 | Franz, G., Hippler, D., Rhede, D., Wirth, R., Banerjee, D. M., Mahlstedt, N. (2014) Diagenetic formation of interlayer-deficient fluorophlogopite as a clay mineral in Early Cambrian phosphorite (Lesser Himalaya, India): The trioctahedral analog of illite. American Mineralogist, 99 (11) 2353-2368 doi:10.2138/am-2014-4852 | Journal (article/letter/editorial) | | Berlin, Germany 2 Deutsches GeoForschungsZentrum Potsdam, Telegrafenberg, D 14473 Potsdam, Germany 3 Department...of K-Ar-age determinations on clay minerals in Lower Cambrian, Cretaceous, and Miocene sediments also...shales, and pyrite-bearing phosphorites of the Lower Tal Formation (ChertPhosphorite Member; Banerjee...From the metamorphic graphite deposit Kropfmühl, Bavaria (Germany) Weiss et al. (1956) described brownish...they called trioctahedral illite together with batavite, vermiculite, and biotite. They determined the |
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