Abstract
IN a preliminary report1 of a recent study of the morphology of the Mid-Atlantic Ridge about 22° N. latitude, attention was directed to the dredging of a suite of greenstones from the western face of the central valley. Although similar rocks have been recently reported from the Carlsberg Ridge2 in the Indian Ocean, rocks of this type have not been previously recorded from the Mid-Atlantic Ridge. Preliminary petrographic examination and chemical analysis of the Mid-Atlantic Ridge greenstones justify the present interim report.
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References
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MELSON, W., BOWEN, V., VAN ANDEL, T. et al. Greenstones from the Central Valley of the Mid-Atlantic Ridge. Nature 209, 604–605 (1966). https://doi.org/10.1038/209604b0
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DOI: https://doi.org/10.1038/209604b0
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