 | Gebru, Yeman, Elueze, Anthony Azubuike, Amare, Kassa, Dongmo, Franck Wilfried Nguimatsia (2019) Compositional characteristics and genetic affinity of the ferricrete deposit in Adi Kokeb district, northwestern Tigray, Ethiopia. Applied Earth Science, 128 (4) 146-157 doi:10.1080/25726838.2019.1611089 | Journal (article/letter/editorial) | | characteristics and genetic affinity of the ferricrete deposit in Adi Kokeb district, northwestern Tigray, Ethiopia...University, Mekelle, Ethiopia ABSTRACT The ferricrete deposit in Adi Kokeb district was investigated using field...observations confirmed the presence of kaolinites, thin iron bands and relict quartz veins. Petrographic studies...revealed that quartz, sericite, muscovite, orthoclase feldspar and iron oxides/hydroxides are the dominant minerals...(0.098 wt.%), are highly depleted, confirming that iron precipitation with subsequent oxidation is major |  | | Journal (article/letter/editorial) | | Geol. 89, 317-328, 1994 Mineralogy and genesis deposit, South of Kutinga Orissa, manganese India ...hausmannite,lithiophoriteand wad. Quartz, chalcedony,orthoclase, garnet and kaoliniteare the associatedgangueminerals...inclusionswithin the quartz and orthoclase; and also adsorbedin the secondarymanga nese and iron minerals. Field characters...removalof silica, but will not respondwell to removalof iron and phosphorousby physicalbeneficiation. Keywords:...amounts of iron and/or phospho rous. Around 95% of manganese ore in India is utilised in iron and steel |  | Chen, Shu'e, Fan, Shuanghu, Yang, Liuchen, Zhang, Yibin, Zhang, Li, Liu, Lei, Zhang, Tianyu (2018) The characteristics, origin, and significance of mafic microgranular enclaves in the granitoids from the Bailingshan complex, Eastern Tianshan, NW China. Geological Journal, 53. 87-96 doi:10.1002/gj.3232 | Journal (article/letter/editorial) | | rich fine dark minerals. Among the enclaves, the orthoclase xenocryst with hornblende aggregation rim at...isotopes (δ34S(V‐CDT) = −1.7‰ to +0.7‰) from the iron ores in the Bailingshan area indicate that the mineralization...mafic magma and crust‐derived felsic magma. The iron ore mineralization in the Bailingshan area may be...(syenogranite); 8 = iron deposit; 9 = copper–iron deposit; 10 = lead and zinc deposit; 11 = silver deposit; 12 = regional...complex and a single the formation of numerous iron ore deposits in this area. Based on the intrusive |  | | Journal (article/letter/editorial) | | Review Article The Fanshan Apatite-Magnetite Deposit in the Potassic Ultramafic Layered Intrusion, North...out on the Fanshan layered apatite (-magnetite) deposit, which occurs in the Fanshan complex, a potassic...biotite clinopyroxenite. The apatite (magnetite) deposit is situated near the top of rhythmic Unit no. 6...6 of the First-Phase Intrusive. The economical deposit comprises Orebody II and Orebody III. Orebody II...apatite (magnetite) magmatic deposit. Keywords: Fanshan apatite-magnetite deposit, potassic ultramafic-syenite |  | | Journal (article/letter/editorial) | | Rhythmic Layering in the Apatite (-Magnetite) Deposit in the Fanshan Complex, North China Chun CHENG1...rhythmic layers. The Fanshan apatite (-magnetite) deposit is situated near the top of no. 6 rhythmic Unit...Intrusive. Two sketch maps were drawn through the deposit along no. 25 cross-cut on 425 mL and no. 1 crosscut...trends of Mg/(Mg+Fe*+Mn) atomic ratio (Fe*: total iron) of biotite and clinopyroxene indicate that the...This study suggests that the apatite (-magnetite) deposit is formed through fractional crystallization process |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . 15 Iron County . . . . . . . . . . . . . . . . . . . . ...Yellow Cat District (W. part of Thompsons District). IRON COUNTY CACHE COUNTY Paradise District (Bear River...District (Mt. Escalante). Gold Springs District (Hamlin Valley). Iron Springs District (Iron and Granite...Granite Mountains, Three Peaks). Pinto Iron (Silver Belt) District (Pinto). Stateline District (Hamlin Valley)...(Wasatch Mountains). Mona District (Long Ridge). Mt. Nebo (Timmons) District (Wasatch Mountains). North |  | Jiang, N., Chu, X., Mizuta, T., Ishiyama, D., Mi, J. (2004) A MAGNETITE-APATITE DEPOSIT IN THE FANSHAN ALKALINE ULTRAMAFIC COMPLEX, NORTHERN CHINA. Economic Geology, 99 (2) 397-408 doi:10.2113/gsecongeo.99.2.397 | Journal (article/letter/editorial) | | SCIENTIFIC COMMUNICATIONS A MAGNETITE-APATITE DEPOSIT IN THE FANSHAN ALKALINE ULTRAMAFIC COMPLEX, NORTHERN...important sources of phosphate, iron, or titanium. The giant Khibiny apatite deposit in the Kola Peninsula of...(Notholt, 1979), the Kiruna magnetite (apatite) deposit in Sweden (Frietsch, 1978), and the rutile deposits...crystallization of mafic magma that produces an iron-enrichment trend in the residual fluid is another...The Fanshan magnetite-apatite deposit in North China has a reserve of 76 Mt of apatite ore averaging 11 |  | | Book | | adventure of Sutter, the great ‘‘goldrushes”’ in Australia, the Klondyke, etc. In the recent past, the prodigious...low iron and magnesium content, basalt is black, contains little silica, but a great deal of iron and...basic rocks, with a low silica content, but rich in iron and magnesium (kimberlites), in chimneys rising...commonly found since the earliest times (the Golconda deposit, India). 1 — Diamond 2 — Diamond (South Africa):...precious opals (which come from Hungary and ‘Australia). The superb play of rainbow colors inside the |  | Ganno, Sylvestre, Tsozué, Désiré, Kouankap Nono, Gus Djibril, Tchouatcha, Milan Stafford, Ngnotué, Timoléon, Gamgne Takam, Ruth, Nzenti, Jean Paul (2018) Geochemical Constraints on the Origin of Banded Iron Formation-Hosted Iron Ore from the Archaean Ntem Complex (Congo Craton) in the Meyomessi Area, Southern Cameroon. Resource Geology, 68 (3) 287-302 doi:10.1111/rge.12172 | Journal (article/letter/editorial) | | Geochemical Constraints on the Origin of Banded Iron Formation-Hosted Iron Ore from the Archaean Ntem Complex (Congo...Cameroon Abstract Banded iron formations (BIFs) are the most significant source of iron in the world. In this...southern Cameroon, and discuss their genesis and the iron enrichment process. Field investigations and petrography...geochemical composition of the whole rock reveals that iron and silica represent more than 98 wt% of the average...detritus-free marine chemical precipitates. The total iron (TFe) contents range from 48.71 to 65.32 wt % (average |  | | Journal (article/letter/editorial) | | such as the iron sedimentary deposits near Kertch, Crimea, Ukraine or the Inder boron deposit in Kazakhstan...Quartz Vivianite Hematite Sulphur Barite Grossular Orthoclase Rhodochrosite Hydroboracite Corundum Pyrite Siderite...of unusual morphology from the Korshunovskoe iron deposit, Irkutskaya Oblast’ were donated by M.Moiseev...15 cm, Japanese type twin from the Astaf’evskoe deposit, South Ural www. A.Agafonov donated several tabular...with dendrites of manganese oxides from the Pstan deposit, Kazakhstan. These cabochons were donated by V |  | | Journal (article/letter/editorial) | | Features and Formation Processes of the Makeng Fe Deposit, China Zhenjie Zhang,1,2 Renguang Zuo1 and Qiuming...studies have revealed that the Makeng Fe deposit is a skarn type deposit. However, the skarns in Makeng, occurring...Dayang–Juzhou granitic intrusion, occurred in the Makeng deposit district. In this study, the formation processes...formation of iron ore. Keywords: forming processes, geological features, Makeng Fe deposit, mineralization...skarn. 1. Introduction The Makeng deposit is one of the largest iron deposits in Fujian province and south |  | | Book (volume) | | by a quartz vein containing chrome- mica. The iron deposits of Dobschau still yield an annual production...nickel pyrite and bismuth glance, nickeliferous iron gangue, containing and ores of secondary formation...veins, rich cobaltsilver veins The and lastly the iron ore deposits. class of quartz-cobalt veins, also...other a gray granular or crystalline variety rich in iron, chelentite (bismuth-cobalt-pyrite), asbolite, and...frequently the ores are a secondary or later deposit primary filling of veins of the group just discussed | | | Book | | adventure of Sutter, the great “goldrushes” in Australia, the Klondyke, etc. In the recent past, the prodigious...low iron and magnesium content, basalt is black, contains little silica, but a great deal of iron and...Nickel-Cobalt 104 Erythrite 104 Annabergite 104 Iron 106 Hematite 106 Tin 108 Cassiterite 108 Uranium...basic rocks, with a low silica content, but rich in iron and magnesium (kimberlites), in chimneys rising...commonly found since the earliest times (the Golconda deposit, India). 1 - Diamond (South Africa): 1 cm. 2 - |  | | Journal (article/letter/editorial) | | magnetite are the other opaque minerals and quartz, orthoclase, garnet, kaolinite, apatite, collophane, fibrolite...suggest that the Nishikhal deposit is a metamorphosed Precambrian lacustrine deposit. Continental weathering...weathering appears to be the source for manganese and iron. After deposition and probable diagenesis, the manganese-rich...underwent supergene enrichment to produce the present deposit. Introduction The manganese formation at Nishikhal...India plex of Precambrian age. The Nishikhal deposit is considered to be an extension of the koduritic |  | | Book | | mine Sarbay deposit, Rudnyi Sarbay deposit, Rudnyi Sarbay deposit, Rudnyi Sarbay deposit, Rudnyi Sarbay...Sarbay deposit, Rudnyi Sarbay deposit, Rudnyi Sarbay deposit, Rudnyi Sarbay deposit, Rudnyi Sarbay deposit...deposit, Rudnyi Sarbay deposit, Rudnyi Sarbay iron deposit Sarbay quarry Stephanitovaya vein, Sarbay quarry...Stephanitovaya vein, Sarbay quarry Sarbay deposit, Rudnyi Sarbay deposit, Rudnyi Stephanitovaya vein, Sarbay...quarry Stephanitovaya vein, Sarbay quarry Sarbay deposit, Rudnyi Mysh'yakovaya vein, Sarbay quarry Borshchvochnyi |  | Heidarian, Hassan, Alirezaei, Saeed, Lentz, David R. (2017) Chadormalu Kiruna-type magnetite-apatite deposit, Bafq district, Iran: Insights into hydrothermal alteration and petrogenesis from geochemical, fluid inclusion, and sulfur isotope data. Ore Geology Reviews, 83. 43-62 doi:10.1016/j.oregeorev.2016.11.031 | Journal (article/letter/editorial) | | Manuscript Chadormalu Kiruna-type magnetite-apatite deposit, Bafq district, Iran: Insights into hydrothermal...Lentz, Chadormalu Kiruna-type magnetite-apatite deposit, Bafq district, Iran: Insights into hydrothermal...pertain. Chadormalu Kiruna-type magnetite-apatite deposit, Bafq district, Iran: Insights into hydrothermal... Abstract The Chadormalu is one of the largest known iron deposits in the Bafq metallogenic province in the...the Kashmar-Kerman belt, Central Iran. The deposit is hosted in PrecambrianCambrian igneous rocks, represented |  | | Report (Issue volume) | | + 4, Mineral Fe # — of Australia and™ Papua New Guinea ...O02unse Geology of the Mineral Deposits of Australia and Papua New Guinea The COVER PHOTOGRAPH shows...Ireland Province, Papua New Guinea. The Ladolam gold deposit lies within the caldera floor which has been breached...Economic Geology of Australia Guinea — 1. Metals 6.* Economic Geology of Australia Guinea — 2. Coal 7...Economic Geology of Australia Guinea — 3. Petroleum 8.* Economic Geology of Australia Guinea — 4. Industrial |  | | Report (volume) | | stratigraphy, intrusion structures, hydrothermal iron mineralization, and hydrothermal alteration UNITED...____________________________ --_------______________ Iron mineralization_ ___ __ ____ __ _____ __ ____ ________..._____________ __ _________ ________ ___ Genesis of iron ore_________________________________________ Miscellaneous...in Doc Creek___ 14. Plot of normative quartz, orthoclase, and plagioclase in the Lower Cretaceous(?) plutonic...a~teration, involving introduction of soda and loss of iron, potash, and magnesia. Forcible emplacement of the |  | | Book (volume) | | Bishop Hill, area⎯agate, jasper. JEFFERSON COUNTY MT. VERNON, W 9½ mi. on US 460 from jct. with Int. 57...Garner Mine Ridge, Sec. 28, T. 4 N, R. 2 W, as a deposit⎯Allophane, Allophane-Evansite, Crandallite, Halloysite;...Halloysite; e Sec. 28, T. 5 N, R. 2 W, as a deposit⎯ Hematite; f entire Co. exposures⎯fossils. BEDFORD:...SPURGEON, NW 2 mi., the Enos Coal Mine⎯concretions of Iron Sulfides. SHELBY COUNTY NORRISTOWN, W ½ mi., the...Sec. 22⎯Keokuk geodes, up to 24” dia. (see map). MT. PLEASANT: c S edge in exposures of Mississippian |  | | Book (volume) | | Bishop Hill, area⎯agate, jasper. JEFFERSON COUNTY MT. VERNON, W 9½ mi. on US 460 from jct. with Int. 57...Garner Mine Ridge, Sec. 28, T. 4 N, R. 2 W, as a deposit⎯Allophane, Allophane-Evansite, Crandallite, Halloysite;...Halloysite; e Sec. 28, T. 5 N, R. 2 W, as a deposit⎯ Hematite; f entire Co. exposures⎯fossils. BEDFORD:...SPURGEON, NW 2 mi., the Enos Coal Mine⎯concretions of Iron Sulfides. SHELBY COUNTY NORRISTOWN, W ½ mi., the...Sec. 22⎯Keokuk geodes, up to 24” dia. (see map). MT. PLEASANT: c S edge in exposures of Mississippian |  | | Journal (volume) | | cm) from the Komarovitovoe pegmatite, Kukisvumchorr Mt., Khibiny massif. A.S. Podlesnyi collection. Photo:...hydrothermalites of naujaites from North Slope of Mt. Nakalaq, in pseudomorphs after epistolite plates...(according to E.I. Semenov’s numeration) at North Slope of Mt. Karnasurt where it occurs in significant amounts...uncovered by underground minings of Kirovskii mine at Mt. Kukisvumchorr. For the first time natrokomarovite...analyses and abnormally high contents of manganese and iron are observed. It is impossible to exclude that the |  | | Book | | KONG UNIVERSITY PRESS ' ' UNIVERSITY OF VICTORIA LIBRARY I - ECONOMIC GEOLOGY OF HONG KONG...Kong (6 figs, 5 pls) - - LEAD IRON Mineralogy of the Ma On Shan Iron Mine, Hong Kong (6 figs, 2 pls)...pls) Development Plan of Ma On Shan Iron Mine, Hong Kong ( 4 figs, I plate) INDEX S. G. Davis 42 T. Shibata...minerals of economic importance have been found. Iron, wolframite, graphite, kaolin, and sometimes lead...the New Territories by the United Kingdom in 1898. Iron ore in [Symposium on Land Use and Mineral Deposits |  | | Journal (article/letter/editorial) | | represented by large specimens, are Predominant in the deposit, or have high scientific interest appear in UPPERCASE...Callaway County Knight bank (38-45-13N 093-03-44W). an iron mine 5 miles southwest of Fulton along Little Auxvasse...below the surface while a well was being dug: NATIVE IRON (Allen 1897). Cole County Southwest Cole County...Largest and most productive of hematite/limonite/iron-sulfide-filled sinkhole structures; mined 1878-1942:...Christy mine (38-01-28N 091-05-55W), a filled-sink iron mine 12 miles southeast of Leasburg: GOETHITE (limonite) |  | | Report (Issue volume) | | The geology of South Australia Volume 1 The Precambrian Bulletin 54 BULL 054 (Vol 1) Geological Survey...Survey of South Australia Bulletin 54 The geology of South Australia Volume 1 The Precambrian Edited...Minister of Mineral Resources State Print, South Australia Published 1993 Digital version with minor corrections...corrections 2012 © Government of South Australia 2012. This work is copyright. Apart from any use as permitted...written permission from the Government of South Australia available through the Department for Manufacturing |  | | Report (issue) | | Petrol. 36, 151-168) (1987) Analysis from Thunder Mt. complex, Idaho ACANTHITE. Nekrasov and Lunin, (Mineral...114, 43-49) (1985)(Russ.). Optics from Zambaraks deposit, E. Karamazar. AIKINITE. Forster et al, (Chem Erde...(1986) Microprobe analysis from Altenberg tin deposit, East Germany AIKINITE. Huiny and Kristin, International...(Russian) 201In391g. Microprobe analysis from Norilsk deposit. ALTAITE. Fujii, et al., (Solid State Commun. 49...Mineral. 21, 137-143 (1983). Occurrence at Ashley deposit, Ont. ALTAITE. Kulichikhina, Mineral. Rudn. Mestorozhd |
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