stalick, J. K. (1981) NBS*AIDS80: A FORTRAN program for crystallographic data evaluation: Natl. Bur. Stand. Tech. Note 1141, 54 pp.Google Scholar
Nagata, H., Shimoda, S. and Sudo, T., 1974 On dehydration of bound water of sepiolite Clays & Clay Minerals 22 285 – 293.CrossRefGoogle Scholar
Ovcharenko, F. D., 1964 The Colloid Chemistry of Palygorskite Jerusalem Israel Program for Scientific Translations (translated from Russian).Google Scholar
Rausell-Colom, J. A., Serratosa, J. M. and Newman, A. C. D., 1987 Reactions of clays with organic substances Chemistry of Clays and Clay Minerals London Mineralogical Society 371 – 422.Google Scholar
Reynolds, R. C. Jr. (1965) An X-ray study of the ethylene glycol-montmorillonite complex: U.S. Army Cold Regions Res. Eng. Lab. Res. Rept. 171, 9 pp.Google Scholar
Serna, C. J., VanScoyoc, G. E., Mortland, M. M. and Farmer, V. C., 1979 Infrared study of sepiolite and palygorskite surfaces Proc. Int. Clay Conf, Oxford, 1978 Amsterdam Elsevier 197 – 206.Google Scholar
Serratosa, J. M., Mortland, M. M. and Farmer, V. C., 1979 Surface properties of fibrous clay minerals (palygorskite and sepiolite) Proc. Int. Clay Conf, Oxford, 1978 Amsterdam Elsevier 99 – 109.Google Scholar
Shapiro, L. (1975) Rapid analysis of silicate, carbonate and phosphate rocks—Revised edition: U.S. Geol. Surv. Bull. 1401, 76 pp.Google Scholar