 | | Journal (article/letter/editorial) | | of the Monte RosaGold Lode Deposits(WesternAlps, Italy). A Comparison with ArcheanLode Deposits ENZO CURTI*...metamorphicorigin, with the notableexceptionof the Val Toppa mine, where lighter, possiblysurface-derived waterwasinvolved...ofkomatiites: forsuch deposits, as TECTONIC MAP OF THE PROVINCE 10 km forthoseconsidered in thispaper,thereisusually...1984). Intheinterpretation ofthedata, emphasis is Verbano Arceza-Brusson window, AN= Antigorio nappe, BG--Biella...akeyroleinthegenesis= Insubric line,IV -- Ivrea-Verbano zone, KZ= Seconda zona ofthedeposits. Further |  | | Journal (article/letter/editorial) | | associated with the Monte Rosa gold district, NW Alps, Italy P. Lattanzi Dipartimento di Scienzedella Terra,...di Firenze, via G. La Pira 4, 1-50121 Firenze, Italy Received: December 11, 1989/Accepted: July 17, 1990...(P = 1 to 3 kb, T = 300 ~ to 450~ At Miniera dei Cani, unmixing between CO2rich and HzO-rich fluids possibly...tectonic elements, such as the Insubric Line and the Vanzone antiform. The mineral assemblage of the ore bodies...sulfides (chiefly pyrite and arsenopyrite, and also pyrrhotite, chalcopyrite, galena, sphalerite, tetrahedrite-tennantite |  | | Journal (article/letter/editorial) | | Depositsof the Upper AnzascaValley, Northwestern Alps, Italy PIER FRANCO LATTANZI, Dipartimentodi Scienzedella...Universitddi Firenze,via G. La Pira 4, 1-50121Firenze,Italy ENZO CURTI,* Institut Kristallographieund Petrographie...Universitddi Firenze,via G. La Pira 4, 1-50121 Firenze,Italy Abstract The gold depositsof the upper AnzascaValley...of the Monte Rosagold district, northwesternAlps,Italy. The mineralizationoccurswithin polymetamorphic...The depositsof the upperAnzascaValley(province of Novara,Italy) arethe mostprominentin the Monte * Present |  | | Catalog/List | | . 3tx<$<2 " , f.11 . oo 4. NATIVE ARSENIC. Kusa Mine . Oau , Sar awak. SpeCi me n A: Gr eyish- bl ack...Minut e or ang ey cryst als lining joints and small cani t i es i n a mass of soli d bl ack Uraninit e and...2x 1ix 1t." , £4.7 5p 11. BrXBY ITE. Tepet nte , San Lui s PotOSi , ~ exico. Shar p lus t ro~S black cubiC...ndstone. C7x2", £4 . 7Sp 19. CASSI TERI TE. Dolcooth Mine CambornB, Cor nwo ll . Lus t rOUs dar1 br own s...tarnishGd well formed hexElgonal crystals of PYrrhotite . 4x3x1i-", £ 1 2 . 0 0 , . . , 37. DOLOmTE cast |  | | Book | | 2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous |  | | Journal (article/letter/editorial) | | Metal ratio map of the 360 level of the Herminia mine showinglocationof major veins. Dotted linesrepresentlogPb/Cu...LEVEL lOOm FIG. 5. Vertical sectionof the Herminia mine with a map view projected to the 330 level. Locations...Bevaluesare utilized asa progressvariableandthe con- tweenlogPb/Cu valuesof-l.0 to +1.0 the Bi content...compositions. Farther down the flow path Herminia mine show a more pronouncedminimum this solidsolutionis... thesegrainsat their base(Fig. nanzazone in the mine (Goodell, 1970; Goodell and 11A). In mostbismuthinites |  | | Catalog/List | | violet xln specimens,little matrix, 4,00 6.00 t Italy; Nice2-10rm whiteto clear xls coveringmatrix. 6...son octahedral 7.,50 fluorite xl matrix. , Hull mine,AZI·2-30@~ •melted"clear xls on galena/anglesitematrix...metalliccopperthroughout 1atr1x.Unusualfor 2.20 1.00 this mine. COQUIMBITE:Dexter Hi1 UT;Violetclearish xls on...viole~xlncor~1er1te. 2.00 CORKITE:Golconda Barite Mine earthy, rich cork1teon qu~rtz/barite1atr1x. 3.25...matrix. 5.75 : 3.50 1.20 CYANOTRICHITE:Stokes Iron Mine Darksky blue, microacicular tufts coveringfracture |  | | Journal (article/letter/editorial) | | d a High SilicaRhyoliticMelt S. J. LYNTON,P. A. CANI•V. LA, ANDP. M. PICCOLI Laboratory for MineralDeposits...partitioningof copperwasinvestigated experimentallybetween pyrrhotite and a and a naturalhigh silicarhyoliticsampleprepared...the highsilicarhyoliticmelt underwater-saturated con- frompumicefragments ditionsat 800øC and I kbar....symmetries intermediate solid solution has been shown to con- Nakazawa and Morimoto, 1971; Yamamotoand Na- analysis...(Kullerudet al., 1969). +_0.018(20').No significant Pyrrhotite grainsand inclusionshave repeatedly wasevidentin |  | | Journal (issue) | | crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil......... Quiruvilca district, Santiago de Chuco province, department of La Libertad PASTO BUENO G r o u................. Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u a n z a l...district, Cajatambo province, department of Lima Pachapaqui district, Bolognesi province, department of Ancash... Dos de mayo province, department of Huanuco Huanzala mine Mercedes mine Chiurucu mine Uchucchacua district |  | | Journal (article/letter/editorial) | | Normahzed to chondr•le 1 O0 -- 81758 volcaniclastic con- glomerateandturbiditictuff. There are few lavasin...zone ;• Doledte B•alt • Undifferentiated felsic vo[cani•• Che• and cidtic sedime•a• rocks to a depthof...comprisingtholeiites,magnesulfideminerals,with tracesof pyrrhotite,famatinite sianbasalts,minor komatiites,intermediateto...(pyritewith stockwork subordinate chalcopyrite, pyrrhotite,andsphalerite) al., 1990). Massivesulfidemin...explorationfor thistypeof depositin areasof laterite total mine recoverable reserve of 10.5 million tons of overburden |  | | Journal (issue) | | ......... 247 WULFENITE—from level 4 of the 79 mine, Gila County, Arizona. The specimen was collected...Mineralogical Research Company, 14770 Whipple Court, San Jose, California 95127, has announced their com...S MINERALOGICAL RESEARCH CO I4770 WHIPPLE COURT SAN JOSE. CALIFORNIA 95I27 Our goal is high quality...their help, and their country, where a change in mine ownership has also response has been wonderful....Individuals who have con sometimes meant a change in mine name. How many sented to serve as members of this |  | | Catalog/List | | Nevada 19 20 $4.00 $10.00 ~ $35.00 $15.00 79 mine $20.00 $15.00 $20.00 $20.00 $20.00 $25.00 ...violet xln speciaens,little 1atrix. 1. 10 2.40 Italy; Nice2-1011 whiteto clear xls coveringaatrix. 6...coapletely1ined 14.00 5.00 out. CANCRINITE:Davis Hill, Ont1 CANi Lite yello11xln speci1enswithsodalite. 1.00 CARLETONITE:St...blackxls in he1atite ■ atrix. Showy!! $3.-$8.00 Elba, Italy; Largeblack lusterous xl clusters. 5.00 1.95 1.00...PASCOITE:Poison Canyon Hi Nh· Yellowto orangecoatings on san~stone. . . SundayHine CO·~rig~t yellowto orangepasc~ite |  | Milesi, J. P., Marcoux, E., Nehlig, P., Sunarya, Y., Sukandar, A., Felenc, J. (1994) Cirotan, West Java, Indonesia; a 1.7 Ma hybrid epithermal Au-Ag-Sn-W deposit. Economic Geology, 89 (2) 227-245 doi:10.2113/gsecongeo.89.2.227 | Journal (article/letter/editorial) | | the southeast Severalauthors(VanBemmelen, Asian province. Goldproductionin Indonesia Primarygoldproductionin...thisoutputis obtainedfromCirotan,the district'smain gold mine since1955, which has a dailyproductionof some200...whichthenanastomosed to West Java,and productionfrom this mine is due to echelon outlinebrecciabodies,whereasthe... Themineralizedfaultis800 m longfromnearGunmain mine, is containedwithin the Bayahdome, a River,hasa...I i CHALCOPYRITE TETRAHEDRITE MACKINAWITE PYRRHOTITE SPHALERITE GREENOCKITE _. m ------ I •-- |  | | Journal (article/letter/editorial) | | malfaultrelatedto riftingduringtheLateSilurian. However, and pyrrhotite,with tracequantitiesof tetrahedrite,boura syndepositional...Stilpnomelane, carbonate, chalcopyrite, sphalerite, pyrrhotite(talc,chlorite,trace quartz) Pyrite-magnetite...Stringerores Sphalerite 20-70 Chalcopyrite, pyrite,pyrrhotite, No compositional banding; Stilpnomelane-carbonate...quartz-chlorite-altered rock(Fig. 13). Gradational con- occurred Quartz-carbonate-rich pyrite ores are characterized...preferredorientation ofpyritefollowed of earlysphalerite-pyrrhotite occur andproduce thegrain-size banding oftenobserved |  | | Catalog/List | | with 1i111etite xis. Should1akesomenice ~aunts. *SAN PEDRO CORRALITOS:HEX; Rosasite,conic~alcite,heaiaorphite...eyLCA;Pure11niteporcelainousspecimens, 5.85 3.75 BARICITE:Yukon, CANi Kichblue xl cl2avaaesin ~atrix. Rare. $2,00 BARITE:Elk...Richspecimens. $30.-$40.$25.00 EDINGTONITE:Ice River, CANi Nice1-2~ru whitexls coveringmatrix. Rare. Excellentspeciaens...$3.-$8.00 5.00 Elba, Italy; Largeblack lustrous xi cluste,rs. 1.95 1.00 Magma Mine,AZ;Roughhexagonalxl...50 1.50 4.00 $12.-$35.$3.-7.50 tLAZULITE:Yukon, CANi Superdeepblue transparentxls on »atrix. 100,-17 |  | | Journal (article/letter/editorial) | | type categories,it is not clearwhether there is a con- calderaswith respectto mineralization in the SanJuan...occurrenceof zunyitein the wall rock of the Sunnyside mine, Eureka district (an adularia-sericite-typedeposit)...III S? Cove,Re III Bormte Enarglte Pyrite Pyrrhotite III III III Arsenopyrite I I11 III Cinnabar...XXXXXXX COMPARISON OFEPITHERMAL DEPOSITTYPES 7 cani,RedMountain,andLakeCity II havehighsilver to goldratios(>10:1)...otherhand,fluid inclusions fromthe Sunnyside i mine,Eureka,whichisalsorelativelybasemetalrich, havelow |  | | Catalog/List | | &LOSSARY of MINERAL .SFh'CIES: by F1eisch2r·, and con,ponitior..s. An absolute n=t spec iee found in...ce ar,d guide FLUQRE:,CEN7'NINEP.AL~: 1SB9; A con,plete t0 1 int of minerals. n,ineraln the of...110.00 $4.00 Az TT $5.00 t:olo ITI $15.00 79 mine $35.00 11ronP Ts11mi.h $10.00 $15.00 V $10...light violet xln speci1ens,little 1atrix, 4,00 i Italy; Nice2-1011 whiteto clear xis covering1atrix, 6...co1pletely■ ined out. CANCRINITE:Davis Hill, Ont1 CANi Lite yellowxln speci1enswithsodalite. 1.00 4.20 |  | | Report (issue) | | report. y.1'~T D.F. Sangster Editor TAB L E oF CON TEN T S J.L. DAVIES, L.R. FYFFE, and A.L. McALLISTER:...Stratabound massive sulphide deposits of the Elizabeth mine, Orange County, Vermont ... . .............. 4l...Volcanogenic massive sulphide deposits of the Davis mine, Hampshire County, Massachusetts ........... . ...petrology, and gensis of the manganese ores of the Betts mine, Hampshire County, Massachusetts . .. ............important are numbered as follows: No.1. Brunswick Mine No. 6 No.8. Chester No.9. Restiqouche No.2. Austin |  | | Catalog/List | | etc. Our labels generally state chemical formula, mine name, Mtn.range, country, county.... Often other...throughoutandradite t.1atrix. I. 35 ANGLESITE:Awelia Mine,HEX;Single uhite euhedralxis, somew/aicroboleites...:overingsurfaces. Attractive! *CALEDONITE:Blue Bell Mine CA·Bluegreen microxis coveringsurfaces with linarite...blockyxis, little or no ~atrix. 1. 15 CERUSSITE:79 Mine AZ;2-4D1111 tuinned xis sprin. led 011 limonitt...$1.10 C &B mine, AZ;Clear single v-twins, and other nice formson ceruss1te aatr ,. Flux Mine,AZ;Jackstrawwhi |  | | Journal (article/letter/editorial) | | Pyrolusite Pyromorphite Pyrophyllite Pyroxmangite Pyrrhotite Quartz, lechatelierite, keatite, stishovite,...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content | | | Journal (article/letter/editorial) | | Pyrolusite Pyromorphite Pyrophyllite Pyroxmangite Pyrrhotite Quartz, lechatelierite, keatite, stishovite,...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content |  | | Catalog/List | | explicitly than noted on this li~t U'..u;illy llw mine mime,,mountain range, county, state or country will...spessartites, topaz, and sandine, iHAKANSBODA:Sweden; Pyrrhotite rock with cobaltite xis. Tri ■ the pieces down... frtremely_usefull in identification .•• ev~rJI mine,:al collector haue a copv for their use. It's reasonablJI...xl/xln in 1atrix. 5.35 3.00 l. 55 CARNOTITE:Anderson Mine~AZ;Sharpyellowto orange1icrorho1bicxls on 1atrix...clear/white xls on 1atrix. 5,0,) 3.00 I.SO Tuscanr,Italy; white radiating xis, flat, on 11atrix. 7.00 4.75 |  | | Report (issue) | | rnines. The other principal gold producer, the Ogofau mine, near Pumsaint in 1nid-\Vales, was reputedly worked...environ111entally-oriented studies have exainined the effects of mine drainage on water courses, particularly in the...a presumption against it and any application for mine developrnent will be subject to the most rigorous...transgressive sequence (e.g. upper part of the Cwm Clyd San dstone of the Garth area, \.Villiams and Wright,...Mountain (Anglesey) and at Llanystumdwy. In the Vale of Con\:\ry a 1nixed sequence up to 400 1n thick of dark |  | | Catalog/List | | S~•eFl p~le y~llow. . 6,50 3.90 2.25 1.00 Hull mine,Ali·2-3011 1elted clear xls on galena/anglesite1atrix...$12.50 $15.00 $20.00 $35.00 $37.50 J20.,00 79 Mine $17.50 $12.50 :u5.UU $ 1/. 50 ~l/.~U JtU.00...xln 1asses. $15,00 $12.-$14. SGUERINITE:Getchell Mine,NV;Richmicrow'ite xis on realgar. RARE! 2.00 1.00...in heuatite aatrix. Showy!' $3,-$8.00 5.00 Elba, Italy; Largeblack lustrous xi clustHs. 4.25 2.20 1.00...snowwhitex~ssprinkledon green prehnite. 2,50 4.00 CANi Superdeepblue transparentxis on_1atr1x. . $15.-$35 |  | | Report (issue) | | B-B-2 BD-1 BD-2 BD-3 BD-N-1 BD-P-2 B-Q-1 C-l-83 CON-1 FT-3 FT-18 FT-14 HAD-1 HAD-2 HAD-3 LW-346-1 LW-346-2...SULFIDE. pyrrhotitic. IRON FORMATION, magnetite-pyrrhotite. \\ \_ __ _ _ ____ __ ' '"_'"MASSIVE'~SULFIDE...__._.._._._.. IRON FORMATION, magnetite with pyrrhotite. , , r , K- .j JL- ^«_ ' + * '''., (3RAYWACKE...chlorite schist matrix, highly sheared, minor pyrrhotite and graphite zones. -275 -- _ -300 GABBRO...basalt porphyry, mapic p i ne gra i ned chaotic va 1 con i c 1 ast i cs Thin banded i ran-parmat i an . i |
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