In 1921 during a geological reconnaissance in the Republic of Haiti, undertaken by the Haitian government in cooperation with the United States Geological Survey,2 Dr. J. S. Brown and the writer collected a cobble of a peculiar amygdaloidal basalt from the bed of the Limbé River at Limbé in northern Haiti; the basalt was not greatly unlike many of the older basaltic rocks of this region, but the amygdules were very noticeable and abundant, most of them being lined with white albite and the central part filled with greenish-yellow iron rich epidote and a deep bluish-green mineral which did not agree with any described species, but was considered from its crystal properties as probably belonging to the epidote group.3

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