The presently vapor-dominated Kamojang geothermal field is located in West Java (Indonesia). The field lies in high terrain, 1500 m above sea level, and is hosted by volcanic rocks. Samples from seven wells were kindly made available for this study, namely from KMJ-7, KMJ-10, KMJ-11, KMJ12, KMJ-53, KMJ-59, and CHR-1 drilled to depths ranging from 536 – 1804 m. The reservoir is hosted by interbe...

Abstract. Apatite and zircon are among the best-studied most widely used accessory minerals for geochronology thermochronology. Given that apatite often present in same lithologies, distinguishing two phases crushed mineral separates is a common task geochronology, thermochronology, petrochronology studies. Here we method efficient accurate phase identification verification using X-ray micro-co...

The Haisyn complex rocks (sobites (Shcherbakov, 2005)), consisting of diorite-like and amphibolites, which biotite granites develop, is outcroping near the village Shumyliv along South Bug river in an abandoned open pit mine (on Shumyliv). are characterized by high magnetization according to magnetic survey results. A linear anomaly extends north-east direction (NE 69º) with a distance more tha...

Abstract. A second occurrence of bobtraillite is described from the Gejiu nepheline syenite, southwestern China. The extremely rare and complex boron-bearing zirconium silicate associated with albite, orthoclase, jadeite, fluorite, andradite, titanite, as well other REE zirconium-bearing minerals, catapleiite, moxuanxueite, låvenite, eudialyte, britholite-(Ce), calcioancylite-(La). EMP LA-ICP-M...

Materials designed for nuclear waste disposal include a range of ceramics, glass ceramics and glass waste forms. Those with crystalline phases have provided the momentum for studies of minerals as a means to understand aspects of waste-form crystal chemistry, behaviour in aqueous systems and radiation damage over geological periods of time. Although the utility of natural analogue studies varie...

[1] Hydroschorlomite, a Ti-, Ca-, Fe-rich andraditic garnet present in the deepest cores of basalts (661– 749 mbsf) drilled in Hole 1256D during Ocean Drilling Program (ODP) Leg 206 (equatorial east Pacific), is reported here for the first time in oceanic crust. Detailed petrological and mineralogical studies by optical microscope, electron microprobe, scanning and transmission electron microsc...