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| xenolith from alkali basalt of Shavaryn Tsaram-1 paleovolcano (western Mongolia) F.P. Lesnov *, O.A. Koz’menko...eroded crater of Late Cenozoic Shavaryn Tsaram-1 volcano in western Mongolia. The xenolith was sampled along...and incompatible elements; alkali basalt fluids; Mongolia Introduction Mineralogy, chemistry, and petrology...spinel lherzolite xenolith from basalts of Shavaryn Tsaram paleovolcano and obtained new data on anomalous...Location map of Shavaryn Tsaram-1 volcano in Late Quaternary Tariat alkali-basalt province, after Krivonosova |
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| inclusions. СgophоtolиmiпеsceRе (77К). Liaonin Province, China. Specimen: Yana Baa. (right) Photoluminescence...crystal (about З т т across) with vacuoles. Liaonin Province, China, Specimen: Yana Bao. (left) Laser luminescence...vacuoles and mineral inclusions (10'). Liaonin Province, China. Specimen: Boo Yana. (left) Luminescence...found among the Chinese crystals from the Liaonin Province, Northeastern China (samples of these crystals...possess photoluminescence, namely, orange-yellow sapphire (padparaja). Synthetic stones can be distinguished |
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| massifs in Tuva (Russia) Naransky massif (West Mongolia) Kokpektinsky massif (South Urals, Kazakhstan)...massif (Canada) 10.11 Galmoenan massif (Koryak highland, Russia) 224 244 249 265 265 267 270 Conclusion...eclogite xenoliths occurring in the Mbuji-Mayi province (Congo) showed that diffusion of light REE from...peridotite xenoliths (Somerset Island and Saskatchewan province) (Canada) they studied the relationships between...and from inclusions of diamonds from the Akwatia province (Ghana) [Stachel et al., 1998]. The authors conclude |
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| the Wessels Mine near Hotazel in northern Cape Province, South Africa. Dan Carlson specimen; Jeff Scovil...and in microdiamond-bearing xenoliths found in volcanic rocks from the Southwest Pacific formed at temperatures...villages of Soghan and Bagha Borsch in Kerman Province, 6 Iran. The cat's-eye is caused by oriented...Mountain in the High Atlas Mountains, Khenifra Province, Meknes-Tajilalet Region, Morocco; the large,...for the first time, stones such as "emerald," "sapphire," "ruby," topaz, diamond, and garnet were valued |
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| silicate glasses and melts: From laboratory to volcanic activities......................35 AM14 Zeolites........275 EG54 Mineral deposits in terrestrial volcanic-hydrothermal systems ...........................prepare a relatively cheap mixture of perlite (a volcanic rock with intermediate composition between rhyolite...Kenya [4]. Two groups of the similar looking BGY sapphire samples from Nam Khun-Nam Yuen and from Garba...(2006) Gems Gemol., 42, 142. Fig. 1: Basaltic BGY sapphire samples from Nam Khun-Nam Yuen gem field, NE Thailand |
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| – Soprintendenza per i Beni Archeologici delle Province di Napoli e Caserta; Pl. 3 – after H. Brunn, Denkmäler... this term typically refers to diamond, ruby, sapphire, and emerald. For a given gem, only a few fine...rough gem material from Sivrihisar in Eskişehir province in northwest Anatolia. The chromian chalcedony...Geochemical Investigation on Some Garnets from Volcanic Rocks of Gorece Village-Cumaovasi, Izmir and Metamorphites...found in Karagandy Province, Kazakhstan; Balochistan and North-West Frontier Province (NWFP), Pakistan; |
 | | Report (volume) |
| formed at low temperatures, with rapidly cooled volcanic rocks, and with isotopically refractory minerals...rapid cooling associated with the formation of volcanic rocks makes it likely that any phenocryst minerals...based exclusively on the analysis of minerals in volcanic rocks. In part because of improvements in analytical...isotopic studies of bauxitization in the Tatun volcanic area, northern Taiwan. Chem Geol 68:41-56 Chiba...Deuterium fractionation as water diffuses into silicic volcanic ash. In Climate Change in Continental Isotopic |
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| 202 to 425 ppb (the upper bound has dealt with volcanic ash) with the mode of 2-3 µm and size less than...to the village of Igdi in the Guelmime-Es Smara province. The fireball lasted for several seconds and was...high-Al basalts with great diversity of pristine highland rocks ranging from ultramafic to highly evolved...component of breccia 14321 which contains different highland lithologies [3-5]. P-bearing olivine source has...and for origin of phosphates in primitive lunar highland rocks [8]. Acknowledgments: The study was supported |
