The pyroxene exsolutions themselves contain significant amounts of water currently present as OH in their structure. The detection of OH dissolved in P1 and P2 melt inclusions (contained in nominally anhydrous pyroxene) is evidence for an unusual level of hydroxyl incorporation in the primary ultra...
microinclusionsmorphologyKokchetavNorthern KazakhstanA representative sample of microdiamonds in calc-silicate and garnet-pyroxene-quartz rocks and gneisses from the cross section of an adit driven at the Kumdy-Kol’ deposit (Northern Kazakhstan) has been analyzed. Microdiamonds from these rocks were ...