 | Raschke, Markus B., Anderson, Evan J. D., Van Fosson, Jason, Allaz, Julien M., Smyth, Joseph R., Škoda, Radek, Persson, Philip M., Becker, Randy (2018) Rare-earth crystal chemistry of thalénite-(Y) from different environments. Mineralogical Magazine, 82 (2) 313-327 doi:10.1180/minmag.2017.081.044 | Journal (article/letter/editorial) | | 80309, USA Department of Geological Sciences, University of Colorado, Boulder, Colorado 80309, USA Inst...of Mines, Golden, Colorado 80401, USA Yakima, Washington 98908, USA [Received 23 February 2017; Accepted...the Golden Horn batholith, Okanogan County, Washington State, USA, in comparison with new analyses from...pegmatite in the Pikes Peak batholith, Colorado, USA. The Golden Horn thalénite-(Y) occurs as late-stage...compound. Thalénite-(Y) is part of the thortveitite group (thortveitite (Sc,Y)2Si2O7, rowlandite-(Y) Y4Fe |  | | Journal (article/letter/editorial) | | 2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Sarah L. HANSON Geology Department, Adrian College... 110 S. Madison Street, Adrian, Michigan 49221, USA Alexander U. FALSTER and Karen L.WEBBER Department...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Abstract Pegmatites enriched in the rare-earth elements...xenotime-(Y), the LREE enrichment in monazite-(Ce), allanite-(Ce) and bastnäsite-(Ce), the REE enrichment in...and MOJ pegmatites contain either allanite-group or euxenite-group mineralization and can be classified |  | Maftei, Andreea Elena, Buzatu, Andrei, Damian, Gheorghe, Buzgar, Nicolae, Dill, Harald G., Apopei, Andrei Ionut (2020) Micro-Raman—A Tool for the Heavy Mineral Analysis of Gold Placer-Type Deposits (Pianu Valley, Romania) Minerals, 10 (11) 988 doi:10.3390/min10110988 | Journal (article/letter/editorial) | | discussed (garnet, kyanite, staurolite, zircon, allanite, monazite, xenotime, rutile, anatase, cassiterite...gold placers; heavy minerals; garnet; zircon; allanite; xenotime 1. Introduction Detrital heavy minerals...it is especially gold, platinum group elements (PGE), platinum group minerals (PGM), Ti minerals, zircon...it belongs to the Sebes, -Lotru variegated litho-group, which is characterized by gneisses, amphibolites...minerals: garnet, kyanite, staurolite, zircon, allanite, monazite, xenotime, rutile, anatase, cassiterite |  | Côté, Gabriel, Moukhsil, Abdelali, Constantin, Marc, David, Jean (2018) Geochemical Characterization, Geochronology, and Geodynamic Implications of Grenville Rare Earths Bearing Syenites, Haut-Saint-Maurice, QC, Canada. Minerals, 8 (8) 336 doi:10.3390/min8080336 | Journal (article/letter/editorial) | | an older, REE-bearing group associated with a volcanic arc and (2) a younger group with lower REE contents...K-feldspar inclusions. These lithofacies also contain allanite (Ce-type, [3]) and parisite (a LREE-bearing Ca-fluocarbonate)...porphyritic syenogranite is the dominant rock of the group 1. It is pink on fresh surfaces and beige on weathered...analyses of clinopyroxene, plagioclase, hornblende, allanite, carbonate, and apatite were carried out for major...microanalyses, Université Laval; Bruker, Billerica, MA, USA) equipped with a Rh tube with policapillary optics |  | | Journal (article/letter/editorial) | | depth”. We list the general characteristics of each group in turn, and explain how petrogenetic processes...a regional scale (850°C, 5–7 kbar, according to Frost et al. 2005). Anatexis involved not only the breakdown...partly molten while the silicate melt was present. Frost et al. (2005) have estimated that the sulfide melt...example of melting of an orebody is not unique. Frost et al. (2002) have listed 25 or so examples of suspected...in view of the volumetric importance of feldspar-group minerals, constitutes a fertile area of future study |  | | Book | | Canada, rynersonite, Rynerson family of San Diego County, California, sicklerite, Sickler family of Pala...Madagascar. cebollite, Cebolla Creek, Gunnison County, Colorado, doloresite, Dolores River in Colorado...Moneta, in the Caribbean Sea. scawtite, Scawt Hill, County Antrim, Ireland. vesuvianite, Mount Vesuvius, Italy...American county names are alleghanyite (Al¬ leghany County, North Carolina), inyoite (Inyo County, Califor¬...nia), sheridanite (Sheridan County, Wyoming), and sussexite (Sus¬ sex County, New Jersey). The following |  | | Book | | Author: ( ·u/lector .,· c;uide 10 the A,nphibole Group, 978-0-7643-4870-9 /11t1Dductio11 to Rudioocth•e...Guide lo the Zeolite Group. 978-0-7643-4675-0 Colll:'ctor} G11ide to the Feldspar Group, 978-0-7643-4329-2...carnotite and tyuyan1unite, followed by autun ite-group phosphates and arsenates, and silicates, pariicularly...su Ifates, carbonates, men1bers ofthe autunite group, and various uranyl silicates. In vanadiferous ores...intrusion of REE-rich pegn1atites contain ing allanite and xenotime; 3. 1novement along the shears, causing |  | | Journal (article/letter/editorial) | | common mineral in Ca-, Al-rich silicate rocks (Frost et al., 2000). Similar to zircon, relict domains...compositions of titanite in gneiss at Baihushan. 00BH21 Group Ttn-I 00BH05 No. A-3.2 A-3.5 B-4.5 Note ...unit; O = 11) from 3.221 to 3.429 (Table A6). Allanite in dioritic gneiss 00BH21 exhibits high contents...4c). Epidote in this sample occurs as the rim of allanite and as inclusions in garnet, showing rather flat...CL images, REE patterns and U–Pb ages (Fig. 10). Group I domains are all on the core, and exhibit high |  | | Book | | Saint-Hilaire pluton 36 Geology of the Poudrette quarry Miarolitic cavities in nepheline syenite Sodalite...progressed well through repeated visits to the operating quarry and collaborations with visiting professionals...chiseling away at the quarry walls. Intrigued, they later ventured into the quarry and discovered what...the search continues; their latest visit to the quarry took place in July 2018. Additions were made to... This small unassuming hill with a dusty stone quarry on its north flank, which some enthusiastic collectors |  | | Report (volume) | | a simple mineral may have turned into a complex group. A continuous update is necessary, and the “Reviews...this gap should be filled. The epidote mineral group consists of important rock-forming minerals such...geochemical important accessory minerals such as allanite, and minerals typical for rare bulk compositions...edited the last comprehensive review on this mineral group almost 20 years ago in 1986. In 1990, on the occasion...entitled “Recent advances in studies of the epidote group” that highlighted the relevance of the epidote minerals |  | | Journal (volume) | | Earth, Editorial and Design by T he Brown Reference Group pie ISBN O 7489 7935 2 NO i 07 04 18 Printed in...are often replaced by pyrite. FACT FILE PYRITE Group: Sulphides Crystal system: Cubic Habit: Cubes,...quartz rather brittle. FACT FILE ROSE QUARTZ Group: Oxides Crystal system: Trigonal Chemical formula:...CHARACTERISTICS Rose quartz is a member of the oxide group of minerals. It is an oxide of silicon, and it gets...South Africa; and Maine and other regions of the USA. Minor deposits of rose quartz can also be found |  | | Journal (volume) | | (Croatia) (Hungary) (Slovakia) (Greece) (Hungary) (USA) (Hungary) (Egypt) (Austria) (Romania) (Hungary)...(Hungary) (Hungary) (Hungary) (Croatia) (UK) (Slovakia) (USA) (Austria) (Romania) (Slovakia) (China) (Germany)...(Germany) (Poland) (Italy) (Czech Republic) (Romania/USA) (Germany) (Hungary) (Russia) (Czech Republic) (Japan)................................245 EG52 Platinum-group minerals in the new millennium....................Laboratory, Carnegie Institution, Washington DC, USA (rhazen@ciw.edu) The mineralogy of terrestrial planets |  | | Book | | Bureau of Mines, mineral dealers and miners from MT, USA, sapphire fields. The sample sets included rubies... but also from more limited sources in Montana, USA. Transitional pink sapphires from Sri Lanka and Montana...trace element results for each constituent color group were accompanied by correlation matrices that brought...polysynthetic twinning, common in sapphires. Montana, USA, sapphire and ruby suites cover a number of spaced...calculations at the Berkeley Geochronology Centre, USA. Minimum entrapment pressures for rutiles in rubies |  | | Book (edition) | | end-member. In italics are mineral group and family names, and minerals with a group or family name. Structural...approach of Smith et al., Аm. Min. 83, 126 (1998). Group, supergroup, subgroup, family, superfamily, and...M., Paris, pp. 16. Capri, L.J. (1981). Platinum-Group Elements: Mineralogy, Ceoloe,, Recovery. Сап. Institute...г\kontit = glaucodot, Dana бth. 101 (1892). Aksiпita group = axiпitc, Сhиdоhx 56 (1974). Akппit = feгronxinile...pimelite, Dana 6th. 1105 (1892). Alkali пiphiLolг group = surltc-пmphiLalс, Мгп. Л1пк. 61, 296 (1997). Alkaliapatite |
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