نتایج جستجو برای: titanite
تعداد نتایج: 277 فیلتر نتایج به سال:
Ophiolitic belt of Northern Sabzevar is invaded by basic, intermediate and acidic post-ophiolitic magmtism as dome, dyke and cone. Microscopically, the texture of the studied samples is porphyric and trachytic. Phenocryst mostly consists of amphibole, feldspar and clinopyroxene. All researchers that have investigated basic to acidic post ophiolitic magmatism of northern Sabzevar have consensus ...
Cosmogenic He was measured in apatite, titanite, and zircon and cosmogenic Ne in quartz at 13 depth intervals in a 2.7-m long drill core in a Miocene ignimbrite from the Altiplano of Bolivia. All three He depth profiles as well as the Ne profile attenuate exponentially with depth, indicating that both of these isotopes are cosmogenic in origin with no significant contribution from other sources...
Eleven unique core samples from the National Radioactive Waste Repository of Hungary, Bátaapáti were studied in this work. The all cross granite–concrete interface and have been drilled around 275 m depth surface, 1–15 months after concrete injection. Phase analytical techniques, optical microscopy, SEM-EDS Raman-spectroscopy used for analysis interactions between granitic rock cementitious bui...
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