 | | Journal (article/letter/editorial) | | Alkaline-Ultramafic Zhilandy Complex of Central Kazakhstan: Structure and Geochronology R. M. Antonyuka...alkaline-ultramafic Zhilandy Pluton in Central Kazakhstan gave an Early Ordovician age of 479 ± 3 Ma. The...for understanding the geodynamic evolution of the region. The study of the Zhilandy Complex plutons was... magnetite, pyrrhotite, and pentlandite, while pyrite, rutile, and apatite are less common. The core...LLP Tsentrgeolsemka, Karaganda, Republic of Kazakhstan Geological Institute, Russian Academy of Sciences |  | | Journal (issue) | | 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 |  | | Book | | (austausch) of a component; e.g., limonite after pyrite or fluorite after calcite d. exchange of all components;...an epimorph is a thin coating that occurs when a pyrite crystal is altered on the surface to limonite....exchange of constituents; e.g., goethite after pyrite, galena after pyromorphite d. Total replacement;...altering the form of the crystal. Thus a crystal of pyrite may be changed to goethite. If the change is more...as for example, when only the periphery of the pyrite crystal has been change to goethite, an epimorph |  | | Book (volume) | | 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 |  | | Book | | Group...................................... 10. Pyrite Group ...........................................aluminium in the Northern Urals, the copper ores of Kazakhstan, the oil fields in the W est of the Urals and...malachite is bright-green; the cubic crystals of pyrite are readily identifiable by their pale brass-yellow...they are said to have a metallic lustre (galena, pyrite, arsenopyrite); in others, minerals have the appearance...peculiar crystal forms. Examples are the cubes of pyrite, the rhombododecahedra of garnet, the hexag onal |  | | Book | | copper derives. The history of research in each region is examined, as is the survival of early mine archaeology...This process intensifies in deposits with a high pyrite content where the mineral breaks down to form sulphuric...massive sulphide deposits, such as the Iberian Pyrite Belt of Spain and Portugal, as well as sediment-hosted...generally difficult to obtain detailed mapping for any region of the type of small surface ore deposits that...potential mine sources in the Trentino-South Tyrol region of northern Italy (Preuschen 1962, 1973). Elsewhere |  | | Book | | 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 |  | | Book | | rocks. Until recently the rock species found in the region of Transvaal in South Africa were believed to be...rubidium-strontium "clock". Their conclusion was that this region had twice undergone most powerful geological compressions...maximum photosensitivity in the far ultraviolet region of the spectrum compared with analogous cesium...major centre of the chemical industry. This is the region of the richest deposits of carnallites, sylvinites...of the Trans-Baikal area in Siberia moved to the region of the Urov, a tributary of the river Argun, where |
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