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| Bronze Age Copper Slags from South Urals and Kazakhstan: Ore Sources and Alloying Additions Dmitry A...Cis-Urals, Trans-Urals, and North and Central Kazakhstan are presented. The study used Cu-(Fe)-sulfides...chalcocite, as well as by rarer bornite and single chalcopyrite grains. Slag sulfides formed relic clasts and...Supergenic ores in the Bronze Age in Urals and Kazakhstan played a significant role in the mineralogical...from Bronze Age slags and mines in the Urals and Kazakhstan will permit the further identification of ore |
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| JULY–AUGUST 2022 Articles Dzhezkazgan, Karaganda Region, Kazakhstan .......................................451...3.5 cm, from Mine 21, Dzhezkazgan mine group, Kazakhstan. Joan Massague collection; Jeff Scovil photo...CRYSTAL CLASSICS Dzhezkazgan Karaganda Region, Kazakhstan Wendell E. Wilson The Mineralogical Record...Tpmoore1@cox.net The Dzhezkazgan District in central Kazakhstan has been known since the 1980s for fine specimens...had an estimated population of 85,189 in 2012. Kazakhstan has been in the process of shifting to the Latin |
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| copper derives. The history of research in each region is examined, as is the survival of early mine archaeology...Reconstruction of beneficiation process used to treat chalcopyrite ore in the Bronze Age mines of the Mitterberg...57 55 36 59 54 67 Sulphidic copper minerals* Chalcopyrite CuFeS2 Bornite Cu5FeS4 Idaite Cu3FeS4 Chalcocite...Water table Primary mineralisation (Protore) chalcopyrite CuFeS2 Fig. 1.2. Gossan formation and supergene...sandstone. Oxidation of the primary copper ore, chalcopyrite, produced large amounts of hydroxycarbonate |
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| seen in aragonite (light and dark orange). (A þ D) Region A exhibiting polycrystalline calcite within the...calcite overgrowth crystal in the inset. (B þ E) Region B with a crack running through the crystal with...observed in the outer parts of the fracture. (C þ F) Region C shows calcite crystals (light blue color) extending...orientation of the reaction front in that particular region. The crystallographic directionality of the apatite...and altered parts as well as from the interface region showed that the crystallographic orientation of |
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| ........................................ 5. Chalcopyrite G ro u p .....................................aluminium in the Northern Urals, the copper ores of Kazakhstan, the oil fields in the W est of the Urals and...magnifications often reveals minutest inclusions of chalcopyrite, native gold, etc., which implies that they...etc. Gels of organic origin are abundant in the region of the biosphere. Their formation is often associated...oriented crystals or by a solid “coating” of chalcopyrite —CuFeS2); (2) regularly oriented * Although |
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| discovered in the Bota-Burum U deposit, Southern Kazakhstan, was detected by characteristic bands in the...cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR |
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| kinematics and dynamics from a small area to a great region. Under his guidance, as well as valuable help from... . . . . 2.7 Thickened Continental Lithosphere Region in Qinghai–Xizang (Tibet)–Pamir [68] . . . . ....Adjacent Areas (1:20,000,000). But they negated the “Kazakhstan plate,” which was considered to exist for a long...should be divided mainly based on the period and region of plate formation, i.e., the period of forming...of so-called Kazakhstan plate in the past. Petrov et al. (2008) divided the Kazakhstan plate independently |
Jezkazgan, Ulytau Region, Kazakhstan