 | | Journal (issue) | | gemgypsy@bellsouth.net JULYâAUGUST 2019 Articles The Auglaize quarry, Paulding County, Ohio ..........................Grandjean Faden quartz from Bierghes, Brabant, Belgium ...................................... 441 by H...calcite crystals on matrix, 5.5 cm, from the Auglaize quarry, Paulding County, Ohio. Joe and Susan Kielbaso...MayâJune, 2019 Whatâs New 49-3 397 T he Auglaize Quarry Paulding County, Ohio John Medici 5280 Stover Road...Ohio 45504 kbladh@wittenberg.edu The Auglaize quarry has been a popular mineral collecting site for |  | | Journal (article/letter/editorial) | | pyrrhotite-hematite and, in the presence of magnetite,bornite-pyrite. Althoughmostcommonlyobservedassemblages...ready solubility of chalcocite and digenitein bornite at moderatetemperatures. Collinearities.--Because...certain minerals have been established. Chalcocite-Bornite.--Bornitedissolvesin chalcocite,at least in limited... at 225Ăž, mixturescontaining5 to 15 percentof bornite but when, on the other hand, the proportionof chalcocite...not disappear,while the larger enclosingarea of bornite was not noticeablychangedin appearance. It may |  | Sikka, Desh B., Petruk, William, Nehru, Cherukupalli E., Zhang, Zheru (1991) Geochemistry of secondary copper minerals from Proterozoic porphyry copper deposit, Malanjkhand, India. Ore Geology Reviews, 6 (2) 257-290 doi:10.1016/0169-1368(91)90026-4 | Journal (article/letter/editorial) | | oxidized ore containing chalcocite, covellite, bornite, and other secondary copper sulfides; and (3) intensely...following sequence of minerals: chalcopyrite (CuFeS2)-bornite (CusFeS4)-idaite (Cu3FeS4)-covellite(CuS)-yarrowite...tarnishes by the formation of films of FeO (OH), bornite, idaite, covellite, anilite, and chalcocite. The...Malanjkhand chalcopyrite (CuFeS2-cp) alters to --, bornite (CusFeSa-bn) ~ idaite (Cu3FeSa-id) ~ covellite...proportion of each mineral and on film thickness. 261 Bornite (CusFeS4) and idaite (Cu3FeS4) The tarnished surfaces |  | IZUMINO, Yuya, NAKASHIMA, Kazuo, NAGASHIMA, Mariko (2014) Cuprobismutite group minerals (cuprobismutite, hodruĆĄhite, kupÄĂkite and padÄraite), other Biâsulfosalts and Biâtellurides from the Obari mine, Yamagata Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 109 (4) 177-190 doi:10.2465/jmps.140129 | Journal (article/letter/editorial) | | sphalerite, galena, tetrahedrite, tennantite, bornite, arsenopyrite, molybdenite, electrum and hessite...aikinite (Fig. 2a) and wittichenite (Fig. 2b). Bornite is closely associated with chalcopyrite, and includes...repleces crystals of chalcopyrite (Fig. 2d) and bornite. Sphalerite sometimes occurs in chalcopyrite and...(Wit), chalcopyrite and bornite (Bn). (c) The eutectic intergrowths of borniteâ chalcopyriteâwittichenite...aikinite, bornite, chalcopyrite and tetrahedrite (Fig. 2b). The eutectic intergrowths of borniteâ chalc |  | Braxton, D. P., Cooke, D. R., Ignacio, A. M., Rye, R. O., Waters, P. J. (2009) Ultra-Deep Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their Implications for Geologic, Physiographic, and Tectonic Controls. Economic Geology, 104 (3) 333-349 doi:10.2113/gsecongeo.104.3.333 | Journal (article/letter/editorial) | | az, Cu) mal, az, chry, cup, Cu, pitch mal, az, chry, cup, Cu mal, az, chry, cup, Cu pitch, mal (chry,... az) mal, pitch, (chry, Cu, cup) mal, neo mal, chry, neo, az, (Cu) neo, mal (mal) pitch, mal mal, neo...pitch, chry, (neo, az, cup, Cu) cup, mal, az, (Cu) cup, mal, az (Cu) (mal, neo, cup, Cu) mal, chry, az,...mal, az, cup (mal) mal, chry, cup, Cu mal, chry, pitch (mal) mal mal, pitch, chry, (az, cup) (mal) mal...mal, pitch, (chry) mal, pitch, neo, (chry, cup, Cu) mal, pitch, (chry) (mal) (mal) Mineralogy 0.5 75 |  | | Journal (article/letter/editorial) | | Gem Club, Spring Valley, went to the Riverside Quarry, Totown, 30 N.J., to collect micro specimens....advantage of "the one day a year" that the Winfield Quarry (Pennsyl vania) is open to collecting. The memÂ...County, Fairless Hills, MARYLAND went to the Teeter Quarry, Gettysburg. Minerals to be found: Calcite, chabizite...show area promised tite, heulandite, chrysocolla, bornite, would not be available until after mid limonite...JANUARY-FEBRUARY 33 publishes a bulletin, The Quarry, which must be seen to be appreciated. Again this |  | | Journal (article/letter/editorial) | | granodiorite porphyry. Cu-Fe sulfides (chalcopyrite > bornite) at Botija are largely disseminated but are also...and produces a single ore shell with an inverted cup-shaped geometry typical of many porphyry copper deposits...concave-downward shell resembling an inverted tea cup, which is centered upon vertically emplaced dike-...distribution 29.82 ± 0.83 Ma 30.4 ± 0.94 Ma MIDWAY QUARRY 29.05 ± 0.70 Ma 985000N Approximate Petaquilla...2Ï uncertainty, Table A3) from Botija and Midway quarry are italicized. (C) Map of the planned copper porphyry |  | | Journal (article/letter/editorial) | | hematite,magnetite,pyrite, molybdenite,chalcopyrite,bornite,chalcocite,and digenite(?) in that parageneticorder...mine includemolyb- denite, pyrite, chalcopyrite,bornite, chalcocite,and digenite(?). Molybdeniteforms colloformmasses...notedcolloidal textures for mOlybdenite,chalcopyrite,and bornite, ......âą : :::: ... '.'.. ,,: .-and Stevensonand...forms crystallographically-oriented lenses in Bornite bornite strongly resembling exsolution phenomena. Chalcocite...Digenite (?) that chalcopyritedepositionbegan before bornite SILICATE OXIDE SULFIDE deposition,that later somechalcopyriteand |  | | Journal (article/letter/editorial) | | solid solution (mss), isocubanite,pentlandite, bornite, and an unidentified metal-excessiron-rich sulfide...from bornite solid solution. The presenceofpentlandite + chalcopyrite and pentlandite + bornite solid...focused or slightly defocusedbeam at 20 kV, 20 nA cup current, 20 s or 20000 counts, and a beam diameter...conditions used for bulk sulfide analysis,except that the cup current was 4 nA and the beam diameter was I pm....unidentified metal-excess iron-richsulfide;bn, bornite;cp, chalcopyrite; mt, magnetite. TABLe3. Composition |  | | Book (volume) | | analyses; to Prof. Eric Pirard (UniversitĂ© de LiĂšge, Belgium), some CopperBelt ores (DR Congo); and to Dr. MarĂa...the projectâs colleagues (University of LiĂšge , Belgium; ThinSectionLab, France; KGHM, Poland; Cobre Las...center: six-sided cubic section, rounded) in massive bornite (pink). Both are partially replaced by chalcocite... SV_1, Rio Gibranzos, Caceres, Spain (dsp). b Bornite microband and disseminated copper sulïŹdes in metapelite...Irregular contacts of chalcopyrite (yellow) with bornite (pink). Minor tetrahedrite, digenite and covellite |  | Priyam Sharma, Jyoti, Ranjan Sahoo, Prabodha, Mahanta, Haraman, Venkatesh, A.S., Babu, E.V.S.S.K., John, Manish M. (2020) Constraints on the genesis of the Proterozoic bornite dominated copper deposit from Nim ka Thana, western India: An IOCG perspective. Ore Geology Reviews, 118. 103338 doi:10.1016/j.oregeorev.2020.103338 | Journal (article/letter/editorial) | | Constraints on the genesis of the Proterozoic bornite dominated copper deposit from Nim ka Thana, western...Constraints on the genesis of the Proterozoic bornite dominated copper deposit from Nim ka Thana, western... Constraints on the genesis of the Proterozoic bornite dominated copper deposit from Nim ka Thana, western...Dariba, and Nanagwas primarily consist of abundant bornite, chalcopyrite, covellite, digenite, and chalcocite...understand the metallogenetic evolution of this bornite dominated copper mineralization. ÎŽ13CV-PDB and |  | | Journal (article/letter/editorial) | | covellite, cuprite, native copper, chalcopyrite, and bornite, as well as more than 100 ions, complexes, and...major minerals of sulfide deposits. Idaite (id), bornite (bn), and cubanite (cb) are less abundant and delineate...(horizontal hatching), (2) monovariant lines bounding bornite stability field (vertical hatching), (3) monovariant...(Cu2S); cup, cuprite (Cu2O); cop, native copper (Cu); chp, chalcopyrite (CuFeS2); bn, bornite (Cu5FeS4);...compositionâcovellite (cv), chalcocite (cc), cuprite (cup), and native copper (cop)âare considered. According |  | Stergiou, Christos L., Melfos, Vasilios, Voudouris, Panagiotis, Papadopoulou, Lambrini, Spry, Paul G., Peytcheva, Irena, Dimitrova, Dimitrina, Stefanova, Elitsa, Giouri, Katerina (2021) Rare and Critical Metals in Pyrite, Chalcopyrite, Magnetite, and Titanite from the Vathi Porphyry Cu-Au±Mo Deposit, Northern Greece. Minerals, 11 (6) 630 doi:10.3390/min11060630 | Journal (article/letter/editorial) | | of Ag, Co, Sb, Se, and Ti. Chalcopyrite hosts bornite, sphalerite, galena, and Bi-sulfosalt inclusions...consist of quartz, magnetite, chalcopyrite, and bornite [27]. The B- and D-type veins are planar in shape...magnetite + pyrite + chalcopyrite ± molybdenite ± bornite related to potassic alteration, (3) pyrite + chalcopyrite...Au ± Bn ± Mol ± Po ± Pn ± Tnt ± Ttr ± Wt ± Flt ± Cup ± Sch Latite Propylitic Epithermal Quartz monzonite...gold, Bn = bornite, Bt = biotite, Cal = calcite, Chl = chlorite, Cpy = chalcopyrite, Cup = cuprobismutite |  | | Journal (article/letter/editorial) | | modelsof the proposed mineralization process.Par- bornite-âą chalcopyrite -âą pyrite in ascendingorder. ticularemphasis... The latter exhibit broad zones of chalcocite,bornite, lations in the shoreline of the depositionalbasin...and 12 feet, respectively. this fringe zone: bornite, chalcocite,chalcopyrite, in diameterhave been...which chalcocite givesway upwardto a subzone of bornite,then to very fine-grainedpyrite. Conspicuous grainsof...yellowgreenockite 'are commonly visible immediatelyabove the bornite subzone. A minor amount of chalcocite occurs as |  | VymazalovĂĄ, Anna, Laufek, FrantiĆĄek, Sluzhenikin, Sergey, Kozlov, Vladimir, Stanley, Chris, PlĂĄĆĄil, Jakub, Zaccarini, Federica, Garuti, Giorgio, Bakker, Ronald (2018) Thalhammerite, Pd9Ag2Bi2S4, a New Mineral from the Talnakh and Oktyabrsk Deposits, Norilâsk Region, Russia. Minerals, 8 (8) 339 doi:10.3390/min8080339 | Journal (article/letter/editorial) | | discovered in galena-pyrite-chalcopyrite and millerite-bornite-chalcopyrite vein-disseminated ores from the Komsomolsky...intergrown in galena, chalcopyrite, and also in bornite. Thalhammerite is brittle and has a metallic lustre...telargpalite, sopcheite, kravtsovite, millerite-bornite-chalcopyrite from the sobolevskite, Talnakh andkotulskite...sulphoselenides, andof the The host rocks of millerite-bornite-chalcopyrite ore are pyroxene-hornfels at the lower...western part of the Komsomolsky mine). In millerite-bornite-chalcopyrite chalcopyrite ore from the Talnakh |  | | Journal (article/letter/editorial) | | silicon, lenzite and zincite. The sulphide. Bornite and have 9 points and a zero point. Then any...ruinf'r als are galena, iron pyrites, molybdenite, bornite, chal One switch takes carp of single turns,...inches or more in length. ron." consists of a bornite point in contact with a Dlass of B etwepn zincite...polarity. ilar crystals, each crystal is held in a cup or jaw and arranged that tb'eraL is no pull upon |  | | Catalog/List | | lJ. MANGAN-ANKÂŁRITE (7cm x 2cm x 2cm) G1eys101ïżœs quarry, U.:a,i/, Cornv,-afl Elon&31ed c.rys1-als of bright...DOLOMITE ON QUARTZ (8cm x 6cm x 4 cm) Greys/ones Quarry, Lezant, Cornw all Dolomite crystal groups to 4mm...45 32. SCHMIEDERITE (4cm x 4cm x 4cm) Greystones Quarry, Lezant, Comwall Bright blue micro- acicular crystals...SPHALERITE & QUARTZ (5cm x 3cm x 3cm) Greystones Quarry, lezant, Cornwall A really nice example of sphalerite...aggregates - peculiar to the locality. ÂŁ 1 85 63. BORNITE (8cm x 4cm x 4cm) Cam Brea Mine, 1/logan, Connva/1 |  | | Journal (issue) | | MONTHLY CONTENTS FOR JUNE, 1946 CHIPS FROM THE QUARRY .............................................'...bluish masses and crusts with other copper minerals Bornite: As small da~k bluish grains in sandstone; as small...Chalrorite: As small dark lead-gray masses with bornite, drusy calcite and serpentine. Cha/co pyrite: As...sandstone ; also as incrustations surrounding bornite. Me/aconite: Reported by Manchester. Prehnite:...small grains in bornite. Serpentine: Soft, dark greenish masses associated with bornite, chalcocite, and |  | | Journal (issue) | | exhibited blue and green hyalite, green epidote, bornite, crystallized stilbite, fibrolite and chab- azite...GRANITE QUARRIES, WITH THAT KNOWN AS THE SWARTHMORE QUARRY. By Henry Clat Bordkn. [Read before the Students'...be found. The quarry furthest north and west of the group is known as " Swarthmore Quarry." The rock of...between the layers of mica. Before leaving this quarry let me speak of the apatite which occurs at Morton...beryl being 7.5 to 8. The quarry known as the upper Avondale granite quarry produces much of the stone |  | Graham, S, Pearson, N, Jackson, S, Griffin, W, O'Reilly, S.Y (2004) Tracing Cu and Fe from source to porphyry: in situ determination of Cu and Fe isotope ratios in sulfides from the Grasberg CuâAu deposit. Chemical Geology, 207 (3) 147-169 doi:10.1016/j.chemgeo.2004.02.009 | Journal (article/letter/editorial) | | 8 1.2# 0.7* 0.8 0.3** 0.8 4 3 4 9 5 15 6 18 Bornite White Pine White Pine 4.3 1.0 11 e65Cu Uncertainty...samples (CPY-03, Bougainville, White Pine and Bornite), the mass bias for Cu isotopes was corrected using...these interferences. 56 Fe was measured in a Faraday cup equipped with a 1010 V resistor, whereas 1011 V resistors...simultaneous measurement from each active Faraday cup every 0.2 seconds and allows the subtraction of an...Disseminated bornite and chalcopyrite. Quartz vein contains minor anhydrite + calcite + bornite + chalcopyrite |  | | Journal (article/letter/editorial) | | Howtionsand stockworkveinletsof chalcopyrite,bornite, ever, of the many geologicalfeaturesthat might...primarydisseminated and stockworkchalcopyrite and bornite,in porphyry,and from mineralizedcarbonateof the...knownrelationship at the Utah coppermine, is an inverted cup of minformeda generalpath interconnecting the parts...Press, Tucson, Ariz., 287 p. At Braden an inverted cup-shapedprimary zone Ransome, F. L., 1919, The copper |  | | Journal (article/letter/editorial) | | veins and fractures, including primary minerals (bornite, chalcopyrite and an unidentified sulfide - Cu2...in Mawat and other occurrences, in addition to bornite, covellite, chalcocite, malachite, azurite, and...These minerals include three primary sulfides (bornite, chalcopyrite, and an unknown mineral) (Figs. 6a-h)...given below. Primanry (hypogene) copper minerals Bornite, chalcopyrite, and an unknown mineral (Cu2.3FeS3)...are coeval primary copper sulfides (Figs. 6b-h). Bornite and chalcopyrite are commonly associated and/or |  | | Journal (article/letter/editorial) | | SmallAg, Cu SmallCu Ore minerals Gangue Cc, cv, cu, cup, ten, cp, bn, mal, az Cal, bar, cel, kao, jar, goe...argentite, az = azurite,bar= Ba-Srsulfate, bn = bornite,cal= calcite,cc= chalcocite, cel= celestite, cp=...cp= chalcopyrite, cv= covellite, cu= nativecopper, cup-- cuprite,dol= dolomite, gn-- galena, goe= goethite...stretched lomite, (2) Fe calcite ___chalcopyrite___ bornite ___ duringfreezingrunsasshownby anincreasein vapor...stabilityfieldsoccupiedby assemblages containing chalcopyriteand bornite. All sulfidemineralsoccur at low pE's in the region |  | | Book (edition) | | Inclusions of roquesite (greenish grey) in massive bornite (violet grey); one grain is cross-cut by a crack...occasionally the case). Left: Reflection colours of bornite (brown), chalcocite (blue), and pyrite (creme)...by various Cu-Fe-S-phases (e.g., chalcopyrite bornite, cubanite, and others) in a bi-directional redox...fluids being involved; rather, chalcopyrite or bornite grains adjacent to the sphalerite directly act...matrix (light yellow). Right (second from bottom): Bornite (violet grey) and chalcopyrite (yellow) act as |  | | Book | | variable proportion of 811,lphide of Iron, or iron py BoRNITE, COPPER O_RES : l30~NITE, 1·ites ; and contains...djsti:·ict of Cornwall . âą Sl1elf I. 317 to 321. BoRNITE, incrusted with Green Malachite. Coslieen Nlines...J. D. Croker, and Wm. Connel. Shelf II. 322. BORNITE, with cop:pe1' glance, massive, from a lode between...Presented by J. D. Croker. 323. BoRNITE, iridescent~ in quartz. BORNITE, and copper py- rites, massive...cent. BoRNITE, 334. BoRNITE, massive. Carn Brea Mine, Illogan, Corn1.vall. 335. cent. . BoRNITE, massive |
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