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Published online by Cambridge University Press: 01 May 2009
THE interesting rock-type hornblendite occurs at the Vavasour Mine, though it has only a very small development. It covers an area of about 600 square feet and is cut by two of the apatitemica veins, which are so numerous at this locality. The rock was incorrectly marked amphibolite on the map in Guide Book 3, International Geological Congress, xii, 1913, facing p. 112.