Results 51 to 60 of about 233 (169)

PROGNOSTIC ESTIMATE OF NOBLEMETAL RESOURCES IN PROMISING ORE DISTRICTS OF THE KARELIAN REGION

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2017
The gold and platinoid resources of the Karelian region are expected to increase. Our prediction is based on the leading genetic types of noble-metal mineralization known in the region such as the low-sulphide Pt-Pd type in layered plutons and gabbro ...
Анатолий Иванович Голубев   +3 more
doaj   +1 more source

Petrogenesis of Granitoids, U-Pb zircon geochronology, Sr-Nd Petrogenesis of granitoids, U-Pb zircon geochronology, Sr-Nd isotopic characteristics, and important occurrence of Tertiary mineralization within the Lut block, eastern Iran

open access: yesJournal of Economic Geology, 2012
Tertiary intrusive granitoids within the Lut block in the Khorasan Razavi and South Khorasan provinces are mainly sub-volcanic with porphyry texture and their composition varies from granite to diorite but monzonite is dominant.
M.H. Karimpour   +3 more
doaj   +3 more sources

Whole-rock geochemistry of hydrothermal alterations and its relationship with gold mineralization in the Shourab prospect, Isfahan [PDF]

open access: yesعلوم زمین خوارزمی
The Shourab prospect, located in the west of Central Iran, exhibits significant hydrothermal alteration and trace element anomalies linked to potential Iron Oxide Copper-Gold systems (IOCG) mineralization.
Alireza Rezaei Alishahdani   +4 more
doaj  

Chemical Compositions of Fluid Inclusions in the Jalal –Abad iron oxide deposit, North West of Zarand, Using LA-ICP-MS Microanalysis

open access: yesJournal of Economic Geology, 2017
Introduction The Poshtebadam Bafq Zarand district in central Iran is a world class iron oxide province. This region contains over two billion tons of iron ore reserves within more than 34 major magnetic anomalies and deposits in an area of 7,500 km2 ...
Behrouz Karimi Shahraki, Behzad Mehrabi
doaj   +1 more source

Regional patterns of soil magnetic susceptibility and color in the Itacaiúnas River Watershed: Geological influences and practical applications

open access: yesGeoderma
Magnetic susceptibility (MS) is directly related to magnetic minerals in soils, primarily magnetite and maghemite. Determining MS and soil color is easy and cost-effective using sensors.
Paula Godinho Ribeiro   +7 more
doaj   +1 more source

Volcanogenic features of IOCG deposits of North Carajás, Brazil, and related constraining evidence

open access: yesJournal of the Geological Survey of Brazil
The magnetitic Cu-Au (IOCG) deposits of north Carajás, Amazonian Craton, Brazil, are hosted in the Neoarchean (2.76 Ga), dominantly basaltic-greywacke Itacaiúnas metavolcanic-sedimentary sequence that evolved in a continental rift setting.
Ana Maria Dreher, Sérgio Martini
doaj   +1 more source

Petrographic Evidences for the Origin of Iron in IOCG IronDeposits of Kuh-E-Faryadoon and Kouli-Kosh, Southeast Central Iran [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2013
Kuh-E-Faryadoon and Kouli Kosh iron deposits are hosted by regional metamorphic rocks of Sanandaj-Sirjan zone around Deh-Bid area. Plugs and domes of acid rocks protrude these metamorphic rocks.
M. Sabzehei, H. Mirzaei, M Mostafavi
doaj  

Predictive lithological mapping through machine learning methods: a case study in the Cinzento Lineament, Carajás Province, Brazil

open access: yesJournal of the Geological Survey of Brazil, 2019
The Cinzento Lineament (Carajás Mineral Province) represents a complex deformational system with great associated mineral potential, mainly for IOCG deposits.
Iago Sousa Lima Costa   +2 more
doaj   +1 more source

Apatite chemistry - a potential tool for IOCG exploration

open access: yes, 2006
Northern Norrbotten is an important mining region of Sweden and is regarded as an iron-oxide copper-gold (IOCG) district hosting several apatite-iron oxide and copper-gold sulphide ores (e.g. Hitzman et. al., 1992). The IOCG group of deposits is diverse with respect to age, host rock, ore and alteration mineralogy as well as ore-forming processes and ...
Edfelt, Åsa   +3 more
openaire   +2 more sources

Caracterização geológica do prospecto de óxido de ferro-cobre-ouro (IOCG) Aurora, Ceará, Brasil

open access: yesBrazilian Journal of Geology
Resumo: O Prospecto Aurora localiza-se na região nordeste do Brasil (Estado do Ceará), na porção central da Província Borborema, no Domínio da Zona Transversal e possui idade meso a neoproterozoica, ao longo do Lineamento Patos.
Sérgio Roberto Bacelar Huhn   +3 more
doaj   +1 more source

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