Results 51 to 60 of about 1,691 (151)
NEW METALLOGENIC ASPECTS OF SKARNS FROM THE PITKARANTA ORE PROVINCE
The original results of high-precision mineralogical and geochemical studies of the skarn ore samples from the Pitkaranta Ore Province are reported. The main mineral ore assemblages, including 58 minerals revealed there for the first time (roquesite ...
Василий Иванович Иващенко +3 more
doaj +1 more source
The Akatani Fe deposit in NE Japan has been regarded as a skarn deposit because iron‐oxide ores occur within marble‐hosted skarn near the Cretaceous Ninoujidake granite. U–Pb dating of fluorapatite in the skarn indicates that this skarn formed in the Late Cretaceous, contemporaneous with the granite.
Kotaro Seno +6 more
wiley +1 more source
Paleocene to Oligocene tectonic processes in northwest Iran resulted in extensive I-type calc-alkaline and alkaline magmatic activity in the Ahar region.
Mollai Habib +2 more
doaj +1 more source
This study characterizes CO2‐bearing fluid inclusions in quartz from the Phayaung Taung mesothermal gold deposit, central Myanmar, using Raman spectroscopy. The results provide constraints on fluid composition, CO2 density, and possible formation conditions, indicating the involvement of low‐salinity H2O–CO2 fluids during gold mineralization.
Naing Aung Khant +5 more
wiley +1 more source
Prospects for the search for gold deposits within the limits of the Lypovenky-Sukhiy Tashlyk area of the Golovanivsk suture zone (GSZ) of the Ukrainian Shield (USh) have been considered, where in the 80―90s of the last century North Capitanian gold ...
V.N. Pavlyuk +3 more
doaj +1 more source
Sulfur isotope compositions of pyrite (δ34S = −2.80‰ to +4.43‰) cluster near 0‰, indicating a dominantly magmatic–metamorphic source. Fluid inclusion assemblages record a systematic evolution from CO2‐rich to mixed CO2‐H2O and subsequently to H2O‐dominant fluids.
Aung Min Oo +5 more
wiley +1 more source
Zonation in skarns: complexities and controlling factors
Skarns typically are zoned and the deposit- or district-scale zonation pattern is an important tool in exploration for skarn deposits. Zonation in individual deposits has been described in many publications, and the general zoning patterns have been ...
Meinert, L.D., Chang, Z.
core +1 more source
Research Progress and Typical Cases of Deep Mines Backfill Technology in China
With the increasing depletion of shallow mineral resources and the growing demand for metals, deep mining has become a strategic focus for China. However, deep mining operations face a series of complex challenges, including high ground stress, elevated geothermal gradients, and severe rockburst hazards.
Shuai Li +5 more
wiley +1 more source
Distal skarns host lead and zinc deposits in the Madan ore field in southern Bulgaria. These Mn-rich, pyroxene skarns formed due to cyclic pulses of metasomatic fluid during the early Oligocene, prior to Pb-Zn mineralization.
Hantsche, Aaron Lee
core +1 more source
Pétrologie et géochimie isotopique (S.C.O.) des skarns à scheelite de Costabonne
The rocks studied in this thesis are located at Costabonne, high up in the French Eastern Pyrenees. We have tried to observe and describe some of them and, with the help of analytical data and physic-chemical reasoning to get some idea about the ...
Guy, Bernard
core +1 more source

