Results 71 to 80 of about 394,527 (166)
Journal of Economic Geology, 2019 Introduction The Chahfiruzeh porphyry copper deposit is located at 35 Km northwest of Shar-e-Babak in Dehaj–Sarduieh part of the Urumieh- Dokhtar magmatic arc (UDMA).
Mohammad Boomeri +2 more
doaj +1 more source
Journal of Geophysical Research: Solid Earth, Volume 131, Issue 8, August 2026.Abstract Titanomagnetite in alkaline maar deposits exhibits variable syn‐ and post‐crystallization alteration linked to wet emplacement and groundwater fluctuations, which remain poorly documented. Magnetic and mineralogical analyses of lapilli, scoria, and basalt from ICDP Eger drill cores S4 and S4b (Bažina maar, western Eger Graben, Czechia) reveal ...
Johanna Berckhan +6 more
wiley +1 more source
Journal of Economic Geology, 2015 Introduction The Fanuj titaniferous placer deposits are located 35 km northwest of the Fanuj, Sistan and Baluchestan province (1) . The studied area comprises a (2) small part of the late Cretaceous Fanuj-Maskutan (Rameshk) ophiolite complex (Arshadi ...
Seyed Javad Moghaddasi, Javad Yazdi
doaj
Georesursy, 2019 Over tens of years of mining and processing of ores and placers of gold in the world a huge amount of wastes originated in the form of spoil heaps and tailing dumps, in which the content of valuable components allow them to be considered a real ...
I.V. Kuznetsova +2 more
doaj +1 more source
, 2019 Magnetite is a widespread mineral, as disseminated or massive ore. Representative magnetite samples separated from various geotectonic settings and rock-types, such as calc-alkaline and ophiolitic rocks, porphyry-Cu deposit, skarn-type, ultramafic lavas,
Maria Economou-Eliopoulos +1 more
core +1 more source
, 2022 The Early Ordovician Manteigas granodiorite has been characterized as having a magnetic susceptibility with high heterogeneity and values compatible with the presence of ferromagnetic phases, such as magnetite. However, granitoids with magnetite are rare
Helena Sant’Ovaia +3 more
core +1 more source
, 2017 Modes of occurrences and geochemical characteristics of ilmenite and magnetite in the North Suoi Cun ultramafic rocks are studied to understand source, formation and evolution of magma chamber.
Tran Trong Hoa +9 more
core +1 more source
Oxidized and reduced Portuguese Variscan granites associated with W and Sn hydrothermal lode deposits: Magnetic susceptibility results [Granitos Variscos Portugueses oxidados e reduzidos e sua associação com mineralizações hidrotermais de W e Sn: Resultados de suscetibilidade magnética] [PDF]
, 2013 The central-northern region of Portugal mainland comprises an important W-Sn metallogenic province composed of various W, W-Sn, W-Mo and Sn hydrothermal lode deposits spatially related to Variscan granites. These granites are usually categorised into two
Martins, H, Noronha, F, Sant'Ovaia, H
core +1 more source
Origin of magnetite- and ilmenite-series granitic rocks in Sulawesi, Indonesia: magma genesis and regional metallogeny [PDF]
, 2013 Lateral and spatial variations magnetic susceptibilities of the granitic rocks from Sulawesi, Indonesia were studied for the first time in order to constrain its implication for their magma genesis and regional metallogenic.
Maulana, Adi
core
Mineralogy, geochemistry, and dispersal of opaque oxides on the continental shelf of the Cascadia margin [PDF]
, 1992 Opaque oxide minerals (ilmenite, chromite, and magnetite) in sands from the Oregon continental shelf have been studied to establish the provenance, dispersal, and grade of potential shelf placer deposits. The study area extends southward from offshore of
Ravi, Kommajosyula Subramanya
core +1 more source