Ankaramite
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Template:Short description Script error: No such module "Infobox". Ankaramite is volcanic rock type of mafic composition. It is a dark porphyritic variety of basanite containing abundant pyroxene and olivine phenocrysts.[1] It contains minor amounts of plagioclase and accessory biotite, apatite, and iron oxides.
Its type locality is Ankaramy in Madagascar. It was first described in 1916.[1] It is also found in the Sierra de Guanajuato of Central Mexico,[1] the South Pacific on islands such as Tahiti, Rarotonga, Samoa and in the Zealandia, Alexandra Volcanic Group.[2]
References
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- ↑ a b c https://dialnet.unirioja.es/descarga/articulo/281059.pdf Script error: No such module "webarchive". Luis Enrique Ortiz Hernández, An Arc Ankaramite Occurrence in Central Mexico, Revista Mexicana de Ciencias Geológicas, volumen 17, número 1 2000, p. 34-44
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