 | | Journal (article/letter/editorial) | | TURNEAURE OF GEOLOGISTS AND No. 7 ANDES OF BOLIVIA. REAL. K. K. WELKER. CONTENTS. PAGE Introduction................................................. Quartz-stibniteveins ....... ...........................more recent years, the Eastern Andean range of Bolivia includesore depositsin great variety. It is of...Turneaure, F. S.: The tin depbsits of Llallagua, Bolivia, Ecoa. GEo,,., vol. 30, pp. 14-60, 170-190, 1935...Gibson,Russell: Tin depositsof Ca•'guaicollo. Bolivia, Am. Journ. Sci., vol. 243A (Daly Volume), pp. |  | | Journal (article/letter/editorial) | | the Tin and TungstenDepositsof the EasternAndes,Bolivia WM. C. KELLY AND F. S. TUR•E^URE Abstract Nu... were applied to ores of the Eastern Andes of Bolivia in order to evaluatetemperatureas one factor in...such as sulfide invariant points, the high-low quartz inversion, melting of native bismuth and sulfi...content. During precipitation of cassiteriteand early quartz, salinities reachedvalues as high as 46 weight...vein fluids is indicatedby the fluid inclusionsin quartz and cassiterite. This boiling upgraded salt contents |  | | Journal (article/letter/editorial) | | ......... : ............................. Gold quartz veins ...........................................well. For example,at La Joya (Fig. •), enargite-tennantite veinsoccurwith quartz-wolframite-gold veins...•lntimony I?ei•zs.--Most of the antimonydepositsof Bolivia belongto this group. They havebeenformedat depthsranging...springsthat depositchalcedonic quartz with stibnitecrystals. A vein at the Tarumita mine near Caracollo north...containgold both in the stibniteand in the quartz, changeto gold quartz veins in depth. All veinsthus far c |  | | Journal (issue) | | Montgomery Colemanite Pseudomorphs from the Corkscrew mine, Death Valley, California ........................6 x 5.5 x 0.8 mm. T he crystals are attached to quartz crystals. A natase also was found in the pocket...call for appointment Tourmaline Tourmaline Queen Mine Pala, California NEW A C Q U ISITIO N S : AZURITE...Classics from Europe Plus a new collection from Bolivia Please call us or visit our showroom, "The Collector...I found a small vein of pyrite at the Burlington mine near Jamestown, Boulder County, Colorado. We found |  | | Book | | Mineralization and Fluid Inclusion Study of the Yod Nam Tim Mine, Southern Thailand . . . . . . . . . . . . . . ...Boliviana Mayor de San Andres, Casilla 6548, La Paz, Bolivia VILLALPANDO F.M. VOKES Geologisk Jnstitutt...the Eastern Cordillera of the Central Andes in Bolivia (Grant et al., 1980). The Cornubian province of...fractures which have served to guide the processes of quartz-tourmaline and greisen alteration in the consolidated...trending elvan dyke which also cuts the tourmaline-quartz-greisen fracture sets (Fig. 4). Dangerfield et |  | | Book (edition) | | textures involving spha lerite from the Furutobe mine. Akit a Pr efecture, Japan . Milling Geol. 28, pp...visual "standards." It is useful also to note that quartz gangue and many mounting plastics have reflectance...of fluorite , rhombs of dolomite and siderite, quartz euhedra of characteristic trigonal morphology)...remaining" (or bleibl aub end er) covellite . Two mine rals have now been cha racterized by careful work...( 1975) ODF ( Ill ed.) I. 0520. I IODF2.191 (Ol la for lhefour COM """Jvtleill thsI re Inierpoilled |  | | Report (volume) | | magmas: Dravite 376 Tourmaline stability in magmas: Quartz-tourmaline assemblages 376 Tourmaline stability...O cj 3 O ^ S 3 >• c B o o Q. O o. & c O 60 la p - S 3 w M w 03 M ...pentaborate sheet structure from the Tuzla salt mine, Bosnia and Hercegovina. Am Mineral 79:562-569 Beukes...(1989) Mineralogy and paragenesis of the Little Three mine pegmatites, Ramona District, San Diego County, California...member of the mica group, from the Little Three mine pegmatite, Ramona District, San Diego County, California | | | Report (volume) | | BSE LCLON CES ss 1 pa ote teee sae cen k ts So TRe La ar Net On RI cs Seid Chapter 6 193 193 193 194...:cceeeeeeeeeeees Tourmaline stability in magmas: Quartz-tourmaline assemblages...... Tourmaline stability...een: 452 NeAEUL, at6|” ane Ee NaI SE AEC HE CE Re la na MIS me i SSCoos pe 454 Mananidonite: 4:8 2 in...ianacnicceneeecet es oe are oe eee Lae oe MORTON la de ede eleanor es 692 Appendix. Brief Overview of...‘AreSunzyOquing ‘ulejun“VM oWy eITy Yo01¢ ny yorese“stn LA ‘eruezuey ‘wrepsoquweg lg8.- = ‘josseuaysi4:pur[usalH |  | | Report (volume) | | structure (Spear and Selverstone, 1983). Ordinary white quartz or calcite is usually white from the presence of...l e ' s description of a large moving bubble in quartz (Boyle, 1672) i s apparently the f i r s t reference...v e r s i t y , S t . Johns, Newfoundland (1979); La Trobe University, A u s t r a l i a (1979); by the...nature has provided. Each cubic centimeter of white quartz or c a l c i t e may contain a b i l l i o n f...of the r e s o u r c e , because blowouts i n t o mine openings from n a t u r a l d e c r e p i t a t |
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