Crystal chemistry and Raman spectroscopy of the johnbaumite–hydroxylellestadite mineral series and associated As- and B-bearing minerals from a pyrometamorphic xenolith of the Upper Chegem Caldera, North Caucasus, Kabardino-Balkaria, Russia
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DOI: 10.1180/mgm.2024.87
Abstract: Abstract A calcium-silicate xenolith (no. 11) from the ignimbrite of the Upper Chegem Caldera in Kabardino-Balkaria, Russia, has revealed a diverse mineral assemblage with As- and B-bearing phases from the apatite supergroup such as the… read more here.
Keywords: spectroscopy; chemistry; xenolith; upper chegem ... See more keywords