Results 11 to 20 of about 1,691 (151)

Mineralogy of manganese skarns, genetically related to alkaline granites (on the example of the Ufa mine, Southern Urals) [PDF]

open access: yesЛитосфера, 2018
Skarns of spessartine-rhodonite composition were detected in the Southern part of the Ufalei metamorphic block within limits of the Ufimian iron mine deposit (Central Uralian uplift, Southern Urals). The skarns are associated with the zone of ferruginous
Anatolii I. Belkovsky   +1 more
doaj   +2 more sources

Petrogenesis and age of skarns associated with felsic and metamafic dykes from the Paraíba do Sul Complex, southern Espírito Santo State

open access: yesBrazilian Journal of Geology, 2017
: This paper concerns the study of petrography, mineral chemistry and geochronology of skarns generated at the contact of marbles of the Paraíba do Sul Complex with felsic and metamafic dykes in the southern Espírito Santo State.
Raissa Beloti de Mesquita   +4 more
doaj   +3 more sources

Geological and Mineralogical Analysis of Zhuantobe Skarns in Central Kazakhstan Considering the Influence of Textural Features on Iron Ore Quality

open access: yesApplied Sciences
The study of the material composition, textural, and structural features of skarns and magnetite ores is of great importance for increasing the efficiency of iron ore mining and its subsequent processing and enrichment.
Valeriy Korobkin   +3 more
doaj   +2 more sources

Banded skarns, an example of geochemical dissipative structure [PDF]

open access: yes, 1993
20 pages (texte), 6 pages (eight figures and one table)Banded skarns are metasomatic rocks produced by oscillatory precipitation on a centimetre scale. These rocks result from the transformation of homogeneous carbonate materials by aqueous fluids under ...
Guy, Bernard
core   +5 more sources

Kylylahti actinolite skarns [PDF]

open access: yes, 2023
. Kylylahti is a Cu-Zn-Ni-(Co)-Au deposit found in year 1984 by Outokumpu Company and exploited by Altona Mining and Boliden in years 2012–2020. It locates in Polvijärvi, Eastern Finland, 20 kilometres northeast of the famous Outokumpu deposit with which
Kekki, J-M. (Juha-Matti)
core  

Pétrologie et géochimie isotopique (S, C, O) des skarns à scheelite de Costabonne (Pyrénées orientales, France)

open access: yes, 1979
thèse de docteur ingénieurVarious types of rocks from the so-called Canaveilles Cambrian sequence are transformed into skarns near the Costabonne Hercynian granite (Eastern Pyrenees, France).
Guy, Bernard
core   +5 more sources

Superposed parageneses in the spurrite-, tilleyite- and gehlenite-bearing skarns from Cornet Hill, Apuseni Mountains, Romania

open access: yes, 2001
We describe the occurrence of high-temperature, spurrite-, tilleyite- and gehlenite-bearing skarns from Cornet Hill, part of the Metaliferi Massif, Apuseni Mountains, Romania, and the main mineral species developed in these rocks.
Fonteilles, Michel   +4 more
core   +6 more sources

Skarn garnets of the Novonikolaevskoe copper deposit (South Urals) [PDF]

open access: yesМинералогия
The paper describes the composition of skarn garnets of the Novonikolaevskoe Cu deposit (South Urals) in comparison with that of garnets of the Gumeshki and Tarutino skarn copper porphyry deposits in the Urals.
V.V. Khrebtievsky, O.Yu. Plotinskaya
doaj   +1 more source

Four tremolites from carbonate rocks of Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1976
Chemical composition and physical properties are given for four tremolites from Precambrian metamorphic carbonate rocks and skarns of Eastern and Northern Finland.
K. Hytönen, P. Ojanperä
doaj   +1 more source

GEOCHEMICAL FEATURES OF HOST ROCKS OF THE POROKHOVSKOE TUNGSTEN DEPOSIT (SOUTH URALS) AND THEIR ROLE IN CONCENTRATION OF ORE MATTER [PDF]

open access: yesМинералогия, 2023
The article contains the results of statistical processing of geochemical data for rocks of the Porokhovskoe tungsten deposit (South Urals) obtained during systematic geological exploration.
K.P. Maltseva   +4 more
doaj   +1 more source

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