 | | Journal (article/letter/editorial) | | discovered, delineated and 62 developed in Mali, Mauritania, Senegal, Burkina Faso, Ghana and Cote dâIvoire...continue 224 westwards beneath the younger Senegal-Mauritania basin. A major basin controlling, NW- 225 trending...east-west for 800 km from the Western Sahara and Mauritania to Algeria. The 237 basin contains largely...000 km2. It 243 extends from north-western Mauritania to southwest Guinea-Bissau. The basin contains...presence of the volcanic rocks in 247 the Dakar region indicates that magmatic activity, with concomitant |  | Dobrovolâskaya, M. G., Genkin, A. D., Bortnikov, N. S., Golovanova, T. I. (2008) Unusual sphalerite, chalcopyrite, and stannite intergrowths at tin deposits. Geology of Ore Deposits, 50 (1) 75-85 doi:10.1134/s1075701508010042 | Journal (article/letter/editorial) | | 83â94. Unusual Sphalerite, Chalcopyrite, and Stannite Intergrowths at Tin Deposits M. G. Dobrovolâskaya...intergrowths of sphalerite, chalcopyrite, and stannite have been described in two samples from the St...high-temperature solid solution with formation of a Zn-stannite matrix, chalcopyrite lamellae, and rounded drop-shaped...sphalerite. At the Sinancha deposit, the rare myrmekite stanniteâ sphalerite intergrowths are interpreted as eutectic...some PbâZn deposits, sphalerite and stannite, chalcopyrite and stannite, and these three sulfides together |  | | Journal (article/letter/editorial) | | Prescimone1, Fabian Brunner1, Edwin C. Constable1, Catherine E. Housecroft1 1. Department of Chemistry, University...literature, and it suggests that it shows the stannite type structure (space group ) [4] In contrast...Cu+, Zn2+and Ge4+ and consequently kesterite and stannite is not possible using X-ray diffraction due to |  | | Journal (article/letter/editorial) | | minerals. The tin is contained in cassiteriteand stannite;the latter quite abundant in places. The silver...sulphidezone. This changeis characterizedby an increasein stannite,a decreasein cassiterite,more abundantchalcopyrite...decreasingcassiteriteand increasingpyrite and stannite. Detailed Mineralo#y.--Detailed field observations...Clark of Drury College, Missouri, and to Mary Catherine Trueblood Evans for helpful criticism. The author |  | Evrard, Catherine, Fouquet, Yves, MoĂ«lo, Yves, Rinnert, Emmanuel, Etoubleau, JoĂ«l, Langlade, Jessica AimĂ©e (2015) Tin concentration in hydrothermal sulphides related to ultramafic rocks along the Mid-Atlantic Ridge: a mineralogical study. European Journal of Mineralogy, 27 (5) 627-638 doi:10.1127/ejm/2015/0027-2472 | Journal (article/letter/editorial) | | the Mid-Atlantic Ridge: a mineralogical study CATHERINE EVRARD1,2,*, YVES FOUQUET1, YVES MOEÌLO3, EMMANUEL...investigation suggests that most of Sn is carried by stannite micro-inclusions in sulphides. According to the...low-temperature sphalerite, contributes to the formation of stannite, as micro-inclusions in the replacement front;...analysis; Raman micro-spectroscopy; chalcopyrite; stannite; keÌsterite; sphalerite; solid solution. ultramafic... for 1 atom of Sn in a sulphide mineral, like stannite, Cu2(Fe,Zn)SnS4. This accumulation of Sn (ca. |  | | Journal (article/letter/editorial) | | stratification on water quality âSophie Denimal, Catherine Bertrand, Jacques Mudry, Yves Paquette, Magalie...dioxideâDaniel E. Giammar, Robert G. Bruant, Jr., and Catherine A. Peters Experimental evaluation of mixed fluid...dataâAnne-Sylvie AndrĂ©-Mayer, Laurent Bailly, Catherine Lerouge, Alain Chauvet, Jacques Leroy, and Ăric...of copper atoms in minerals of the stannite group, kuramiteâstannite seriesâI.M. Kulikova, T.L. Evstigneeva...primitive island arc volcanism in the Caribbean regionâStephen E. Kesler, Ian H. Campbell, and Charlotte |  | | Journal (article/letter/editorial) | | ± W ore deposits of the western Variscan Belt CATHERINE LEROUGE1,*, ERIC GLOAGUEN1,2, GUILLAUME WILLE1...Sn)4ĂŸ depending on Fe valence state. SulïŹdes (stannite, chalcopyrite, pyrite, arsenopyrite and sphalerite)...bornite), copper-tin sulïŹdes (chalcostannate group, stannite), tin oxides (cassiterite) (e.g., Seifert & Sandmann...1989). The stockwork ore type also contains minor stannite, molybdenite, chalcopyrite, arsenopyrite and sphalerite...roquesite; Bmt, bismuthinite; Bi, native bismuth; Stn, stannite; Wolf, wolframite. Cornwall (England) St Agnes |  | | Journal (article/letter/editorial) | | shale to almost pure dolomite with a maximum in the region of strongly argillaceous dolostone. Some specimens...this mineral inverts to quartz in this temperature region (KENNEDY 1950). The presence of soft, low-reflecting...Bournonite Boulangerite Tetrahedrite Geochronite Stannite Meneghenite Chalcopyrite Greenockite Jamesonite...in a mixture of very fine-grained precipitates. Stannite and tetrahedrite are commonly dispersed throughout...and geochronite, are frequently inter- Fig. 11. Stannite marking the deformation of sphalerite D. D. H |  | | Journal (article/letter/editorial) | | Soucekite, (abstr) new nineral f068 Spain, sphalerite-stannite ROSSI, c. see MAZZT, F. s e e M U N N o ,R ....1 0 3 1 Sphalerite 797 and Se l22O Sphalerite-stannite series 1fL9 New Zealand Tinzenl-te, 631 in kjrberlite...Sanders) (abstr) 811 new nineral Tonichite, L22Q Stannite-sphalerj,te series in Carolina Topaz composltion...as studied by Mdssbauer spectroscopy.... ......Catherine A. McCammon and Roger G. Burns Variation of refractive...discontinuous solid-solution series:sphalerite-stannite .....L S. Oen,P. Kager and C. Kieft Formation |  | | Journal (article/letter/editorial) | | (IGME), RĂos Rosas 23, 28003 Madrid, Spain AND CATHERINE GREENFIELD Department of Earth Science and Engineering...excellent exposure of a wolframite-cassiterite-stannite-arsenopyriteâbearing sheeted quartz vein system...percent of the assumed flow. This vein is in a broad region of high fracture density and greisen development...shows data for three vein sets from the Caceres region, each with a density of about 1 mâ1. The mineralized |  | | Report (edition) | | in northern Maine. Most of the bedrock in this region consists of weakly metamorphosed sedimentary and...ELEVATION 208 Locality #45: Catherine Mountain Molybdenite Prospect (Catherine Hill) Town: Tl 0 SD, Hancock...right, to highest part of road on eastern spur of Catherine Mountain. At this point there is an old house...\ Walking: l\ollow woods road west, up onto Catherine Mountain, to where it ends in area of recent logging...Bridgton, Brunswick, Buckfield, Byron, Canton, Catherine Hill, Cushing, Dayton, Dixfield, East Livermore |  | | Journal (article/letter/editorial) | | 3 groups). All spectra were featureless in the region from 4000 to 1200 indicating no evidence of OHâ...cassiterite is associated with freibergite and stanniteâkĂ«sterite family members. Ore textures indicated...Ciriotti in the sand dunes of the LĂŒderitz, Karas Region, Namibia (~26°38âČ52âłS, 15°09âČ28âłE). Dune sands...Tanzanite Deposit, Lelatema Mountains, Manyara Region, Tanzania. Minerals, 6(4), 115. Merelaniite (IMA...the town of Arusha, Lelatema Mountains, Manyara Region, Tanzania (~ 3°35Êč0 S, 37°0Êč30 E). It is named |  | | Journal (issue) | | Dalânegorsk. GEOLOGY The geology of the Dalânegorsk region is tectonically complex because of its relationship...unique among the various intrusive rocks of the region. Xenoliths of eclogite and lherzolite suggest a...article are from these eight mines. In the larger region around Dalânegorsk there are additional mines and...Verchniy (Upper) mine was the first mine in the region, and is still in operation. It was initiated as...there in the past. Other mines in the Dalânegorsk region have produced speci mens; most of the mineral |  | | Report (Issue volume) | | HALIFAX i 735 Barrington Street MONTREAL 1182 St. Catherine Street West OITAWA 171 Slater Street TORONTO...arsenopyrite, stannite and chalcopyrite in a quartz-fluorite gangue; cassiterite with stannite, sphalerite...21 B East Port; 21 H Amherst) The Bay of Fundy region, for a long time regarded as a mineral collector's...and popular collecting areas in the Bay of Fundy region. About midway between the capes, lies Amethyst...Sphalerite 15, 17, 21, 24, 48, 51, 64, 76, 78, 85, 86 Stannite 24 Staurolite 22, 56, 57, 64 Steatite 36 Steeleite |  | | Book | | Zanskar (Zaskar) Range, Kashmir Deccan Plateau Region Afghanistan Badakshan District, Kokcha Valley...exquisite lavender color has been found in the Mogaung region in small quantities. The center of the Mogaung...above sea level. The Uru River runs across the region from northeast to southwest, and has formed canyons...near Namseka village. The Nampai stream drains a region of gneissic rocks, and the rubellites found in...Pass in Kulu. THE DECCAN PLATEAU REGION The Deccan Plateau region is famous for its spectacular zeolites |  | | Journal (issue) | | placer deposits in Sri Lanka, and also the Mogok region of Myanmar. Other zircon deposits occur in Vietnam...better part of four weeks in and around the Moscow region. During that time, I was fortunate to be escorted...albite and other dark mineral grains reported in the region that are likely to consist of iron and manganese...some nice proustite, cassiterite and bolivianite. Stannite still eludes me. The primary emphasis of my trips...Mineral News Video Review: Rockhounds the Movie Catherine J. Gaber Created by Devin Dennje and Todd Kent |  | | Book (edition) | | second edition. wewish to thank Mary McMurray and Catherine Hardy. Thanks are also due to Sharon Chiang for...providing light of specified wavelength through this region are fixed monochromatic interference filters and...chalcopyrite, and the inversion twins seen in stannite and acanthite (see Figure 7.19). 3.5 OTHER AIDS...spectrum. Shown in detail is the visible light region, which extends between approximately 390 and 770...(or energies) throughout the whole of the visible region of the electromagnetic spectrum. The fact that |  | | Journal (issue) | | tree (Anonymous, 1963) and, according to Mrs. Catherine Shaw, one of the owners of the property, a large...mine are currently owned by the family of Ms. Catherine Shaw-Gallant, under a family-owned corporation...Argentina. Ahlfeld surveyed the mineral deposits of the region and published a book on the mineralogy of Argentina...man in this very steep and remote sub-tropical region. Figure 1. Friedrich Ahlfeld as a young man. Photo...Kempff National Park in eastern Bolivia. This remote region was discovered by the legendary British explorer |  | | Report (volume) | | deeper circulation _____ _ _____ _________ The region of nearly stagnant waters _ Pulsating movements...Arizona________________________ 228 San Francisco region, Utah, by B. S. Butler_________ 229 Yerington,...Island, Alaska_____________________ 330 Berners Bay region, Alaska_________________ 331 Georgetown quadrangle...quadrangle, Colorado_______________ 331 San Juan region, Colorado_________________ 332 Summit district, Co...Wisconsin zinc and lead deposits_.__ __ __ 381 Joplin region, Missouri______________ _ 384 Leadville, Color |  | | Report (Issue volume) | | in the north eastern corner of the New England region (figure 1). The area includes the Ballina, Bonalbo...INVESTIGATIONS The first geological study undertaken in the region was a description of geology about Wilsons Downfall...discovery of extensive mineral resources throughout the region the only descriptions of mineralisation during...and granite-related mineralisation in the Drake region, Thomson produced the first geological map of the...indebted to the landholders and residents of the region for their friendly assistance during the field |  | | Book | | ainsi que le haut de la couronne de lâimpĂ©ratrice Catherine II de Russie. On pensait probablement que ces...colonne, lamellĂ©; agrĂ©gats prismatiques; 150 cm stannite Cu,FeSnS, grise, mĂ©tallique; grains microscopiques...«Cernyite, a copper-cadmium-tin sulfide with the stannite structure», vol. 16, 1978, p. 139-146. 156... Elliott, D.G., «Amethyst from the Thunder Bay region, Ontario», The Mineralogist Record, vol. 13, 1982...sphalĂ©rite (Zn,Fe)S brune; finement grenue; 1 mm stannite Cu,FeSnS, gris brunĂątre, mĂ©tallique; finement |  | | Book | | reflection ofnot only the varied geology of the region but also a once-thriving minerals industry and...quarry, Cranm re: Kikhoan, Ardnamurchan, Highland Region; and Susanna mine. Leadhills. Strathclyde. As the...J<,lc-.of Scilly, a distance of over 150 km. The region is famous for it-; tin depo:.its, the mining of...there at one time or another. The importance of the region cannot be underestimated: one of the more common...there have been over 2000 working mines in the region, and no area is more important than that surrounding |  | | Journal (issue) | | Specimen was desti11edforthe late Empress ofRussia, Catherine the 2d, and ri:--lzen my late U11cle and I were...famous tale of Baron von Munchaussen. He discovered stannite at Wheal Rock, St. Agnes, in 1775, and was later...Carharrack Mine, a new compound of iron and arsenic. STANNITE, Wheal Rock, St. Agnes, the first quantitative |  | | Journal (issue) | | Manakana, which is the name historically used for the region encompassing the pegmatitic districts on the west...of zircon inclusions in sapphires from the same region. Our preliminary studies of zircon inclusions in...single zircon inclusion in a pink sapphire from this region. Additional studies with CL will help to better...andalusite (Schnellrath 1989). Besides gems, this region is noted for its mineral commodities, mainly gold...CBPM), has made detailed geological maps of the region. Based on one of these maps (de Souza et al. 2003) |  | | Book | | Sapphire Danish ruby parure Ruby Timur Ruby Spinel Catherine the Great's spinel Chrysoberyl Hematite Taaffeite...gravels near the Orange River in the Kimberley region of South Africa. Further exploration there revealed...rare. The stone was mined from the fabled Mogok region of Myanmar in the 1930s. Rubies Sapphires Diamonds...points of its crystals 082 CATHERINE THE GREATâS SPINEL Catherine II of Russiaâs ârubyâ | c.14th...a portrait of Catherine the Great, c.1762 CATHERINE THE GREATâS SPINEL 083 Catherine the Greatâs |
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