 | | Journal (article/letter/editorial) | | supergroup from Fe-REE deposits of Bastnäs-type, Sweden RADEK ŠKODA1,*, JAKUB PLÁŠIL2, RENATA ČOPJAKOVÁ1...Resources, Geological Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden Department of Earth Sciences...Sciences, Uppsala University, SE-752 36 Uppsala, Sweden Department of Chemistry, Faculty of Science, Masaryk...Research Council, Box 1035, SE-101 38 Stockholm, Sweden [Received 26 January 2017; Accepted 7 June 2017;...was found in the Malmkärra mine, ∼3.5 km WSW of Norberg, south-central Sweden, where it occurs in association |  | | Report (issue) | | Z = 2 X-ray Powder Pattern: Malmkärra mine, south-central Sweden. 2.888 (100), 4.830 (72), 3.191 (52)...[0.55] . 99.52 100.00 (1) Malmkärra mine, south-central Sweden; average of 11 electron microprobe analyses...bastnäsite-(Ce), tremolite. Distribution: At the Malmkärra mine [TL], ~3.5 km west-southwest of Norberg, as well...well as at the Johanna and Nya Bastnäs mines, south-central Sweden. Name: Suffix indicates the Nd-dominant...supergroup from Fe-REE deposits of Bastnäs-type, Sweden. Mineral. Mag., 82(S1), S133-S145. (2) (2021) Amer |  | | Journal (article/letter/editorial) | | of Natural History, Box 50007, 10405 Stockholm, Sweden Abstract: All minerals having a crystal structure...hydrothermal-metasomatic skarns (Trimouns, Bastnäs, Norberg), with an age span of nearly two billion years...hydrothermal system. In the Bastnäs-type deposits in Sweden, ferriperbøeite-(Ce) and västmanlandite(Ce) formed...reactions involving Ca–Mg minerals (dolomite, tremolite) and hydrothermal fluids (T > 400 C) containing...composition contain 84% västmanlandite (from Norberg), 80% perbøeite (type specimen), 70% ferriperbøeite |  | | Journal (issue) | | is monomineralic consisting almost entirely of tremolite, whereas the poor-quality nephrite is polymineralic...Ch'unch'on). Annual production of the nephrite mine (the Daeil Mine) is reported to be approximately 80 000-90...map of nephrite mine area, Chuncheon, Korea. Occurrences The geology of the nephrite mine area consists...essentially of tremolite in the form of aggregates of minute fibres (Figure 4). Tremolite aggregates are...seen in plane polarized light, indicating that tremolite was formed by alteration of pre-existing diopside |  | | Journal (article/letter/editorial) | | (OH),. ond Pemlogy, a,89-134. Chatterjcc, N. D..Johanna, W. & Leistner. H.. 1984. The New phase equilibria...stability relative to misite. Norur~,304, 622-623. Johanna, W.. 1968. Experimental investigation of the reaction...Contriburions U, Minerabgy and Perrology, 19, 309-315. Johanna, W., 1969. An experimental investigation of the...American Journal of Science, 267, 1083-1 104. Johanna, W., 1980. Melting and subsolidus reactions in...Contributions to Mineralogy and Perrology, 74,29-34. Johanna, W., 1984. Beginning of melting in the granite |  | | Journal (issue) | | the rubies, such as tourmaline (dravite) and tremolite have also been analysed. The formation conditions...more than 200 kilometres from the classical ruby mine at Mogok (Hlaing, 1991; Jobbins, 1992; Jobbins etal...shows the separation of the larger crystals of tremolite by sieving before the rubies are washed from soil...(Figure 7a). However, direct field work at the primary mine in Mong Hsu was not possible because of security...andalusite and tremolite. 7 8 J. Gemm., 1996, 25,1 Fig. 9. Fragments of greenish tremolite from the Mong |  | | Journal (issue) | | The best-known wulfenite comes from the Red Cloud mine in Arizona, though crystals from this area are generally...mineralogist, Wtilfen. Hexagonite is a variety of tremolite (Ca2Mg5Si8022(OH)2 with Fe). It is lilac-pink...and cryptocrystalline bertrandite. In the Boomer Mine area, late-stage euclase, intergrown with quartz...north-north-east of Karoi has been examined. This mine formerly produced muscovite and the current excavations...excavations lie immediately west of one of the old mine shafts, some 500 metres south-east of Momba Farm |  | | Journal (issue) | | inclusions are uncommon but include epidote, tremolite and pyrite. As well as those of South Australia...serpentine silica = 3Ca2Mg5Si8022(OH)2 + 7H 2 0 tremolite or by reconstitution of impure sedimentary dolomite...Ca 2 Mg 5 Si 8 0 22 (OH) 2 + 3CaC0 3 + 7C0 2 tremolite calcite 203 197 Table I: Chemical analyses...approach that of the theoretical pure composition of tremolite, Si0 2 , 59.17%; CaO, 13.80%; MgO, 24.81%; H 2...to atomic substitutions normally occurring in tremolite. Accordingly, the fields of composition derived |  | | Journal (issue) | | closest fit being with tremolite. In gemmological circles, massive tremolite-actinolite rock is often...close to the iron-free end of the series, i.e. tremolite. Limitations Although the cited literature and...gems and their cultural significance. An amazing mine of information/this work is an essential reference...Scotland two sons, Hans and Anders, settled in Sweden (opening in 1998) that deals with Scotland's as...Berg, J., and Langercrantz, B., 1962. Scots in Sweden. Nordiska Museet, Stockholm 429 389 Abstracts |  | Sciarra, Alessandra, Saroni, Anna, Etiope, Giuseppe, Coltorti, Massimo, Mazzarini, Francesco, Lott, Christian, Grassa, Fausto, Italiano, Francesco (2019) Shallow submarine seep of abiotic methane from serpentinized peridotite off the Island of Elba, Italy. Applied Geochemistry, 100. 1-7 doi:10.1016/j.apgeochem.2018.10.025 | Journal (article/letter/editorial) | | stress. Clinopyroxene relics often show tremolite alteration rims and in thermometamorphosed...medium to fine grain size, often altered into tremolite. These millimetre-sized crystals seem to be arranged...the Deep Carbon Observatory. We are thankful to Johanna Wiedling and Andreas Eich from the HYDRA team for |  | | Journal (issue) | | DRC|Yellow tourmaline from Mavuco, Mozambique|Tremolite from Tanzania|Tsavorite from Ethiopia|Black star...blood ruby, royal blue and cornflower sapphire, old mine/ Muzo green emerald, sunrise and sunset padparadscha...(commonly referred to as ‘golden’): Elk Creek in Meade County, South Dakota, USA (Campbell et al., 1987; see...https://collectorsedge.com/pages/elk-creekbarite-meade-county-south-dakota). Although these deposits have been...The source of much of this pyrite is the Huanzala mine in west-central Peru, which has probably yielded |  | | Journal (issue) | | rubellite crystal, 75 mm long, from the Cruzeiro mine, Minas Gérais, Brazil. See 'The location, geology...Non-pegmatitic deposits of tourmaline include the Brumado mine (Bahia) which produces fine red uvite crystals and...Laranjeira mine (Coronel Murta). Fig. 5. Trichites in a cut rubellite from the Laranjeira mine (Coronel...of the tourmalines from the Sâo José da Batalha mine (Paraiba). Fig. 9. Cat's-eye green tourmaline cabochon...Fig. 15. Set of cut rubellites from the Ouro Fino mine, the largest weighing 5 ct (Photo: ICA/Bart Curren) |  | | Report (issue) | | initial sources of mine and prospect data. Msny existing records were updated and new mine and prospect records...area was generated. Furthermore, a data base of mine and prospect rock geochemistry (Quade and others...of the aluminosilicate deposit at the Blue Danube Mine in the Buckskin mining district (Binyon, 1946),...Bureau of Mines and Geology (NBMG) have conducted county mineral surveys (Sampson and Tucker, 1940; Ross...Jurassic arc rocks within the study area. At the Adams Mine, about 9 km northeast of Carson City, bedded gypsum |  | | Journal (issue) | | where found in large deposits, such as in the copper mine at Rio Tinto in south-western Spain, it is still...back facets. Five diamonds from the Kelsey lake Mine , Colorado, and a 'Star of David' twinned macle...Belchat6w Tertiary brown coal and j arosz6w clay mine) have been investigated, using positron annihilation...site close to the village of Unionville, Chester County, Pennsylvania, USA. Details of the occurrence,...artefacts were found to be manufactured from tremolite Yu or bowenite Yu (the latter mainly antigorite |  | | Journal (issue) | | RUBY Persian: lot; HINDU: manik? or lal. T h e mine of this gem was not discovered until after a sudden...are greatly incommoded by water filtering into the mine from above, and by the smoke from their lamps, for...Gharan, a place the name of which is said to signify 'mine: sixteen miles [26 km] below the town of Barshar...situ collecting has been done at the Badakhshan mine, and little in Burma, it is impossible to say whether...not known if the mine that produced these specimens is the same as the Badakhshan mine described above |  | | Book | | Stripasen, Tallgrube, Malmkarra u.a.Gruben) ...Norberg ............12G S V ........ 101 Salas Silbergruben...106 Erzgruben bei Vigelsbo (Vigelsbo-,Rorberg-,Johanna- und Karlsgruben, Randesbo-Grubenfeld).Osthammar...gebiet und var allem gleich zu dessen bedeutendster Mine, der Vretgruva n. Westlich und sudlich davon liegen...Sommer 1 996 konnten in kurzer Zeit alle ■ (7 1 ) NORBERG$ GRUBEN LAGE UND ZUGANG Dieser wohl alteste aller...meist quarzporphyrische Natronleptite bilden bei Norberg einen SW-NO streichenden Gurtel, der im SO von |  | | Journal (article/letter/editorial) | | calcitic and dolomitic marbles the parageneses tremolite misite and colourless mica + quartz + Mg-rich...high pressures are indicated by the presence of tremolite+zoisite (Franz & Spear, 1983). In the mica schists...absence of forsterite in ultramatic rocks (Evans, Johanna, Oterdoom & Trommsdorff, 1976), never containing...observed in Mg-rich types. In ultramafic rocks tremolite was decomposed into antigorite carbonate and/or |  | | Journal (issue) | | educational booklet issued by the (then) London County Council, to see where German classes were held...pegmatite mine; Marambaia Valley aquamarine and chrysoberyl mines; Golconda feldspar pegmatite mine; Hematita...alexandrite and Belmont emerald mines; Capâo topaz mine. The papers read are listed below, broadly in the...(Portugal). A new emerald deposit in Zimbabwe 'Machingwe Mine'. Jobbins, E.A., Scarratt, K., and Harding, R.R...concentrate on a moving belt at the Belmont emerald mine near Itabira, Minas Gérais, Brazil. Becker, G. |  | | Journal (issue) | | and China. Eleven single crystals from Heffernan's mine, Torrington, New South Wales, Australia, five from...Locality Sample numbers Australia: Heffernan's mine, Torrington, NSW Size Colour Morphology 1-11...a representative beryl crystal from Heffernan's mine, and Figures 2a, b and c are DICM photographs at...spirals on (0001) face. Sample No. 6, Heffernan's mine, Torrington, NSW, Australia. Bar 1 mm. Observations...{1010} faces of beryl crystals from Heffernan's mine are characterized by elongated hillocks parallel |  | | Journal (issue) | | Asia Asia... . .. 1770-1779, published in Uppsala, Sweden, 178893. He briefly describes four non-gem minerals...in 1690. Thunberg's collection was dispatched to Sweden and formed the basis for his monumental Florajaponica...including Sir Joseph Banks (1743-1820). He arrived in Sweden in 1779 and in 1781 was appointed demonstrator...large rubellite crystals were found in the pegmatite mine at Sakangyi. Furthermore, Bauer (Spencer transi...painted in 1808, now in the University of Uppsala, Sweden. Courtesy Dr. Kurt Boström. 466 (Licuala) leaves" |  | | Book | | GeoBiosphere Science Centre, Lund University, Lund, Sweden P. Eilu Geological Survey of Finland, Espoo, Finland...Kuopio, Finland P. Heino Yara Suomi Oy, Siilinjärvi Mine, Siilinjärvi, Finland R.J. Herrington The Natural...US T. Huhtelin QP-FRB Outokumpu Ferrochrome Kemi Mine, Kemi, Finland E. Hyvönen Geological Survey of Finland...Survey of Finland, Rovaniemi, Finland, Mustavaara Mine Ltd, Oulu, Finland J. Kinnunen Mawson Resources...Oulu, Finland Contributors T. Mäki Pyhäsalmi Mine Oy, Pyhäsalmi, Finland H.V. Makkonen Geological |  | | Journal (issue) | | relics of late Neolithic Age, located in Yongjing County, Gansu Province, China. This indicates a mining...Yungaisi, Figure 4: Turquoise Yunxian Yunxian County, County,Hubei. Hubei. Figure 2: Turquoise Turquoise...the Wudangshan terrain (Yu Gai Si Mine and La Ba Shan Mine). Mine). On the whole, the turquoise deposits...Ametrine, amethyst and citrine come from the La Gaiba mine in eastern Santa Cruz department. The sodalite deposit...best cassiterite specimens come from the Viloco mine near Araca in La Paz department. Crystals from |  | | Journal (issue) | | an almost monomineralic rock, occurring as a tremolite-amphibole type, nephrite (or nephrite jade) or...amphibole of the tremolite-actinolite series, with the highest quality types close to tremolite [Ca2(Mg,Fe)5...development of an interwoven ‘felted’ fabric of the tremolite crystals. This toughness can vary slightly with...with the metamorphism/shearing that created the tremolite fabric. terrannes (Dun Mountain-Maitai, Caples...(>100 ppm) components implies that any nephrite tremolite formed in a metasomatic reaction zone would acquire |  | Yount, J.C., Schermer, E.R., Felger, T.J., Miller, D.M., Stephens, K.A. (1994) Preliminary geologic map of Fort Irwin basin, north-central Mojave Desert, California. Open-File Report Vol. 1994 (94-173) US Geological Survey doi:10.3133/ofr94173 | Report (issue) | | gray impure marble containing garnet, micas, tremolite, sphene, phlogopite, olivine, or pyroxene; clean...Michael D. Carr helped decipher metamorphosed rocks. Johanna S. Fenton expertly converted field data into GIS...of the Alvord Mountain quadrangle, San Bemardino County, California: U.S. Geological Survey Bulletin 1089-A...California and southwestern Arizona: San Bernardino County Museum Special Publication 92-1, p. .32. Garfunkel...California and southwestern Arizona: San Bernardino County Museum Special Publication 92-1, p. 54-57. Luyendyk |  | | Journal (issue) | | October 2013 that reportedly came from the Tantara mine in Katanga District. They processed 11 kg of the...was discovered in Bisbee, Arizona, USA (Shattuck mine) as a pseudomorph after malachite (Schaller, 1915)...tourmaline pebbles (1.73 and 1.75 g) are from a new mine at Maraca, Mozambique, which is situated near the...Kroeker S., 2008. Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: II. Zoning and crystal...entered into an exclusive selling agreement with the mine owner. The material reportedly was produced from |
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