 | | Journal (article/letter/editorial) | | Locality NO. A. La Carolina mine, Sonora, Mexico Shear zone, Santa Nina mine, Tecorpia, Sonora, Mexico...Weathered, Kellogg mine, Moradillas, Sonora, 003375 Mexico 200 level, Moraguirre Nordoeste mine, Moradillas...surface, Kellogg mine, Moradillas, Sonora, Mexico BM 1928,330(g) Maria Doornkloof mine, Natal, South Africa...County, New York Lakeside mine, Hague, Warren County, New York American mine, Graphite, Warren County...County, New York Pope Mills mine, St. Laurence County, New York American mine, Graphite, Warren County, New |  | | Journal (issue) | | school at Moonta Mines, and as a child fossicked for minerals on the dumps around the Mines. He talked to...the old miners still living in the district (the Mines closed in 1 92 3 ) and this was the beginning of... as far as we can ascertain, was at the gypsum mines on Yorke Peninsula, and during the Depression he...he was employed as a foreman at the Triple Chance Mine south-west of Broken Hill. In 1 950, with two others...3 he joined the South Australian Department of Mines as a Technical and Field Assistant, prospecting |  | | Catalog/List | | 94403 U.S.A. Old No. l Headfnme. Whi ā key Hlll Mine, Tuohnne County, CaUfomla (rā -,u. .SVā¢t- tor cr11ā¢tā¢J...association. Few of the minute crystals you see on mine or quarry dumps or even on cabinet specimens will...dumps or surface float. Mirute crystals seen on a mine dump are a clue but nearly always tao weathered...'hite hairs on feldspar. 784 ADAMITE, Moha\'.1k Mine, San Bernardino County, r.alifornia. Group o f colorless...crystals on matrix. 910 AEGIRif\E,near Larvik, Norway. Green to golden brown acicular crystals on analcime |  | | Journal (article/letter/editorial) | | rtz, anorthite-fluoritesillimanite-quartz and calcite-fluorite-graphite. Using these buffers Munoz and...ferrosalite- scapolite - microcline - sphene ~ fluorite & calcite + andradite biotite-sphene-fluorite + magnetite...117 638 Anorthite CaA1,Si,08 An - 833 596 Calcite CaCO, cc - 227 411 Cryolite Na3A1F, Cry... P.. JR. (1966) Handbook of Physical constants. Grol. Sot. A/u. Mrrn. 97. CODATA (1976) Recommended values...differentiation. Finnmarka Complex. Oslo Area. Norway: Part 2, the mafic silicates. J. Perrol. 14, 349-380 |  | Pohl, W., Amouri, M., Kolli, O., Scheffer, R., Zachmann, D. (1986) A new genetic model for the North African metasomatic siderite deposits. Mineralium Deposita, 21 (3) 228-233 doi:10.1007/bf00199805 | Journal (article/letter/editorial) | | Gafsa o 120 km Fig. 1. Location of the iron ore mines at Ouenza (Algeria) and Jerissa (Tunisia) (black...out in view of the economic importance of both mines. Ouenza is thought to have comprised geological...45 million tons (Walther & Zitzmann 1977). Both mines are currently important iron ore sources for the...limestones can be observed, often with pockets of calcite, barite, quartz, and minor sulfides (tetrahedrite...Fig. 4. Jerissa (Tunisia), geological map of the mine area (Aptian only; after an unpublished map by E |  | | Journal (article/letter/editorial) | | menot@univ-st-etienne.fr 1Present address: Drpt. Grol., Fac. Sci., Univ. A.M.D., BP 338, Niamey, Niger...Clinopyroxene Iron oxides Albite or Oligoclase Calcite Augite Wo(31-46) En(35-53) Fs(10-27) Partially...Weathered) Quartz? (Recrystallized) Calcite Calcite Calcite Chlorite White micas Iron oxides Epidote...plagioclase phenocrysts: quartz + calcite + pumpellyite or chlorite + prehnite, calcite + pumpellyite + prehnite...+ albite + calcite + iron oxides; (2) after clinopyroxene phenocrysts: quartz + calcite + pumpellyite |  | | Journal (article/letter/editorial) | | Grenoble-cedex Abstract. The Pb-Zn deposits of the M'Passa mine are located on faults running in a Combian (i.e...Bigotte 1959) The continuity between the sdrie des mines (Zaire) and the M'Pioka and Inkissi formations,...through the two main fault zones of the M'Passa mine and represent in both sections the two ore trends...Roan-Katanga group, which includes the famous Sdrie des mines (Lepersonne 1951, Cahen 1954, Dadet 1969). The rocks...11, 13, 32, 39) clearly shows that the M'Passa's mine is located over and between two wedge-forming fault |  | | Journal (issue) | | BUST AM ITE AND FERROAN JOHANNSENITE FROM THE NORTH MINE, BROKEN HILL, N.S.W., AUSTRALIA W.R. Ryall CSI RO...frequently rounded and often enclosed i n granular calcite or fluorite with apatite (Lawrence. 1968). Crystals...and have inclusions of sulphides. apatite and calcite. Hutton ( 1956) described acicular bustamite crystals...cavity on the 12th level of the Zinc Corporation mine. Binns ( 1968) reported asbestiform bustamite from...oft he New Broken H ill Consolidated (N .B.H.C.) mine in 1966. This material was very fineĀ grained with |  | | Journal (article/letter/editorial) | | Triassic. tiary. (PINGITāOKII.1976, 1978; that. calcite 1977): mid-range values of car- -2-, c CA....changes in SāC rocks. temperatures chiefly āC calcite. or perpetuated. variations previously the...solubilit) in the reaction dissolving zones calcite the clemental phenomena. is somewhat such as...deposition/solution of gyp- of both pyrite and calcite, sum. weathering,deposition and metamorphism/weathering...in the Grenville of New York and Ontario. Erotr. Grol. 68. 362-369 Correlation BLSCHESDOORF F.. &āI~Lx> |  | | Journal (article/letter/editorial) | | Abstract-Fluid inclusions in apatite, monticellite, and calcite from the Oka carbonatite complex generally comprise...contain a variety of trapped solids, including calcite, strontianite, nahcolite, and mirabilite. Microthermometry...the host minerals was monticellite + apatite -+ calcite, which, when combined with fluid inclusion data...are mostly coarse-grained calcite carbonatites, composed mainly of calcite and minor or accessory aegerine-augite...okaltejacupirangite series. and alnoite. Hydrothermal veins of calcite, biotite, pyrite, and rare earth element-rich minerals |  | | Journal (article/letter/editorial) | | Sunnfjord<< area in Western Norway The Western Gneiss Region (WGR) of Norway belongs to the Scandinavian...Amph: amphibole; An: anorthite; Bi: biotite; Ca: calcite; Cd: corundum; Chl: chlorite; Cpx: clinopyroxene;...Barroisite-bearing eclogite from Naustdal, Sogn og Fjordane., Norway. - J . Petrol., 8, 349-371. BLANC, D. (1981): Les...47-65. GRIFFIN, W. L. (1987): On the eclogites of Norway: 65 years later. -Miner. Mag., 51, 361, 333-343...eclogites and associated rocks from Sunnfjord, western Norway. - Lithos, 13, 355-380. KUSHIRO, I. (1969): Clinopyroxene |  | | Journal (article/letter/editorial) | | depth of 70 m. Marcasite, pyrite, chlorite, and calcite occur below the water table at about 30 m. The...from 32 to 18. I m: muscovite with chlorite and calcite from 39.6 to 4X.X m; and muscovite from 48.X to...has been calculated using calcite-carbon dioxide-water equilibria. Calcite occurs between 40 m and 60...is 6.9 which corresponds to PCO, = lO-L.19 for calcite-CO,-water equilibria. A substantial variation in...assemblage requires a pH below 4.9, below the pH for calcite stability even at the limiting hydrostatic PC02 |  | | Journal (article/letter/editorial) | | reflectance) kaolinite disappears at 265 m and chlorite + calcite appears implying the equilibrium 5 CaMg(CO,), ...minerals present are kaolinite, dolomite, chlorite. calcite, and quartz in the form of overgrowths on detrital...dolomite are present throughout the sampled interval: calcite cement is sporadically distributed: chlorite has...Kootenay Formation correlates with the appearance of calcite as an intergranular cement (Fig. 5d). and the formation...+ kaolinite + quartz + 2H,O e Mg-chlorite + 5 calcite + 5C0, (1) may be used to study a mineral reaction |  | | Catalog/List | | shaped crystals to ~" in size, aggregated in parallel grOl-lth and with no matrix attached. 2ix2". Ā£5. BAYLDONITE...50. BOhNITE Pseudomorph after Enal'gite. Stewart Mine, Butte, Silver BOvl Co., Montana, U.S ā¢.l. An interesting...Quartz/Pyrite matrix. lixl". Ā£30 BR EWSTll,ITE. Whitesmith Mine, Strontian, .rgyll. Specimen A Fine, sharp, lustrous...thickly lining a large 2+ x P cavity in Barytes/Calcite matrix. 3x2xli". Ā£7.50; Specimen B - Fine, lustrous...richly encrusting B::nytes/calcite matrix. 2xLt". Ā£3.25. CALCITE. Botallack Mine, st. Just, Cornwall. Choice |  | | Journal (article/letter/editorial) | | approximation to mineral assemblage zoning in calcite-filled amygdales in metamorphosed basalt (CANN...the reversible tie-line breaking reaction 2CaC0, CalcIte = + CaAl&Os anorthlte CazAlzSiO, gehlemte +...product of reaction of a homogeneous mixture of calcite and anorthite will be a three-phase assemblage...assemblage. However, reaction between a block of calcite placed in contact with a block of anorthite will produce...wollastonite (Fig. lA, B). The three-phase assemblages, calcite + gehlenite + wollastonite and anorthite + gehlenite |  | | Journal (article/letter/editorial) | | pyrite, sphalerite, quartz and very coarse grained calcite. The host rocks of these ores are mainly chlorite...and General Economic Geology The Waschgang gold mine is located at Kluidscharte (elevation 2546 m), approximately...Asten- and Zirknitz Valleys. The remains of the old mines (e.g. adits, reworked dumps, ruins) are mostly to...the Waschgang gold deposit (Exner, 1962). A gold mine; 1 greenschist (prasinite), 2 calcareous mica schist...ores, usually associated with milky quartz and calcite, occur exclusively near the Lettenkluft fault zone |  | | Journal (article/letter/editorial) | | towards those of dull orange-brown luminescent calcite cements (~ ~80 = - 20 to - 11%OpDB), filling the...conventional and cathodoluminescence (CL) petrography. Calcite and Fe-rich carbonate phases were identified by...(Fig. 3D and E). The outer part of the blocky calcite generation is sometimes characterized by thin orange-yellow...yellow luminescent. The fracture contains two calcite generations: a dull orange-brown (c) and a bright...luminescent blocky calcites (b). F. CL petrography of a calcite pseudomorph after anhydrite, which shows an orange-yellow |  | | Journal (article/letter/editorial) | | clays chlorite, illite and kaolinite. Quartz and calcite are also present in variable amounts. These results...very closely lie in the plane. This is an 194 calcite N quartz kaolinite i ~ t i: : ! chlorite...D. Sorel, La nrotectonique de l'Arc Egren, Rev. Grol. Dyn. Grogr. Phys. 21, 61-72, 1979. 5 M. Jamet,...Mac&ioine occidentale (Thrse, Paris 1955), Ann. Grol. Pays Hell. VII, 358 pp., 1956. 14 G. Chiron, C...Gr~ce--lntroduction ~ la grologie g~n~rale, 26~me Congrrs Grol. Int. Paris, Livret-guide excursion, pp. 160c-162c |  | | Journal (article/letter/editorial) | | reasons for the occurrence of dolomite rather than calcite and nahcolite rather than trona in some shallow...water insoluble matter including dolomite and calcite. This separation process did not affect the 613C...Water insoluble carbonates (dolomite, dawsonite, calcite) associated with nahcolite generally showed isotopic...equilibrium was invoked to account for 13C-rich calcite associated Using the carbon isotopic ratios, it...still a question of why dolomite forms rather than calcite and nahcolite rather than trona in these systems |  | | Journal (article/letter/editorial) | | biotite and/or chlorite. white mica and minor calcite. The principal elastic metasediments are very poorly...values have been calculated relative to an internal calcite The felsic metavolcanics range from standard (GCS)...Lake-Burditt Lake area, District of Rainy River; Ont. Div. Mines GR140. BLACKBURN C. E. (1976b) Geology of the Lower...Div. Mines, GR142. BLACK~UR;~C. E. (1976~) Boyer Lake Area, District of Kenora; Ont. Div. Mines Prelim...Meggisi Lake Area, District of Kenora; Ont. Div. Mines Prelim. Map, P.1188, Geol. Ser. CERLINGT. E., B~GGSD |  | | Journal (article/letter/editorial) | | pyrite, olivine, ilmenite. Vt:KwoetU~ (1966) using calcite-dolomite Fig. 1. Isotopic composition of sulphur...other alkaline complexes, e.g. the Fen complex, Norway, and the Kangankunde complex, Malawi. The geology...carbonatite minerals bodies. and in the Oka and J. Grol. 77. 61X CURRI~ K. L. and FERGUSON J. (1972) A...and carbonates of ore and gangue minerals. &on. Grol. 54, 1X4-233. J~NYINGS D. S. and MIT(.HEI.L R. H...intrusion of carbonatite at the Fen complex, S. Norway. Lithos 2, 167 -169. KANEHIKA K.. YLJI S., SAKAI |  | | Catalog/List | | Musou.i11 label. Ā£68. Jo BOULANGERITE. TrGsungers Mine, Endollion, Cormrnll- Ā·Ā·A 20x20rrm area of quartz...90x50x40rrm. Ā£12. (b) 60x40x40mn. Ā£8. 10 .ā¢ļæ½ CALCITE. B2agl1.=s Point, Lizard, Cornwall. Crude cr.1lcitG...80x70x50mm. tl/l. ( b) Wi .. .th m3.trix. . . ll. CALCITE .i\NDĀ· QUART7,. C,J.pnic, ļæ½(Om7.nir1, 11 lovd.y... J . . ā¢ ā¢ ā¢ > CHllliCOSIDEl"HTE. PhoGnix Mine, Linkinhornc, Corrnol"lll. .i\ shallow 30x25mm c::-ivity...mL-:ro conichJ.lcitc xls :with u. fGW colourless calcite xls here :md thGr2. 90x50x40mm. Ā£22. 23.* Ā·cONNELLITE |  | | Journal (article/letter/editorial) | | Siderite Formation ]rom Calcite ~- FeC1e Abstract. The stability relations of calcite and siderite in the...composition of the fluid phase coexisting with calcite and siderite is very poor in Fe e+ and correspondingly...pressure is 1000 bars. The stability field of calcite narrows with decreasing temperature, increasing...indicate that siderite will be formed by reaction of calcite with FeC12bearing solutions that have very low...Ca~+/(Ca2++Fe~+)ratios. Solutions coexisting with calcite must be very poor in Fe ~+, otherwise siderite |  | | Journal (article/letter/editorial) | | in rhombohedrons, arid obtained from the copper mine of Mindouli, about two leagues east of Comba, between...wit& hematite, limonite, proustite, pyrolusite, calcite, and bnrj tes in veins in the lower carboniferous...serpentine in the asbestos mine a t Coteraine, Eastern Townships. Fresh from the mine, the mineral is so soft...r y s t . 3Iin., 18,638-659; from .Jahi.b. k. k. Grol. Reichsunst., 38, 1).-With galetin, brennerite occurs...limestone, occurring in cavities with sulphur, calcite, and celestine. The crystals are in the form of |  | | Journal (article/letter/editorial) | | concentrations (see Appendix) range from those of primary calcite precipitated in sea water to diagenetic carbonates...Hildesheim (Dogger) Ton grol~e K a l z i t . G e o d e kleine Kalzi~-Ge~de z ~ s e h e n grol~en - - 3.2 - -...(K61~gssee), ]~bergang oftengeschlossen (Immensen, Grol~-Lafterde, Sarstedt, Galgenberg-Hildesheim) und...Porenwassersystem gewesen sein, d.h., dal3 sich in ihm ein grol~es Wasservolumen umsetzte. Die Sideritkonkretionen...carbon and hydrogen isotope exchange in the system calcite-carbon dioxide-graphite-methane-hydrogen-water |
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