Results 61 to 70 of about 764 (186)

Geophysical signatures of the gold rich porphyry copper deposits: A case study at the Dalli Cu-Au porphyry deposit

open access: yesJournal of Economic Geology, 2019
Introduction Geophysical exploration is an inexpensive, fast and efficient tool to provide valuable information about the sub-surface geological complications (Dentith and Mudge, 2014).
Moslem Fatehi, Hooshang Asadi Haroni
doaj   +1 more source

A genetic model for the Los Uvares gold deposit, Baja California Sur, Mexico

open access: yesGeofísica Internacional, 1997
Los Uvares gold deposit is a relatively small ore deposit (~500,000 tons of ore averaging 3 grams of gold per ton), lo¬cated in the crystalline complex of the Cabo San Lucas block in southern Baja California peninsula.
H. Huyck, A. Carrillo
doaj  

NEW DATA ON ORE MINERALOGY OF THE AK-SUG PORPHYRY Au-Mo-Cu DEPOSIT (NORTHEASTERN TUVA) [PDF]

open access: yesМинералогия
New data on ore mineralogy of the Ak-Sug porphyry Au-Mo-Cu deposit (Northeastern Tuva) are presented as a result of study of ore composition using optical and scanning electron microscopy.
M.V. Shadchin   +5 more
doaj   +1 more source

Re-Os molybdenite and LA-ICPMS-MC U-Pb zircon geochronology for the Milpillas porphyry copper deposit: insights for the timing of mineralization in the Cananea District, Sonora, Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
New geochronological data presented here improves the understanding of the temporal evolution of the Cananea Mining District, and particularly of the Milpillas porphyry copper deposit (northeastern Sonora, Mexico).
Víctor A. Valencia   +6 more
doaj  

Contribution from Mafic Melt to the Zhireken Porphyry Mo-Cu Deposit, Eastern Transbaikalia, Russia: Evidence from Mafic Microgranular Enclaves [PDF]

open access: yesInternational Journal of Economic and Environment Geology, 2010
Mafic microgranular enclaves (MME) were formed in felsic ore-bearing porphyries from the Zhireken por-phyry Mo-Cu deposit, eastern Transbaikalia, Russia. Porphyry rocks were emplaced during the Upper Jurassic.
ANITA, N. BERZINA , VITALY, I. SOTNIKOV
doaj  

DISTRIBUTION OF HALOGENS AND SULFUR IN APATITES FROM PORPHYRY COPPER DEPOSITS OF THE SOUTH URALS: NEW DATA [PDF]

open access: yesМинералогия, 2016
New data on distribution of halogens and sulfur in apatites from diorite intrusives of the Voznesenskoe and Elenovskoe porphyry copper deposits, as well as Kutuevskoe ore occurrence, are presented.
V.V. Kholodnov   +4 more
doaj  

A 2D seismic reflection dataset of the Caosiyao giant porphyry Mo deposit in the shallow coverage area in Jining, Inner Mongolia, China

open access: yesGeoscience Data Journal
Prospecting for and exploiting buried mineral deposits is currently challenging. Given their high precision and resolution, reflection seismic methods might be useful in such applications involving deep mineral deposits.
Kunqi Lin   +6 more
doaj   +1 more source

Erosion of porphyry copper deposits estimated by quantitative elemental content analysis on the example of Aktogay and Sungun ore fields

open access: yesИзвестия высших учебных заведений: Геология и разведка
Background. Porphyry copper deposits are attracting increased attention, which determines the relevance of studying their geochemical patterns to ensure a greater efficiency of geological fore casting. Aim.
T. P. Morozova, V. V. Dyakonov
doaj   +1 more source

“Hidden” mineralogical-geochemical zonality revealed by the laser microanalysis of sulfides at the Kyzyk-Chadr deposit, Republic of Tyva

open access: yesРуды и металлы
A comprehensive study of the Kyzyk-Chadr porphyry copper deposit included determination of the composition and spatial distribution of trace elements in ore-forming sulfide minerals over the ore-hosting rock volume.
Starostin I. A.
doaj   +1 more source

Insights from Molybdenum Isotopes into Rhenium Enrichment in Porphyry Mo Deposits: Evidence from the Shapinggou Deposit, Eastern China

open access: yesGeosciences
Rhenium (Re) is a critical metal indispensable to high-technology manufacturing, defense, and new energy industries. Molybdenite in porphyry deposits is one of the most important hosts of economically recoverable Re.
Wanping Ma   +3 more
doaj   +1 more source

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