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Science 24 March 1967:
Vol. 155. no. 3769, pp. 1532 - 1535
DOI: 10.1126/science.155.3769.1532
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Articles

St. Peter and St. Paul Rocks: A High-Temperature, Mantle-Derived Intrusion

William G. Melson 1, Eugene Jarosewich 1, Vaughan T. Bowen 2, and Geoffrey Thompson 2

1 U.S. National Museum, Washington, D.C. 20560
2 Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543

St. Paul's Rocks, often postulated to be an exposure of the suboceanic mantle, consists of a wider variety of rocks than previously recognized. These perhaps crystallized at different mantle levels, and were subsequently incorporated and mylonitized in a hot but solid intrusion.


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