| | Journal (article/letter/editorial) | evolution of the Karkonosze–Izera Massif (the Sudetes, Poland) — Towards a model Ksenia Mochnacka a, Teresa Oberc-Dziedzic...Protection, al. Mickiewicza 30, 30-059 Kraków, Poland University of Wrocław, Institute of Geological...Geological Sciences, Pl. M. Borna 9, 50-204 Wrocław, Poland a r t i c l e i n f o Article history: Received...Saxothuringian Basin), - Ještĕd (the Middle Devonian to Lower Viséan sedimentary succession deposited on the NE...periphery of the Bohemian Massif and shared by Poland, and Czech Republic (Fig. 1). The KIM is bordered | | | Journal (article/letter/editorial) | gold mineralisation at the Zloty Stok, Southwest Poland S. Z. Mikulski* and S. Speczik Inorganic and organic...from the Zloty Stok Au–As deposit in Southwest Poland have been studied. Magnetite-rich calcite-dolomite...Institute, 4 Rakowiecka street, 00-975 Warsaw, Poland *Corresponding author, email stanislaw.mikulski@pgi...schists; 2: Streaky quartz-plagioclase gneisses; 3: Dolomitic marbles; 4: Late Variscan granite; 5: Lamprophyre...tectonic-lithological structures in the older (Cambrian to Lower Carboniferous) sedimentary-metamorphic rocks.27 | | | Journal (article/letter/editorial) | of gold-bearing skarn deposits in the middle and lower Yangtze River Valley and adjacent regions Yiming...accepted 28 April 1999 Abstract The middle and lower Yangtze River Valley and adjacent regions are the...limestone, dolomitic limestone and dolomite of the Triassic, Carboniferous-Permian and Middle to Lower Cambrian...and exists mainly in the form of native gold and electrum. Arsenides, tellurides, bismuthides and selenides...gold-bearing skarn deposits, especially in the middle and lower Yangtze River Valley and adjacent regions. Some | | Yue, Su-Wei, Deng, Xiao-Hua, Bagas, Leon (2014) Geology, isotope geochemistry, and ore genesis of the Yindonggou Ag-Au(-Pb-Zn) deposit, Hubei Province, China. Geological Journal, 49 (4) 442-462 doi:10.1002/gj.2561 | Journal (article/letter/editorial) | of the deposits, has been metamorphosed at the lower amphibolite to greenschist facies, similar to other...and Dengying formations consist of limestone, dolomitic limestone, sericite schist, and phyllite, which...those found in the lower part of the Wudangshan Group. The deposit is hosted by the lower part of the Wudangshan...chalcopyrite, and a small amount of pyrargyrite, electrum, miedziankite, sandbergerite, and polybasite (Fig...coexists with galena with a eutectic texture, and electrum coexists with jalpaite in the fine-grained quartz–silver–gold | | Zhang, Zhi, Yao, Xiao-Feng, Tang, Ju-Xing, Li, Zhi-Jun, Wang, Li-Qiang, Yang, Yi, Duan, Ji-Lin, Song, Jun-Long, Lin, Xin (2015) Lithogeochemical, Re-Os and U-Pb Geochronological, Hf-Lu and S-Pb Isotope Data of the Ga'erqiong-Galale Cu-Au Ore-Concentrated Area: Evidence for the Late Cretaceous Magmatism and Metallogenic Event in the Bangong-Nujiang Suture Zone, Northwestern Tibet,. Resource Geology, 65 (2) 76-102 doi:10.1111/rge.12064 | Journal (article/letter/editorial) | ore-concentrated area is located roughly 30km east of Geji county at the south of the Bangong-Nujiang suture zone...volcaniclastic rocks. The carbonate rocks include marble and limestone which are related to the mineralization...contact skarn zone between the quartz diorite and marble or limestone. Without visible outcrop, the quartz...skarn belt between quartz diorite and marble or limestone. The lower part is the porphyry molybdenum (copper)...skarn belt between quartz diorite porphyrite and marble, and a small amount of mineralized molybdenum can | | Putz, H., Paar, W.H., Topa, D., Horner, J., L�ders, V. (2003) Structurally controlled gold and sulfosalt mineralization: the Altenberg example, Salzburg Province, Austria. Mineralogy and Petrology, 78 (1) 111-138 doi:10.1007/s00710-002-0230-3 | Journal (article/letter/editorial) | occur within the Central gneiss. Three different marble-hosted ore types following fracture systems as...230 C for the second and third stages in the marble. Introduction In the eastern Tauern window three...indistinguishable from the highly deformed gneiss. Marbles of dolomitic and calcareous composition showing variable thickness...sector. Locally, quartzite occurs at the gneiss–marble contact. Deformation history The structural setting...lineations along the contact gneiss–(quartzite)–marble are predominantly oriented to the E, W and NW, | | | Report (issue) | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...exceptionally fine, twinned analcite crystals from Houghton County ························-··-······-··-········...····· 41 2. Ankerite on siderite from Alpena County ···-··············-··················· 46 3....stalactitic limonite from Negaunee in Marquette County .................................................(Hexagonaria percarinata) of calcite from Charlevoix County .. ..... .. ....... ...... .. ............... | | Masurel, Quentin, Thébaud, Nicolas, Miller, John, Ulrich, Stanislav, Roberts, Malcolm Peter, Béziat, Didier (2017) The Alamoutala Carbonate-Hosted Gold Deposit, Kédougou-Kénieba Inlier, West Africa. Economic Geology, 112 (1) 49-72 doi:10.2113/econgeo.112.1.49 | Journal (article/letter/editorial) | consist of limestones locally interlayered with dolomitic horizons. Although the Eburnean orogeny was responsible...(Fig. 3). Metalimestones interlayered with minor dolomitic horizons crop out on the eastern walls and are...rocks (wacke, arenite, siltstone) Calcitic-dolomitic marble 70 60 70 ALDD006 331m 60 60 60 65...is presented as equal area stereonets using the lower hemisphere convention. 56 MASUREL ET AL. A-B)...after silty limestones consist of calc-silicate marble, reflecting a dependence on protolith composition | | Zhang, Zheming, Zeng, Qingdong, Guo, Yunpeng, Wang, Ruiliang, Yang, Jinhui, Chen, Yankun (2020) Genesis of the Kangshan Au-polymetallic deposit, Xiong’ershan District, North China Craton: Constraints from fluid inclusions and C-H-O-S-Pb isotopes. Ore Geology Reviews, 127. 103815pp. doi:10.1016/j.oregeorev.2020.103815 | Journal (article/letter/editorial) | includes two substages: a quartz-pyrite-chalcopyrite-electrum substage (Stage 21; the main Au mineralization...rite-Ag-bearing tetrahedrite ± chalcopyrite ± electrum substage (Stage 2-2; the main Pb-Zn-Ag mineralization...comprises mainly metamorphic rocks, including gneiss, marble, quartzite, and amphibolite (Kröner et al., 1988;...Ma) comprises mainly phyllite, quartzite, dolomitic marble, and sericitic calcareous schist (Jiang et...quartz, pyrite, chalcopyrite (Figs. 4A–B, 5E), and electrum (Figs. 5F–G); and Stage 2-2, the major Pb-Zn-Ag | | Li, Guang-Ming, Qin, Ke-Zhang, Li, Jin-Xiang, Evans, Noreen J., Zhao, Jun-Xing, Cao, Ming-Jian, Zhang, Xia-Nan (2017) Cretaceous magmatism and metallogeny in the Bangong–Nujiang metallogenic belt, central Tibet: Evidence from petrogeochemistry, zircon U–Pb ages, and Hf–O isotopic compositions. Gondwana Research, 41. 110-127 doi:10.1016/j.gr.2015.09.006 | Journal (article/letter/editorial) | deposit is located 170 km northwest AC of Gerze County, on the southern edge of the Qiangtang block, and...This deposit is located 100 km northwest of Gerze County and divided into the Duobuza (Fig. 2b) and Bolong...transitioning to sparsely disseminated ore in the lower part. The hypogene ore minerals are primarily chalcopyrite...is located in the northwest, 40 km from Gegyai County and south of the Bangong–Nujiang metallogenic belt...in the contact zone between the granodiorite and marble. NU Magnetite formed at an early stage in the | | | Book | ....243 APPENDIX II: MINERAL SPECIES LISTED BY COUNTY ...............................248 ABOUT THE AUTHORS...geographically: the Northern (Upper) and the Southern (Lower) Peninsulas, which, to a considerable degree, are...sandstone was converted to quartzite; limestone to marble; and shale became slate or mica schist. The youngest...MISSISSIPPIAN □ DEVONIAN SILURIAN ORDOVICIAN □ CAMBRIAN ■ LOWER PROTEROZIC 0 MIDDLE PROTEAOZIC ARCHEAN Figur...diabase dikes diabase dikes Portage Lake Volcanics Lower Keweenawan Kallander Creek Formation -------- | | | Journal (article/letter/editorial) | Vulcan Materials quarry in Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and...zircon), particularly in the Wausau area of Marathon County (Falster 1987). Middle Proterozoic quartzites (1...Wisconsin mineralogy. The index is arranged county by county (fig. 1). Where possible, township and range...for any I may have omitted. Adams County Hamilton Mound. A quarry is located in the NE 1/4 sec. 36 T*20N*R...Geological and Natural History Survey. Ashland County Ballou Creek. Outcrops of iron formation occur | | | Journal (article/letter/editorial) | Chalcopyrite impreguations Massivesulphideore Dolomitic marble ] . Hostrocks, schistose ] Hostrocks,...T6rnebohm (1893). This category of veins contains electrum (about 75 at.% Au, 25 at.% Ag), together with...grayish and clear quartz and electrum occurs in the vein center. Electrum is observed as small 0.1-1.0...and pyrrhotite. T6rnebohm (1893) also reported electrum occuring as pentagonal dodecahedron in quart.z... w t % NaC1 with a t e n d e n c y to peaks at lower salinities < 10 wt%. This indicates that the g o | | Chen, Cong, Wu, Taotao, Sha, Deming, Li, Dongtao, Yang, Zhongzhu, Zhang, Jing, Shang, Qingqing (2022) Genesis of the Dongpuzi Gold Deposit in the Liaodong Peninsula, NE China: Constraints from Geology, Fluid Inclusion, and C–H–O–S–Pb Isotopes. Minerals, 12 (8) 1008 doi:10.3390/min12081008 | Journal (article/letter/editorial) | which have been metamorphosed to the greenschist to lower amphibolite facies and locally to the granulite...schist. The Dashiqiao Formation consists of dolomitic marble intercalated with minor carbonaceous slate...schist, and staurolite–mica schist, with minor marble and quartzite. The Paleoproterozoic Liaoji granitoids...fault, and Early Cretaceous granitic plutons in the lower plate [9,13]. The extensional fault basins are mainly...strike NE–SW, and d tetrahedrite, native gold, and electrum (Figure 4). The nonmetallic minerals observed | | | Report (issue) | MIDDLE PHASE minor rocks Andesil nna *° 0 a stone, Lower: Middle ff O "° ...mamirnblore.- marslabtle and tic dacivtoolcatnic and marble and vastolcanicilacstic basal smeandrsatoent.e...metamorphic grade than units commonly found in the lower and middle assemblages they are not necessarily...metagraywacke/ and metachert, and minor graphite schist and marble (Schmidt and others/ 1973; Greenwood/ in press...associated graphitic schist/ metachert/ metatuff/ and marble of the overlying Bahah Group indicate deposition | | | Journal (issue) | 1939 Contents for August . 1939 CHIPS FROM TH E QUARRY .........................., .....................gold: by making it from orpiment." In regard to electrum, which is listed in Dana's Sys1e1n of 1\1ineralogy...one-fifth the ore is known also by the name of 'electrum' . If the proportion of silver exceeds one-fifth...on the anvil . . . . One peculiar advantage of electrum is its superior brilliancy to silver by lamp-light...discussion on color . . . The white liquid alumen marble, its use for buildings; the best being employed | | | Journal (article/letter/editorial) | of the Proterozoic Liaohe Group, consisting of marble, schist, and granulite. Three alteration/mineralisation...mafic from a basal clastic‐rich sequence and a lower bimodal‐volcanic rocks, extended from the Jiaodong–Liaodong...morphic basement rocks comprise mainly the dolomitic marble, of marble and schist interlayered with granulite...Gaixian Formation is composed of schist with thin marble interbeds Formation, together with the mica schist...grains. Silicic alteration is often developed, and electrum and native silver are sparsely disseminated in | | Dequan, Zhang, Hongquan, She, Chengyou, Feng, Daxin, Li, Jinwen, Li (2009) Geology, age, and fluid inclusions of the Tanjianshan gold deposit, western China: Two orogenies and two gold mineralizing events. Ore Geology Reviews, 36 (1) 250-263 doi:10.1016/j.oregeorev.2009.06.002 | Journal (article/letter/editorial) | shear zone and N–S-trending folds. Native gold and electrum are present as very fine grains, mainly enclosed...hornblende–biotite–plagioclase gneiss, schist, and marble. Whole-rock Sm–Nd isochron and Rb–Sr and U–Pb zircon...Wandonggou Group in NBQB consist of marble with quartz–sericite schist at lower levels, and carbonaceous quartz–sericite...with calcareous schist in upper parts. Marble from the lower part is seen in the northeastern and southern...(Fig. 2). The marble consists of thickbedded dolomitic marble and banded dolomitic marble. This contains | | Wang, Minfang, Shang, Xiaoyu, Zhang, Fucheng, Wei, Ketao, Wang, Wei (2019) In-situ major and trace element chemistry of melanite from Tieshan Fe–Cu skarn deposit, Hubei Province, Eastern China: Implications for hydrothermal fluid evolution. Ore Geology Reviews, 111. 102996 doi:10.1016/j.oregeorev.2019.102996 | Journal (article/letter/editorial) | district, the largest ore district of the Middle–Lower Yangtze River Metallogenic Belt (MLYRMB) in Eastern...Tieshan pluton, which intruded the carbonates of the Lower Triassic Daye Formation. The orebodies are predominantly...contact zone between the (quartz)-diorite and (dolomitic)-marble. EMPA analysis shows that the Tieshan garnets...present in the rim (than in the core), indicating lower salinities and higher fO2 of the late-stage ore-forming...Zhang et al., 2017; Zhou et al., 2017). The Middle–Lower Yangtze River Metallogenic Belt (MLYRMB) is one | | | Catalog/List | radial groups on limonile ........... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals...lapis AJOITE Copper aluminum silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and...cerium aluminum silicate California Los Angeles County, Pacoirna Canyon Large black tabular crystals in...basic sulfate of aluminum and potassium Utah .Piute County, Tushar Mountains, Marysvale ----i'>ink crystalline...crystal vugs ALTAITE Lead telluride Colorado Saguache County, Klondike mine Cleavage plates in quartz with pyrite | | | Journal (article/letter/editorial) | Ore Geology Reviews 15 Ž1999. 177–242 The Lower Changjiang žYangzirYangtze River / metallogenic belt...1999; accepted 23 September 1999 Abstract The lower valley of Changjiang, from Wuhan of the Hubei Province...granitoid intrusions and subvolcanic complexes in the Lower Changjiang metallogenic belt are characterized by...rifting regimes. Most polymetallic deposits in the Lower Changjiang metallogenic belt are clustered in seven...Middle Carboniferous Huanglong Formation, Lower Permian and Lower– Middle Triassic carbonate and evaporite | | | Journal (article/letter/editorial) | thin (<50 m) sequence of quartzite, pelite, and marble of the Karrat Group (Coppard et al., 1992). Originally...ic succession and has been subdivided into the lower Karrat Group, the Qeqetarssuaq For mation, and...deformed Associated igneous activity Carbonate, dolomitic shale, dolomites Tectonic or metamorphic overprint...Formation is composed predominantly of dolomitic and calcitic marble that hosts the Pb-Zn deposits of the...calcareous metasandstone, which is overlain by dolomitic marbles that transition to calcitic marbles in | | | Journal (article/letter/editorial) | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns)...Dumortierite Duranusite Dyscrasite Edingtonite Electrum Embolite Emplectite Enargite Enstatite Epidote...places. Aggregates, sand and gravel are followed by quarry and dimension stones (Prentice, 1990; Lorenz, 1991)...vapor-derived fluid) of any composition with a density lower than its critical density are involved in the formation...various hydrous aluminum oxides and hydroxides. Dolomitic carbonatite. Shale enriched in organic matter | | | Journal (article/letter/editorial) | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns)...Dumortierite Duranusite Dyscrasite Edingtonite Electrum Embolite Emplectite Enargite Enstatite Epidote...places. Aggregates, sand and gravel are followed by quarry and dimension stones (Prentice, 1990; Lorenz, 1991)...vapor-derived fluid) of any composition with a density lower than its critical density are involved in the formation...various hydrous aluminum oxides and hydroxides. Dolomitic carbonatite. Shale enriched in organic matter | | | Report (issue) | placer areas in the United States—Continued State-county or regiondistrict Period Production (1,000 oz...oz gold) CALIFORNIA--Continued: State-county or regiondistrict Period ALASKA: Production (1,000 oz...(>n431) Yavapai County Lynx Creek-Walker 1862-1959 1863-1959 (267) 100 Yuma County La Paz 1862-1959... (68,200) Amador County Volcano 1903-1958 1903-1932 (290) 100(?) Butte County Oroville 1880-1959...1880-1959 1903-1959 (3,123) 1,964 Calaveras County Camanche Jenny Lind Tertiary gravels2 1848(?)-1959 Unknown |
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