Hostname: page-component-cd9895bd7-8ctnn Total loading time: 0 Render date: 2024-12-25T05:46:18.307Z Has data issue: false hasContentIssue false

Al-rich pyroxene and melilite in a blast-furnace slag and a comparison with the Allende meteorite

Published online by Cambridge University Press:  05 July 2018

B. C. M. Butler*
Affiliation:
Department of Geology and Mineralogy, Parks Road, Oxford OX1 3PR

Summary

Fassaitic diopside containing 22–23 wt% Al2O3 (approximately 41–43% calcium Tschermak's molecule, CaAl2SiO6) and melilite containing 69–43% gehlenite crystallized from a blast-furnace slag at atmospheric pressure between about 1450°C and 1250°C. The occurrence is of petrological interest because the association of pyroxene with gehlenite-rich melilite has not been recorded from experimental studies in the system CaO-MgO-Al2O3-SiO2, and because of the similarity of the compositions of both minerals to pyroxene and melilite in the Ca-Al-rich inclusions of the Allende meteorite.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1977

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.)

References

Biggar, (G. M.) and O'Hara, (M. J.), 1972. Mineral. Mag. 38, 918-25.CrossRefGoogle Scholar
Blander, (M.) and Fuchs, (L. H.), 1975. Geochimica Ada, 39, 1605-19.CrossRefGoogle Scholar
Clarke, (R. S.), Jaroscwich, (E.), Mason, (B.), Nelen, (J.), Gomez, (M.), and Hyde, (J. R.), 1970. Smithsonian Contrib. Earth Sci. no. 5, 53 pp.Google Scholar
De Neufville, (J.) and Schairer, (J. F.), 1962. Carnegie Inst. Washington Yearbook, 61, 56-9.Google Scholar
Deer, (W. A.), Howie, (R. A.), and Zussman, (J.), 1962 and 1963. Rock-forming Minerals, 1 and 2. London (Longmans).Google Scholar
Dowty, (E.) and Clark, (J. R.), 1973. Am. Mineral. 58, 230–42.Google Scholar
Gee, (K. H.) and Osborn, (E. F.), 1969. Bull. Earth Mineral. Sci. Exp. Station, Pennsylvania State Univ. no. 85, 23–51.Google Scholar
Grossman, (L.), 1972. Geochimica Ada, 36, 597–619.CrossRefGoogle Scholar
Grossman, (L.), 1975. Ibid. 39, 433-54.Google Scholar
Gupta, (A. K.), Onuma, (K.), Yagi, (K.), and Likiak, (E. G.), 1973. Contrib. Mineral. Petrol. 41, 333–44.CrossRefGoogle Scholar
Marvin, (U. B.), Wood, (J. A.), and Dickey (J. S., jr.), 1970. Earth planet Sci. Lett. 7, 346–50.CrossRefGoogle Scholar
Nurse, (R. W.) and Midgley, (H. G.), 1953. Journ. Iron Steel Inst. 174, 121–31.Google Scholar
O'Hara, (M. J.) and Biggar, (G. M.), 1969. Am. J. Sci. 267-A, 364-90.Google Scholar
Onuma, (K.) and Yagi, (K.), 1971. Mineral. Mag. 38, 471–80.CrossRefGoogle Scholar
Osborn, (E. F.) and Schairer, (J. F.), 1941. Am. J. Sci. 239, 715–63.CrossRefGoogle Scholar
Osborn, (E. F.), Devries, (R. C), Gee, (K. H.), and Kraner, (H. M.), 1954. J. Metals, 6, 3–15.Google Scholar
Sakata, (Y.), 1957. Jap. J. Geol. Geogr. 28, 161–8.Google Scholar
Schairer, (J. F.) and Yoder (H. S., jr.), 1970. Carnegie Inst. Washington Yearbook, 68, 202–14.Google Scholar