 | | Journal (article/letter/editorial) | | Siderite Siete Suyos Mine, Atocha-Quechisla District Sud Chichas Province, Potosí Department, Bolivia...siderite from Siete Suyos mine, Atocha-Quechisla district, Sud Chichas Province, Potosí Department, Bolivia...consists of 1-cm or smaller curved rhombohedra. Moving south from New Jersey, notable iridescent microcrystals...found as iridescent microcrystals; the Duquesne district, Santa Cruz County, as curved rhombohedra; and...sphalerite and pyrite. The White Raven mine, Ward district, Boulder County, has produced some of the Figure |  | | Book (chapter) | | (1931). alkalic feldspar supergroup = albite + microcline + orthoclase + sanidine, de Fourestier 7 (1999)...(1939). alkali feldspar supergroup = albite + microcline + orthoclase + sanidine, Fleischer 2 (1971).... Alkali-feldspat supergroup = albite + microcline + orthoclase + sanidine, Doelter IV.3, 1104 (1931)...(1931). Alkali-feldspath supergroup = albite + microcline + orthoclase + sanidine, Egleston 6 (1892). alkali-femaghastingsite...7 (1999). alkáliföldpát supergroup = albite + microcline + orthoclase + sanidine, László 6 (1995). alkali-free |  | | Report (volume) | | SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105, 125 South State St. SPOKANE, Washington-U.S. Post Office Bldg...penetrated by a borehole in the Argenta mining district about 20 km northwest of Dillon, Mont. This unusually...between Archean and Cambrian rocks to the east and south of Argenta. These relations suggest that an onlap...Inferences that the Belt Basin extended far to the south of their present remnant were based solely on tenuous...mineral-exploration borehole in the Argenta mining district is significant for several reasons: (1) the Belt |  | | Corporate Document (Series) | | Geology and major deposits, Heazlewood mineral district ... Main mineral locations and 1:100 000 scale...sills, equivalent to those in Antarctica and South Africa. This dolerite is also mostly unmineralised...widespread uplift and erosion, but there were some local high-level, lamprophyric and alkaline igneous intrusions...mine at Beaconsfield and mines in the Mathinna district being the major producers. The former Tasmania...Heazlewood area (fig.4 Prospectors worked their way south through difficult terrain and rainforest, and found |  | | Journal (article/letter/editorial) | | experiments, all of which were modelled by Yin and Argent (1993). As an application of determining ∆Hmix...software from B iovia®. The calculations used the local density approximation (LDA) for the exchange–correlation...which were compiled and recalculated by Yin and Argent (1993). We therefore performed DFT calculations...experimentally determined solvus (solid circles) of Yin and Argent (1993). The broken line represents a calculated...4 Heat of mixing (∆Hmix) of the low albite (Na)–microcline (K) binary. The experimental data of Hovis (2017) |  | | Book | | Adular = Microcline, Orthoclase Adularolbit = overgrowth of Albite on Orthoclase or Microcline Adularia...Adularia = Microcline, Orthoclase Adventurine Aechynite = = Quartz a) Aeschynite·(Ce), Aeschynite-(Y)...Ajoite Ajuin = Hauyne AK = i m pure Kaolinite (South Devon Block Boll Cloy] Akodiolyt = Chaba:z:ite•Ca...Paragonite, Lepidolite Alkalifeldspath = Albite, Microcline, Alkali-Augite = i ntermediate between Aegirine...Amazonstone Microcline, Orthoclase Amalgame, Amalgame d'Ag, Amalgome d'Argent, Amalgame Natif d 'Argent = mercurian |  | | Book (volume) | | barytine, associée au quartz, à l'albite, .au microcline, à la galène, comme "minéral méta- morphique...vert par de la malachite et simulent ainsi ^ (district l’amazonite. ^tihbbYLITE . aa , 1 (T. III...rég'ion. , ; GROUPE DES EELDSPATIIS ORTUOSE ET MICROCLINE (T. II, pp. 64 et 118 ; T. IV, pp. 813 et...XXXIV. 235. 1911 ) les analyses suivantes du microcline de Runchy en Mesvres {Saône-et-Loire) [a), de...Maharitra, etc.) ou rosé. La structure de ce microcline est souvent quadrillée, , mais fréquem- ment |  | Gianni, Guido M., Navarrete, César, Echaurren, Andrés, Díaz, Marianela, Butler, Kristina L., Horton, Brian K., Encinas, Alfonso, Folguera, Andrés (2020) Northward propagation of Andean genesis: Insights from Early Cretaceous synorogenic deposits in the Aysén-Río Mayo basin. Gondwana Research, 77. 238-259 doi:10.1016/j.gr.2019.07.014 | Journal (article/letter/editorial) | | climate, drainage organization, and biodiversity in South America. Furthermore, it is crucial to unraveling...2001; among others). At this time, the western South American margin experienced a change in subduction...separation from Africa at equatorial latitudes and the onset of the westward acceleration of South America (Fig...Research 77 (2020) 238–259 of westward drifting of South America. This hypothesis has been recently favored...the initiation of orogeny closely after southern South Atlantic opening, which has direct implications |  | Gomez-Caballero, J. A., Villasenor-Cabral, M. G., Santiago-Jacinto, P., Ponce-Abad, F. (2010) HYPOGENE Ba-RICH TODOROKITE AND ASSOCIATED NANOMETRIC NATIVE SILVER IN THE SAN MIGUEL TENANGO MINING AREA, ZACATLAN, PUEBLA, MEXICO. The Canadian Mineralogist, 48 (5) 1237-1253 doi:10.3749/canmin.48.5.1237 | Journal (article/letter/editorial) | | Mexico, is an old, now-abandoned silver mining district worked intermittently since Colonial times until...de l’État de Puebla, au Mexique, est un ancien district minier aujourd’hui abandonné; le minerai d’argent...métallurgique. Mots-clés: todorokite, manganosite, barium, argent natif, Pliocène, San Miguel Tenango, Puebla, Mexique...located 4 km S50E in straight line from its municipality, Zacatlán, in the northern part of the State...the rich Lucky Cuss mine in the Tombstone mining district, in Arizona, were reported by Rasor (1939) and |  | | Book (edition) | | ), W. Sartorfus. von Waltershausen. Von Zeph., Victor von Zepharovitch. Wacht., T. Wachtmeister. Vitruv...amalgam halbflUssiges; ; amalgam de Lisle; argental argent amalgame, Dufr. dodecahedral mercury, Mohs; mercnre...See Microcline and + Am- phibole (Jade). Amazonit. See Microcline. Amazonstone. See Microcline and...soda-hornblende. Argent. See Silver. Argent amalgame. See Amalgam. Argent antimonial. See Dyscrasite. Argent antimonial...ferro-arsenifere. See Dyscrasite. Argent antimoni^ sulfur^. See Pyrargyrite. Argent antimonie sulfure noir. |  | | Book | | Dédiée au physicien cristallographe autrichien Victor von Lang (1838-1921). © Cu°*4 (S0,)(0H)6°2 H20... Miargyrite, Argent rouge antimonié + Du grec mikros, peu considérable, et argyros, argent, soit «moins...«moins d'argent» (car la plus faible teneur en argent des «argents rouges»). - AgSbS> Cristaux tabulaires...et rutile, plus durs. À éclat mat Proustite, Argent rouge clair + Dédiée au chimiste français Joseph... Pyrargyrite, Argent rouge foncé + Du grec pyr, feu, et argyros, argent, soit «argent rouge feu» (référence |  | | Journal (article/letter/editorial) | | oxides as accessory minerals. Alkali feldspar is microcline with medium-grained, ranging from 3.5×3 mm to...perthitic texture. The representative composition of microcline ranges from Or86.9 to Or92.7 and the complete...oxides as accessory minerals. Alkali feldspar is microcline. In thin section this mineral has typical medium...muscovite. The representative composition of microcline ranges from Or81.7 to Or90.4, and the complete...whereas Plb occurs in the matrix or as inclusion in microcline. Both plagioclases have uniform oligoclase compositions |  | | Journal (article/letter/editorial) | | and Sr. Petrographic evaluations indicate that microcline and plagioclase have been replaced by perthite...diverse origins of involved fluids. Regional and local geology The LCPC is a composite batholith that...15-2.5 mm) rock composed of quartz (30 32%), microcline (33-39%), plagioclase (29-31%), biotite and muscovite...apatite, rutile, sericite, and clay minerals. Microcline varies in composition from Ab6Or9~ to Ab~2Or88...perthites are rarely found in the monzogranite. Microcline tends to be clear and devoid of obvious signs |  | | Book (edition) | | ), W. Sartorius von Waltershausen. Von Zeph ., Victor von Zepharovitch . Pell ., Bertrand Pelletier...; amalgam natif, de Lisle ; argental mercury ; argent amalgame, Dufr .; dodecohedral mercury, Mohs;...Amazonenstein . See Microcline. Amazonit. See Microcline . Amazonstone. See Microcline. Amber . See Succitine...Mohs; soda-hornblende. Argent. See Silver. Argent amalgame. See Amalgam . Argent antimonial. See Dyscrasite...Dyscrasite . Argent antimonial ferro -arsenifère . See Dyscrasite. Argent antimonié sulfuré. See Pyrargy |  | Fogliata, A.S., Báez, M.A., Hagemann, S.G., Santos, J.O., Sardi, F. (2012) Post-orogenic, Carboniferous granite-hosted Sn–W mineralization in the Sierras Pampeanas Orogen, Northwestern Argentina. Ore Geology Reviews, 45. 16-32 doi:10.1016/j.oregeorev.2011.12.001 | Journal (article/letter/editorial) | | two-mica porphyry granite (Báez et al., 2005). In the south, granodiorites and tonalites with biotite, hornblende...de Mazán The Sierra de Mazán is a nearly north–south oriented mountain belt in the northeastern part...northeast (or southwest), and outcropping mainly in the south 18 A.S. Fogliata et al. / Ore Geology Reviews...age (Stipanicic and Linares, 1975), which in the south is bordered by a mylonitic belt (Toselli and Toselli...characterized by deformed tonalites, whereas in the south an undeformed calc-alkaline granite stock is exposed |  | | Journal (article/letter/editorial) | | la Hoja 22 h, Santa Rosa, Provincia de San Luis, Argent Reprh Dir. Nac. Mineria. Unpublished. 1802 C...tourmaline were found in addition to qtartz, microcline,plagioclase and muscovite. In the northern part...approximately 36 kilometers northwest of Santa Rosa south of the road between this town and Balde de Escudero...to Punta del Agua. A few kilometers south of Los Aleros and south of the Pasodel ReyLa Toma road are the...Luis and of graftonite from the Nickel Plate Mine, South Dakota. The spacingsof beusite given in Table 4 |  | | Book (volume) | | (K^ Ba) AB SB O Feldspaths tricliniques ( Microcline I Anorthose K AI Si"* O® (Na, K) AI Si® O®...allongés (fig. 16). Macle du microcline. macle rencontre se microcline (voir plus loin) : elle d’une...microperthitujue, ortbosc ou les suiv'ant le microcline facules d’albite ou d’anorlhose. Lame mince...qu’aux plus forts grossissements se (voir à microcline) leur composition chimique correspond, du reste...damouritisatiou). On sait que ce feldspaths acides (orthose, microcline, albite) qui présentent ce mode de décomposition |  | | Report (issue) | | Waltershausen . Nutt., Thomas Nuttall. Von Zeph ., Victor von Zepharovitch . Pell., Bertrand Pelletier....halbflüssiges ; amalgam natif, de Lisle; argental mercury ; argent amalgame, Dufr.; dodecohedral mercury, Mohs; mer...alumstone, Phill .; alun de Amazonstone. See Microcline. Rome pt., H .; lave altérée alunifère ; Amber...soda-hornblende . Argent. See Silver. Argent amalgame. See Amalgam . Argent antimonial. See Dyscrasite. Argent antimonial...arsenifère. See Dyscrasite. Argent antimonié sulfuré. See Pyrargy rite . Argent antimonié sulfuré noir. |  | | Book (edition) | | Southern Africa a Collector’s Guide ■ Rocks, Minerals and Gemstones of Southern Africa & — - ... T ~ '' .rats en&nes L of Southern Africa A Collector’s Guide - Struik Publishers (an operating...suggestions and advice. Author’s Preface Southern Africa has much to offer the amateur geologist, whatever...best plan is to take local advice wherever you are. 9 In small places try the local police station first...usually helpful and will know it there are any local gem clubs and how to get in touch with them. There |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Journal (article/letter/editorial) | | Sciences and Resources Institute, University of South Carolina, Columbia, SC 29208 (U.S.A.) Received August...distribution of facies association changes from north to south in the basin, according to several depositional...northeast by the Sierra Pintada massif and to the south by the North Patagonian massif (Fig. 1A). The northeastern...polycrystalline quartz is abundant. Zoned plagioclases, microcline and andesite fragments are common. Chert is sporadically...Mountains (Kendall, 1969), and Carboniferous example in South Wales (Wright, 1986), all of which are examples |  | | Report (issue) | | Bay Mine Shuniah Mine Prince's Mine Jarvis Island South McKellar Island Pie Island Section 3: Thunder Bay-Manitoba...islands Prince's Mine, Spar and Jarvis islands South McKellar and Pie islands Rabbit Mountain area Silver...agate et de jaspe et d' anciennes mines d' or, d' argent et de cuivre situees sur /es fies et /es rives...lac Superieur ainsi que des gisements d' or, d' argent, de cuivre, defer, de zinc, de barytine et de spodumene... Ces endroits renferment des mines d' or et d' argent qui ont connu leur heure de gloire dans les annees |  | | Book | | Dureté 2,5 2,5 à 3 4 Exemples Sel gemme, ongle Or, argent, cuivre natifs Bronze 5,5 Verre et acier ordinaires...Le minéral se tord à la main ou au couteau : or, argent et cuivre natifs, tétraèdrite Or Cassure friable...Forêt-Noire), moyennant un droit d’accès (un magnifique argent natif a été ainsi découvert dans les années 2000)...sanidine… (c3) volcanisme d’arc : soufre, or et argent natifs, chalcopyrite, pyrite, arsénopyrite, sphalérite...autunite, anhydrite (d2) hydrothermal cémenté : argent natif, cuivre natif, cuprite, chalcocite (d3) volcanisme |  | | Journal (issue) | | Articles Famous mineral localities: The Castle D om e district, Yuma County, A r iz o n a ..................... Hay M icrominerals from the Bushveld Complex, South A f r ic a .......................................lead-zinc-silver mine, No. 1 Level, Cobar, New South Wales, Australia. Mined in 1988 by John Chapman...(Otherwise By Chance or By Appointment) Three miles south of Bancroft, Ontario, on the West side of Hwy. 62...The Castle D om e district is one o f the oldest and longest-lived mining district in A rizo n a . The |  | | Book | | métasomatiques .................... 2.1. L’équilibre local et les types de systèmes métasomatiques ..........cyanite leucophyllite liebenérite larnite leucoxène microcline méionite mélinite merwinite magnésite mica mica-montmorillonite...sein des colonnes métasomatiques à l'équilibre local, reproduites au Département de minéralogie expérimentale...processus hydrothermal. Le métasomatisme régional (local) se manifeste dans un environnement géologique varié...THERMODYNAMIQUE DES SYSTÈMES MÉTASOMATIQUES 2.1. L'équilibre local et les types de systèmes métasomatiques L'équilibre |
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