Cordilleran Epithermal Cu-Zn-Pb-(Au-Ag) Mineralization in ...

large epithermal polymetallic (Cu-Zn-Pb-Au-Ag) deposits of the Cordilleran class. Of these deposits, Smelter Of these deposits, Smelter and Colquijirca, located in the northern sector of the district, are part of a continuously mineralized north-

Displacement of mined ground as a consequence of the ...

Displacement of mined ground as a consequence of the exploitation of Pb-Zn ore in the mine Crnac Pomik podkopanega terena kot posledica pridobivanja rude Pb-Zn v jami Crnac BlAgoje nedeljkoVic1, *, iVicA riSToVic2, gABriel Fedorko3 1University of Priština, Faculty of Technical Sciences, Kneza Miloša 7, 38220 Kosovs-ka Mitrovica, Serbia 2University of Belgrade, Faculty of Mining and Geology ...

Geology of Base-Metal Deposits

Sandstone–Lead Deposits 2.6. Ag–Pb–Zn Veins in Clastic Metasedimentary Terranes 2.7. Porphyry–Copper Deposits 2.8. Sediment-Hosted Stratiform Copper Deposits 3. Major Sources of Base Metals 3.1. Historical 3.2. Immediate Past and Present 3.3. Near Future Glossary Bibliography Biographical Sketch Summary In the geological and mining sense, the term "base metals" refers to …

B - Residual/Surficial

Direct replacement nonsulphide Zn-Pb deposits could be also significant sources of lead, as illustrated by the exploitation of the Magellan deposit, which has ore reserves of 8.5 Mt grading 7.12% lead.

Zinc and lead ores - Centralna Baza Danych Geologicznych

Zn-Pb deposits of the Bytom and Chrzanów regions are of the historical and scientific importance only. The deposits have been exhausted in the result of the exploitation conducted since the Middle Ages and now comprise some anticipated sub-economic accumulations of mainly oxide ores with minor participation of sulfide ores. The exploitation of deposits of the fourth region (Zawiercie) has not ...

exploitation for zn pb deposits - kroonvastgoed.be

Hydrothermal Alteration of Limestone and Mineral, Hydrothermal Alteration of Limestone and Mineral Exploration of Zn-Pb Skarn Deposits in the Sako-nishi Area of the Kamioka Mine, Central Japan

Exploration History and Mineral Potential of the Central ...

in carbonate-hosted Zn-Pb deposits in 1967. Probabilistic, discovery-time curve analysis indicates that over 50 showings remain undiscovered. Because logistics controlled the target selection, the standard assumption of a logical discovery process (from largest target to smallest target) is likely invalid. This means that large, untested targets may still exist in the district. Key words ...

The Rammelsberg shale-hosted Cu-Zn-Pb sulfide and barite ...

distinct from other shale-hosted Zn-Pb-Ag deposits by higher copper and gold grades and by exceptionally high total base metals, as illustrated in the diagram of Zn+Pb grade versus total contained Zn+Pb metal in selected giant and super-giant deposits (modified from Large et al.

Trace elements in Zn–Pb–Ag deposits and related stream ...

ABSTRACT The Zn–Pb–Ag metallogenic province of the western and central Brooks Range, Alaska, contains two distinct but mineralogically similar deposit types: shale-hosted massive sulphide (SHMS) and smaller vein-breccia occurrences.

Metallogeny of Permian–Triassic carbonate-hosted Zn–Pb and ...

cant correspondence between the distribution of CH Zn–Pb deposits and the main suture zones in and around the Iran Plate. Most of the orogenic Permian–Triassic-hosted MVT deposits occur along the su-

Pb-Zn ''SEDEX'' deposits and their copper stockwork roots ...

Pb-Zn ''SEDEX'' deposits and their copper stockwork roots, western Cuba Received: 7 January 1997 /Accepted: 25 September 1997 Abstract Base metal deposits in western Cuba belong to the SEDEX type, as defined by Carne and Cathro (1982). The age of the mineralisation is Jurassic. The host rocks of the deposits are gritstones, sandstones and black shales, with no igneous rocks …

Conceptual Modelling and Exploration Criteria for ...

The Zinkgruvan deposit is the largest stratiform Zn-Pb-Ag mineralization in Sweden. The most recent genetic model attributes ore formation to the discharge of oxidized, near-neutral pH ...

VOLCANIC-HOSTED MASSIVE SULPHIDE DEPOSITS - VMS

Lucky Strike Mine, Buchans VOLCANOGENIC MASSIVE SULPHIDES VMS Deposits are divided either: A. On the Basis of Ore Composition - Two Types… i) Cu-Zn Group ii) Zn-Pb-Cu Polymetallic Group or

Carbonate-hosted lead-zinc ore deposits - Wikipedia

Carbonate-hosted lead-zinc ore deposits are important and highly valuable concentrations of lead and zinc sulfide ores hosted within carbonate (limestone, marl, dolomite) formations and which share a common genetic origin. These ore bodies range from 0.5 million tonnes of contained ore, to 20 million tonnes or more, and have a grade of between 4% combined lead and zinc to over 14% combined ...

Puma Exploration and Trevali Mining Corporation drilled 13 ...

The deposit has a measured mineral resource of 3.68 million tonnes grading 5.57% Zn, 1.87% Pb, 0.36% Cu, 70.5 g/t Ag and 0.56 g/t Au, plus indicated mineral resources of 1.60 million tonnes grading 4.48% Zn, 1.63% Pb, 0.70% Cu, 65.3 g/t Ag and 0.88 g/t Au (for a combined measured and indicated resource of 5.28 million tonnes averaging 5.24% Zn, 1.80% Pb, 0.46% Cu, 68.9 g/t Ag and 0.65 g/t Au ...

exploitation for zn pb deposits - youngafrica.co.za

exploitation for zn pb deposits. ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G . 1 Ore Deposits ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS The vast array of ore deposit types and their particular ±ZnPb Orogenic gold deposits

(PDF) Modern prospecting for zinc and lead MVT ores near ...

In the last decade in Poland the exploitation of Zn-Pb sulfide ores of the MVT in the Upper Silesia Ore District decreased due the exhaustion of Zn-Pb ore resources in the Olkusz region, being now ...

Application of pyrite trace element chemistry to ...

Because it is undeformed and unmetamorphosed, the McArthur River deposit has been used as the basis to develop the classic model for sediment hosted stratiform Zn-Pb deposits (Croxford, 1968, Lambert and Scott, 1973, Murray, 1975, Cooke et al., 2000, Large et al., 2001, Large et al., 2002, Chen et al., 2003, Large et al., 2005) and to determine the primary geochemical halo to mineralization ...

Trepa ore belt and lead and zinc distribution in Badovc ...

Mineral deposit of Badovc, consisting of Pb-Zn-Ag mineralization, does not close genetically towards its deepest exploitation level. Keywords: Badovc mines, minerals, lead, zinc, distribution, Trepça ore belt, Kosovo. INTRODUCTION The history of silver, lead and zinc mining in Kosovo is intertwined with the history of Kosovo itself. In the modern era, the production of silver, lead and zinc ...

FORMATION OF A STRATIFORM Zn– PbAg SEDEX …

Exploitation For Zn Pb Deposits. FORMATION OF A STRATIFORM Zn–PbAg SEDEX DEPOSIT NUMERICAL SIMULATION PbZn deposits of the Western Fold Belt, Mount Isa terrain In Lister, .

Trepa ore belt and lead and zinc distribution in Badovc ...

importance in the mineral deposit Badovc. Pb and Zn distribution within the contoured ore body in Badovc is heterogeneous. Lateral Pb, Zn and Zn/Pb ratio distributions are studied for the ore bodies 6, 7 etc. of Badovc ore deposit. Mineral deposit of Badovc, consisting of Pb-Zn-Ag mineralization, does not close genetically towards its deepest exploitation level. Keywords: Badovc mines ...

B.C. Zinc Deposits Zinc - British Columbia

(Schroeter, Chou and Pardy, 2006) 0 200 Kilometres Besshi Massive Sulphide Cu-Zn [G04] Besshi Massive Sulphide Cu-Zn [G04] Kuroko/Noranda Massive Sulphide Cu-Pb-Zn [G06]

Zn-rich Volcanogenic Massive Sulphide (VMS) Deposits

resulted in abundant Zn-Pb dissolution, re-precipitation and upgrading of Zn grades in deposits leading to high-grade Zn-rich and zinciferous VMS deposits. Various lines of evidence (e.g., fluid inclusions, metal assemblages, mass balance constraints) suggest that magmatic

Sedimentary exhalative deposits - Wikipedia

Sedimentary exhalative deposits (SedEx deposits) ... This is distinct from other Pb-Zn-Ag and other deposits which are more intimately associated with intrusive or metamorphic processes or which are trapped within a rock matrix and are not exhalative. Genetic model ...

PROPOSAL TO EXPLORE FOR Zn-Ag-Pb DEPOSITS NEAR PIOCHE, …

PROPOSAL TO EXPLORE FOR Zn-Ag-Pb DEPOSITS NEAR PIOCHE, NEVADA LOCATION MAP Pioche Site Of Large Hydrothermal System With Widespread Mineralization.

The Hakkari nonsulfide Zn–Pb deposit in the context of ...

The Hakkari nonsulfide zinc deposit is situated close to the southeastern border of Turkey. Here both sulfide and nonsulfide Zn ≫ Pb ores are hosted in carbonate rocks of the Jurassic Cudi Group with features typical of carbonate-hosted supergene nonsulfide zinc mineralization.

exploitation for zn pb deposits - spitsid.eu

exploitation for zn pb deposits - studyhouse. Sediment-Hosted Lead-Zinc Deposits in Earth History. of sediment-hosted Pb-Zn deposits We examine the distribu-tions of these deposits …