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Science 28 November 1969:
Vol. 166. no. 3909, pp. 1136 - 1141
DOI: 10.1126/science.166.3909.1136
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Articles

Lherzolite, Anorthosite, Gabbro, and Basalt Dredged from the Mid-Indian Ocean Ridge

Celeste G. Engel 1 and Robert L. Fisher 2

1 U.S. Geological Survey, La Jolla, California 92037
2 Scripps Institution of Oceanography, University of California at San Diego, La Jolla, California 92037

The Central Indian Ridge is mantled with flows of low-potassium basalt of uniform composition. Gabbro, anorthosite, and garnet-bearing lherzolite are exposed in cross fractures, and lherzolite is the bedrock at the center of the ridge. The Iherzolites are upper-mantle rock exposed by faulting.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Bulk-rock Major and Trace Element Compositions of Abyssal Peridotites: Implications for Mantle Melting, Melt Extraction and Post-melting Processes Beneath Mid-Ocean Ridges.
Y. NIU (2004)
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Mantle-Derived Peridotites in Southwestern Oregon: Relation to Plate Tectonics.
L. G. Medaris, L. G. Medaris Jr., and R. H. Dott Jr. (1970)
Science 169, 971-974
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Layered Basic Complex in Oceanic Crust, Romanche Fracture, Equatorial Atlantic Ocean.
W. G. Melson, W. G. Melson, and G. Thompson (1970)
Science 168, 817-820
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Elemental Compositions and Ages of Lunar Samples by Nondestructive Gamma-Ray Spectrometry.
G. D. O'Kelley, G. D. O'Kelley, J. S. Eldridge, E. Schonfeld, and P. R. Bell (1970)
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