 | | Journal (issue) | | • Email: info@kristalle.com Harz Mountains, Germany by Günter Grundmann Thomas P. Moore Wendell E... Moore COVER: PROUSTITE, 3.5 cm, from St Andreasberg. Germany, found in 1899; ex collection of Richard... Contents The St. Andreasberg Mining District, Western Harz Mountains, Niedersachsen, Germany .............(Simonin, 1869). The Mining District Western Harz Mountains Niedersachsen, Germany Günter Grundmann Eschenweg...minrecord@comcast.net The geographically tiny St. Andreasberg District of silver mines has an outsized reputation: |  | | Book | | Vienna. Lower left: Cobaltocalcite group. from Lerida. Spain. Folch collection. Barcelona. Lower right:...Netherlands. Back cover The museum ldar-Oberstein. West-Germany. is quaintly situated beneath the Felsenkirche...Copyright 1986 by . Ulrich Burchard, Lalling, West-Germany All rights reserved including the right of reproduction...Printed in Germany Miscellaneous: Design & Lay Out by Rainer Bode, Haltern, West-Germany Type set by...Wurzburg, West-Germany Colour separations by Litho Thungen GmbH, Thungen, West-Germany H. Bari, Musee |  | | Report (issue) | | CT Concept & Design Maximilian Glas, Starnberg, Germany English Edition © 2003 by Lapis International,...Leiping mine, Guiyang County, Hunan, China. Collection Frederic Escaut; photo Jeff Scovil Front lower: View...left: A perfect 5 cm wide calcite twin on (0001} from St. Clair Lime quarry, Sequoyah County, Oklahoma. Collection...California State Mining Museum; photo Jeff Scovil Back lower left: 6.2 cm high specimen of calcite and malachite...Collection Victor Yount; photo Jeff Scovil Printed in Germany Licensed edition in the English language of extraLapis |  | | Journal (article/letter/editorial) | | from fluid inclusions Quebec, Canada: IAINM. SAMSON,’WEINING LIU,’ and ANTHONY E. WILLIAMS-JONES’ ‘Department...variety of trapped solids, including calcite, strontianite, nahcolite, and mirabilite. Microthermometry...Bond zone. the Manny zone, and the Mine (Fig. I963 1964 I. M. Samson. sIIIIlalnoite & alnoite breccia...Sciences of McGill University. Samples from the Mine were collected from open pit walls and from spoil...samples which probably came from the underground mine and whose exact locations are not known. There is |  | Giebel, R. Johannes, Gauert, Christoph D.K., Marks, Michael A.W., Costin, Gelu, Markl, Gregor (2017) Multi-stage formation of REE minerals in the Palabora Carbonatite Complex, South Africa. American Mineralogist, 102 (6) 1218-1233 doi:10.2138/am-2017-6004 | Journal (article/letter/editorial) | | University, Wilhelmstrasse 56, 72076 Tübingen, Germany Department of Geology, University of the Free State...Geological Survey of Saxony-Anhalt, Köthener Str. 38, 06118 Halle (Saale), Germany 4 Department of Geology...carbocernaite cordylite-(Ce) dolomite parisite-(Ce) strontianite synchysite-(Ce) barytocalcite Abbr. Formula...(Figs. 6a–6c) and is associated with fluorite, strontianite (Fig. 6d), or ancylite (see below). These rods...type is frequently intergrown with magnetite or strontianite and contains inclusions of thorianite and rarely |  | Cangelosi, Delia, Broom-Fendley, Sam, Banks, David, Morgan, Daniel, Yardley, Bruce (2020) Light rare earth element redistribution during hydrothermal alteration at the Okorusu carbonatite complex, Namibia. Mineralogical Magazine, 84 (1) 49-64 doi:10.1180/mgm.2019.54 | Journal (article/letter/editorial) | | baryte, celestine, strontianite and witherite. Hydrothermal calcite has a much lower trace element content...fluorite for the production of HF; currently the mine is in care and maintenance. Fluorite mineralisation...collected from the Okorusu Fluorite Mine in October 2015. The mine comprises several pits (outlined in... and does not contain inclusions of baryte, strontianite or other sulfates or carbonates. Clinopyroxenes...to < 10 µm for the least altered samples) of strontianite, witherite, parisite, baryte, celestine and |  | Prokopyev, Ilya, Kozlov, Evgeniy, Fomina, Ekaterina, Doroshkevich, Anna, Dyomkin, Maxim (2020) Mineralogy and Fluid Regime of Formation of the REE-Late-Stage Hydrothermal Mineralization of Petyayan-Vara Carbonatites (Vuoriyarvi, Kola Region, NW Russia) Minerals, 10 (5) 405 doi:10.3390/min10050405 | Journal (article/letter/editorial) | | ancylite-dominant magnesiocarbonatites with ancylite–baryte–strontianite–calcite–quartz (±late Ca–Fe–Mg carbonates) ore...Ancylite-dominant magnesiocarbonatites with ancylite–baryte–strontianite–calcite–quartz (±late Ca–Fe–Mg carbonates) ore...as well as Sr removal with the formation of strontianite at a distance [16]. The conditions in which...Magnesiocarbonatites, consisting of dolomite and ancylite–strontianite–baryte pseudomorphs after burbankite. These...baryte) and ancylite-dominant (ancylite–baryte–strontianite–calcite–quartz ± late Ca–Fe–Mg carbonates; “ancylite |  | | Journal (article/letter/editorial) | | India: the R. W. KENT ETAL. southeastern Raipur district of Madhya Pradesh (diamond-bearing diatremes at...at Bellsbank and Newlands in the Barkly West district, Cape Province, South Africa (see Mitchell, 1995...Sr-Mn-Fe dolomites, minor witherite, ancylite, strontianite, norsethite Common, secondary Rare groundmass...ankerite, Fe-dolomite, minor calcite, Sr-witherite, strontianite, alstonite Common, secondary Common to rare...assemblage o f carbonates (calcite, ferroan dolomite, strontianite, breunnerite, strontian witherite). The DAIR |  | | Journal (article/letter/editorial) | | precipitated an assemblage of anhedral crystals: strontianite, carbocernaite, barytocalcite, barite and norsethite...(in phoscorite) (Aldous, 1986; Ting et al., 1994; Samson et al., 1995; Bühn and Rankin, 1999; Williams-Jones...∼ 20 nA and a 10–15 μm spot beam diameter. The lower detection limits were estimated as three times the...enclosed within apatite (Fig. 3b). Crystals of strontianite, monazite-(Ce) and barite often occur in close...carbonatite. Anhedral patches of ancylite and strontianite occur within dolomite crystals (a) and along |  | | Journal (article/letter/editorial) | | fluid inclusions from Oka, Quebec, Canada IAIN M. SAMSON,’A. E. WILLIAMS-J• NES,~and WEINING LIU’ ‘Department...significant concentrations of Na, K, and Cl and lower concentrations of Fe, Mg, and probably Ca. Energy-dispersive...development of K-feldspar in the fenites requires lower NaCl/KCl ratios and higher silica activities in...on carbonatites, little information 1979 I. M. Samson. A. E. U‘illiams-Jones. 1980 two composite rings...evolved from the crystallizing carbonatitic magma (Samson et al., 1995 ). Apatite crystals are typically |  | | Journal (article/letter/editorial) | | inclusions suggest that they comprise, calcite, strontianite, ankerite, arcanite (K2SO4), albite, K-feldspar...K-Feldspar have salinities of 7 wt.% NaCl eq. or lower. The carbonic phase of VL and LLV inclusions is...+ K and high S/S + Cl ratios, albeit higher and lower, respectively, than those of LVS inclusions, but...pressures < 2 kb, LV (ap) inclusions were trapped at lower temperature and LV (qtz) inclusions were trapped... 1990; Bailey and Hampton, 1990; Morogan 1994; Samson et al., 1995a,b). However, there has been relatively |  | | Journal (article/letter/editorial) | | oxymica associated with sugilite from the Wessels Mine, South Africa: Crystal chemistry and 40Ar-39Ar dating...found in a silicate-rich sample from the Wessels mine, Kalahari manganese field, South Africa. The mineral...previously been reported only from the oxidized lower-greenschist facies stratiform manganese deposit...deposit of submarine exhalative origin of the Hoskins mine in New South Wales, Australia (Ashley 1986; Eggleton...Mn-rich minerals occurring in pockets in the Wessels mine, Kalahari Mn field, South Africa (e.g., Cairncross |  | Broom-Fendley, Sam, Wall, Frances, Spiro, Baruch, Ullmann, Clemens V. (2017) Deducing the source and composition of rare earth mineralising fluids in carbonatites: insights from isotopic (C, O, 87Sr/86Sr) data from Kangankunde, Malawi. Contributions to Mineralogy and Petrology, 172 (11) doi:10.1007/s00410-017-1412-7 | Journal (article/letter/editorial) | | REE2O3, comprise assemblages of monazite-(Ce), strontianite and baryte forming hexagonal pseudomorphs after...fluids. Carbon and oxygen isotope ratios of strontianite, representing the REE mineral assemblage, indicate...or monazite, commonly in an assemblage with strontianite and baryte. Partial replacement of burbankite...rock components. For this, we have analysed strontianite, which occurs as part of the REE pseudomorph...hill, some 200 m above the surrounding plain, with lower slopes composed of fenitised and, locally, brecciated |  | Broom-Fendley, Sam, Brady, Aoife E., Wall, Frances, Gunn, Gus, Dawes, William (2017) REE minerals at the Songwe Hill carbonatite, Malawi: HREE-enrichment in late-stage apatite. Ore Geology Reviews, 81. 23-41 doi:10.1016/j.oregeorev.2016.10.019 | Journal (article/letter/editorial) | | (L)REE mineral assemblage of synchysite-(Ce), strontianite and baryte. Finally, late-stage Ap-4 is associated...concentration of all the analysed apatite types, but lower U, Th and Na (Tables 2 and 3; Fig. 3). It is strongly...Zircon Pyrochlore Nb-rutile Pyrite Hematite Strontianite Barite Synchysite-(Ce) Parisite-(Ce) Fluorite...Kfsp, K feldspar; syn, synchysite-(Ce) str, strontianite; hm, hematite; rtl, rutile; xnt, xenotime-(Y);...a REE distribution similar to Ap-0, but with a lower LREE concentration, no Eu anomaly and a negative |  | Nadeau, Olivier, Cayer, A., Pelletier, M., Stevenson, R., Jébrak, M. (2015) The Paleoproterozoic Montviel carbonatite-hosted REE–Nb deposit, Abitibi, Canada: Geology, mineralogy, geochemistry and genesis. Ore Geology Reviews, 67. 314-335 doi:10.1016/j.oregeorev.2014.12.017 | Journal (article/letter/editorial) | | Geodynamics, Montreal, Canada c Ressources Géoméga, St-Lambert, Canada SC RI a NU Keywords : Carbonatite-hosted...limits of detection were around 3000 ppm for REE and lower for other major elements. Attempts to analyze the...carbonates such as calcite, dolomite, ankerite, strontianite and witherite. This second facies of SiC contains...(Ca-bearing norsethite?), calcite, barytocalcite, NU strontianite, fluorite, REE carbonates and fluorocarbonates...contain major amounts of dolomite, ankerite, strontianite, witherite and barytocalcite and minor to trace |  | Liu, Yan, Chen, Zhenyu, Yang, Zhusen, Sun, Xiang, Zhu, Zhimin, Zhang, Qichao (2015) Mineralogical and geochemical studies of brecciated ores in the Dalucao REE deposit, Sichuan Province, southwestern China. Ore Geology Reviews, 70. 613-636 doi:10.1016/j.oregeorev.2015.03.006 | Journal (article/letter/editorial) | | celestite + pyrite + muscovite + bastnäsite + strontianite). Argon (40Ar/39Ar) dating of hydrothermal muscovite...celestite + pyrite + muscovite + bastnäsite + strontianite, primary in the No. 3 orebody) and ore grades...1998; Zhang and Xie, 1997), potassic igneous rock district (Guo et al., 2005), and carbonatite–alkalic complex...pyrite + muscovite + fluorite + bastnäsite + strontianite (Fig. 9A and B). The No. 1 and No. 3 orebodies...celestite + pyrite + muscovite + bastnäsite + strontianite), altered carbonatites and syenites in the No |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Is. (island), Vole. (volcano), Penin. (peninsula), St. (Saint), Ste. (Sainte). Recent developments in many...tint. R = 35 %. VHN = 26-61. Rare at etc. at Mont St-Hilaire. Quebec. CM 32. 843-854, Georgetown, Clear...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | | Book | | composition into an opaque amorphous mass with much lower properties, such as refractive index and specific...significantly reduced 18O content (down to <10%), much lower than the 18O composition of the solution after reaction...the apatite, with the presence of NaF producing a lower nucleation density, larger crystals and coarser...to end member FAP, whereas samples reacted with lower F content are probably replaced by hydroxy-FAP (Ca10(PO4)6OHxF2x)...between calcite and hydroxyapatite (13.4%) is lower than between calcite and FAP (14.7%). The replacement |  | | Journal (issue) | | from the former Soviet Union. Contact with me in St. Marie, Munchen or by post: ARC DE SANT Mаr1i 79...calcite; crystal aggregates 15 cm in size. Vеrklinii Mine, Dabugorsk, Pпmorskii Krai, Russia. Specimen: V...northupite (?), rhodochrosite (!х1), siderite (!х1), strontianite (!х1), thermonatrite, trona (?), vaterite (... 5 х.3 ст. @ 4. SГronlianile on сalcite. Саре of St. 'ha near Feodo.siya. Needle crystals up to 15 т...clays of the Maikop series o f the Upper Oligocene—Lower Miocene. These clays lie as relics on Middle Eocene |  | | Journal (article/letter/editorial) | | followed by a sulfide stage. Barite, calcite, and strontianite appear homogeneous in back-scattered electron...production came entirely from the Mountain Pass mine (California), which provided ~4% of the world’s...Yanshanian subalkaline complex, which is also in this district, comprises dioritic porphyry, syenite, syenitic...5c–e), REE-bearing apatite (Figure 5g), and Ca-strontianite (Figure 5g,h) contents. The main gangue minerals...sphalerite; barite overprinted by monazite. (h) Ca-strontianite and barite in equilibrium with calcite. (i) |  | | Book (volume) | | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). PRECIOUS The Precious Stones. Precious others...like will the is light quartz from the lower jour setting, a are at on quartz all much... or viewed from a) below, b) of portion lower is colour made or be in the in cut of at...cutting may simply cut so stones form while the lower frequently most diamonds of cutting frequently...hollowed out The vacant. man form the on left Germany with to be have posture greater a window |  | | Book (edition) | | Affiliation/Address Luzerner Str. 10-12, D-12205 Berlin, Germany – Freie Universität Berlin, FB Geowissenschaften...Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Bundesanstalt für Geowissenschaften und Dr. Frank...Stilleweg 2, D-30655 HanDr. Thomas Oberthür nover, Germany Dr. Thomas Kenkmann Museum für Naturkunde der ... zu Berlin, Invalidenstr. 43, D-10115 Berlin, Germany Prof. Dr. Robert Marschik & Ludwig-Maximilians...Rieger cengeologie, Luisenstr. 37, D-80333 München, Germany Dr. Thomas Seifert TU Bergakademie Freiberg, Institute |  | Walter, Benjamin F., Steele-MacInnis, Matthew, Giebel, R. Johannes, Marks, Michael A.W., Markl, Gregor (2020) Complex carbonate-sulfate brines in fluid inclusions from carbonatites: Estimating compositions in the system H2O-Na-K-CO3-SO4-Cl. Geochimica et Cosmochimica Acta, 277. 224-242 doi:10.1016/j.gca.2020.03.030 | Journal (article/letter/editorial) | | Karlsruhe, Germany Eberhard Karls University Tübingen, Wilhelmstr. 56, 72074 Tübingen, Germany c Dept....Geowissenschaften, Ernst-Reuter-Platz 1, D-10587 Berlin, Germany e University of the Free State, 250 Nelson-Mandela-Drive...found in carbonatites from the Kaiserstuhl (SW Germany), and a simple numerical model to estimate the...Technology, Adenauerring 20b, 76131 Karlsruhe, Germany. E-mail address: b.walter@kit.edu (B.F. Walter)...from a well-studied carbonatite (Kaiserstuhl, SW Germany) in order to characterize the diversity of fluid |  | | Journal (article/letter/editorial) | | were originally described by Bose (1884) from the Lower Narbada Valley of India, but it was not until the...been made by Gittins et al. (2005). Allowing a lower limit of 30 vol.% carbonate rather than 50 vol.%...in these veins: Sr-rich calcite with exsolved strontianite, siderite, ankerite, dolomite, synchysite-(Ce)...The carbonatites contain: strontian calcite, strontianite, celestine, barite, fluorite, and diverse REE...intergrowths of Sr-rich calcite, barytocalcite, strontianite, witherite, ancylite, burbankite, olekminskite |  | Edahbi, Mohamed, Plante, Benoît, Benzaazoua, Mostafa, Kormos, Lori, Pelletier, Mia (2018) Rare Earth Elements (La, Ce, Pr, Nd, and Sm) from a Carbonatite Deposit: Mineralogical Characterization and Geochemical Behavior. Minerals, 8 (2) 55 doi:10.3390/min8020055 | Journal (article/letter/editorial) | | are often stored on surface. This disposal of REE mine wastes represent serious environmental concerns...literature such as in Malaysia, USA, and China [14]. REE mine wastes contain various contaminants such as metals...thorium) [6,24]. For example, the Mountain Pass mine produced approximately 3000 L/min of wastewater...containing thorium and uranium, while Bayan Obo mine after 40 years has produced an 11 km2 of tailings...are significant knowledge gaps about REE-bearing mine wastes, particularly in terms of their reactivity |
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