 | | Journal (article/letter/editorial) | | from the Mesoproterozoic Itremo Group (Central Madagascar) Giulio Morteani and Dietrich Ackermand With...Mesoproterozoic quartzite of the Itremo Group (central Madagascar) and discusses the genesis of the protolith as...shallow continental shelf environment. Lazulite, augelite, trolleite, svanbergite, goyazite, crandallite...thermal springs. Using textures, stability data for augelite, trolleite, berlinite, lazulite, scorzalite, dumortierite...sand in a shallow continental shelf environment, ii.) chemical precipitation of phosphates and of phosphorus-rich |  | | Journal (article/letter/editorial) | | occurrence at the American Progress mine, Bare Mountain district, Nye County, and from an undisclosed locality...quartzite on Vitrefax Hill in the Cargo Muchacho district, Imperial County, and from Markleeville, Alpine...in unusually fine specimens include arrojadite, augelite, collinsite, fluorapatite, childrenite, gorceixite... Lazulite specimens are reported from several Madagascar localities. It occurs in quartz veins cutting...Itremo Group at a number of localities including Analambano in the BetafoAntsirabe region and in quarries |
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