Results 21 to 30 of about 25,108 (167)

Geology and mineralization of the Bayan Obo supergiant carbonatite-type REE-Nb-Fe deposit in Inner Mongolia, China: A review

China Geology, 2023
The Bayan Obo supergiant carbonatite-related rare-earth-element-niobium-iron (REE-Nb-Fe) endogenetic deposit (thereafter as the Bayan Obo deposit), located at 150 km north of Baotou City in the Inner Mongolia Autonomous Region, is the largest rare-earth ...
Yi-ke Li, Chang-hui Ke, Hong-quan She, Deng-hong Wang, Cheng Xu, An-jian Wang, Rui-ping Li, Zi-dong Peng, Ze-ying Zhu, Kui-feng Yang, Wei Chen, Jian-wei Zi, Wen-lei Song, Yong-gang Zhao, Li Zhang, Hong Yu, Bin Guo, Sheng-quan Zhou, Xing-yu Yuan, Jing-yao Liu   +19 more
doaj   +1 more source

Geological interpretation of aeromagnetic data in the middle and lower reaches of the Yangtze river metallogenic belt, China: implications for iron oxide-apatite (IOA) and skarn iron deposit exploration

Frontiers in Earth Science
IntroductionThe Yangtze River Metallogenic Belt (YMB) hosts extensive Mesozoic iron oxide-apatite (IOA) and skarn iron-copper deposits, with significant high-grade iron ore potential. However, the lack of systematic understanding of mineralization types,
Tengfei Ge, Xue Yang, Zhenyu Fan, Jingzi He, Xiuhe Gao, Xingsu Li, Liang Qiu, Zhengguo Fan, Xuzhao Huang   +8 more
doaj   +1 more source

Imaging of diseases with iron deposition

Rinsho Shinkeigaku, 2012
Some fundamental technical aspects of magnetic resonance imaging (MRI) in evaluation of iron deposition were discussed. MRI is an imaging modality sensitive to iron deposition of the brain tissue. T(2) weighted imaging (T(2)WI), T(2) weighted imaging (T(2)WI), and susceptibility-weighted imaging (SWI) are particularly available for this purpose.
openaire   +3 more sources

Mineralogy and electron microprobe studies of magnetite in the Sarab-3 iron Ore deposit, southwest of the Shahrak mining region (east Takab)

Journal of Economic Geology, 2018
Introduction There is an iron mining complex called Shahrak 60 km east of the Takab town, NW Iran. The exploration in the Shahrak deposit (general name for all iron deposits of the area) started in 1992 by the Foolad Saba Noor Co.
Mohammad Maanijou, Leila Khodaei
doaj   +1 more source

ON SILICATE OF IRON AS A URINARY DEPOSIT. [PDF]

The Lancet
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Iron’s fingerprint of deposits—iron speciation as a geochemical marker [PDF]

Environmental Science and Pollution Research, 2017
The article describes the studies of the iron speciation (the occurrence of Fe(II), Fe(III), and complexed iron) in acid leachable fraction of deposits. The speciation of iron was diverse for deposits of different origins and was the specific "fingerprint"-marker of deposition processes. The higher occurrence of Fe(II) may be connected with decantation
Przemysław Niedzielski, Lidia Kozak
openaire   +2 more sources

(U-Th)/He geochronology of supergene iron ores from Attepe, Eastern Taurides, Türkiye: Evidence for Early Pleistocene aridification

Bulletin of the Mineral Research and Exploration
The Taurus Mountains form the southern boundary of the Central Anatolian Plateau in Türkiye and represent part of the broader Himalayan-Tibetan orogenic system.
Serdar Keskin, Taner Ünlü
doaj   +1 more source

Mineralography, paragenesis sequence, and sulfur isotopic composition of Baba-Ali and Galali iron ore deposits from the Sanandaj-Sirjan zone, northwest Iran

Journal of Economic Geology
The northern part of the Sanandaj-Sirjan zone hosts important iron deposits formed during the Mesozoic magmatism. The Baba-Ali and Galali ore deposits occurred on the border of Hamedan, Kermanshah, and Kurdistan provinces.
Majid Shirmohammadi, Ali Asghar Sepahi, Mohammad Maanijou, Ashraf Torkian, Mirmohammad Miri , Mahsa Tahmasebi   +5 more
doaj   +1 more source

Corrosion Behavior of Pipeline Carbon Steel under Different Iron Oxide Deposits in the District Heating System

Metals, 2017
The corrosion behavior of pipeline steel covered by iron oxides (α-FeOOH; Fe3O4 and Fe2O3) was investigated in simulated district heating water. In potentiodynamic polarization tests; the corrosion rate of pipeline steel is increased under the iron oxide
Yong-Sang Kim, Jung-Gu Kim
doaj   +1 more source

Role of iron deposition in Sphaerotilus discophorus [PDF]

Journal of Bacteriology, 1976
Various physiological aspects of the process of iron deposition in Sphaerotilus discophorus were examined to elucidate its role. The values of iron/protein ratios suggested that a direct relationship existed between the iron concentration of the media and the magnitude of final iron deposition.
S R, Rogers, J J, Anderson
openaire   +2 more sources