| | Journal (article/letter/editorial) | Uplift and tectonic evolution of Zhejiang Province, southeast China Franc0 Pirajno a$* , Leon Bagas a...Resources of Zhejiang Province, 498 Tiyuchang Road, Hangzhou 310007, ’ Department China Received 17...which gold and base metal mineralization in SE China is related to plate interactions along the Pacific...uplifted crustal block in central Zhejiang Province of mainland China, in which the Proterozoic basement...lithological controls on mineralization. Keywords: Zhejiang; epithermal gold; crustal reworking; structural | | | Report (issue) | sin ¯ ]. ¯ = n.d. X-ray Powder Pattern: Qingtian, China; * = cookeite overlaps. 4.704 (100*), 3.343...012 11.296 Total 99.951 Chemistry: (1) Qingtian, China; by electron microprobe, Li by AA, H2 O by...cookeite and pyrophyllite. Occurrence: Within corundum, in a hydrothermal pyrophyllite deposit in rhyolite...chlorite, illite, halloysite, svanbergite, zeolites, hematite. Distribution: From Qingtian, Chekiang...Chekiang Province, China. Name: From the Chinese luni, for the chlorite group, representing cookeite; jian | | | Journal (article/letter/editorial) | Genesis of the Baiyun Pyrophyllite Deposit in the central Taihang Mountain, China: Implications for Gold...Genesis of the Baiyun Pyrophyllite Deposit in the central Taihang Mountain, China: Implications for Gold... Genesis of the Baiyun Pyrophyllite Deposit in the central Taihang Mountain, China: Implications for Gold...Sciences and Resources, China University of Geosciences, Beijing 100083, China *Corresponding author...nightyzhf@cugb.edu.cn (Zhang H.F.) Abstract Genesis of pyrophyllite alteration can provide important clues for ore | | | Journal (article/letter/editorial) | vol. 55, no. 4, 405–418, 2005 Review Types of Pyrophyllite Deposits in Foldbelts Irina SINYAKOVSKAYA, Victor... 2004; accepted on August 2, 2005 Abstract: Pyrophyllite deposits can be divided into five types on the...metamorphic strata. The fifth type comprises pyrophyllite occurrences in weathering crusts on metamorphic...formation conditions and distribution of raw pyrophyllite deposits were influenced by the geodynamic situations...composition of hydrothermal solutions. Keywords: pyrophyllite deposit, hydrothermal, foldbelts We adopt the scheme | | | Journal (article/letter/editorial) | information: http://www.tandfonline.com/loi/tigr20 PYROPHYLLITE DEPOSITS a a V. V. Zaykov , V. N. Udachin... V. N. Udachin & I. V. Sinyakovskaya (1988) PYROPHYLLITE DEPOSITS, International Geology Review, 30:1...http://www.tandfonline.com/page/termsand-conditions PYROPHYLLITE DEPOSITS Downloaded by [University of Illinois...Sciences, Miass. They summarize and classify pyrophyllite deposits of the world and suggest possible sources...no pyrophyl lite is currently being mined. Pyrophyllite is a comparatively scarce min eral resource | | KOH, Sang-Mo, TAKAGI, Tetsuichi, KIM, Moon-Young, NAITO, Kazuki, HONG, Sei-Sun, SUDO, Sadahisa (2000) Geological and Geochemical Characteristics of the Hydrothermal Clay Alteration in South Korea. Resource Geology, 50 (4) 229-242 doi:10.1111/j.1751-3928.2000.tb00072.x | Journal (article/letter/editorial) | Abstract: Hydrothermally altered areas forming pyrophyllite-kaolin-sericite-alunite deposits are distributed...are closely related to cauldrons. Paleozoic clay deposit occurs in the contact zone between Precambrian...Chonnam clay deposits are alunite, kaolin, quartz, pyrophyllite and diaspore which were formed by acidic solution...Kyongsang clay deposits are sericite, quartz and pyrophyllite which were formed by weak acid and neutral solution...39.7 to 79.4 Ma, respectively. The Daehyun clay deposit in Ponghwa area of Kyongsang province shows the | | Li, Yu-Juan, Zhu, Lü-Yun, Xu, Wen, Meng, Wei, Lin, Min, Yang, Zhong, Chen, Run-Sheng (2022) Stratigraphic Section and Geochronological Studies of the Shoushan Basin, Fujian Province, South China, and Its Implications for the Mineralization of Shoushan Stone. Minerals, 12 (12) 1542 doi:10.3390/min12121542 | Journal (article/letter/editorial) | Studies of the Shoushan Basin, Fujian Province, South China, and Its Implications for the Mineralization of...Studies of the Shoushan Basin, Fujian Province, South China, and Its Implications for the Mineralization of...350108, China Fujian Provincial Institute of Geological Survey and Research, Fuzhou 350013, China Correspondence:...one of the most famous craft-carving stones in China, Shoushan stone commonly consists of clay minerals...minerals, including the kaolinite, pyrophyllite, or illite group, which is the product of hydrothermal alteration | | TAKAGI, Tetsuichi, KOH, Sang-Mo, KIM, Moon-Young, NAITO, Kazuki, SUDO, Sadahisa (2000) Geology and Hydrothermal Alteration of the Milyang Pyrophyllite Deposit, Southeast Korea. Resource Geology, 50 (4) 243-256 doi:10.1111/j.1751-3928.2000.tb00073.x | Journal (article/letter/editorial) | and Hydrothermal Alteration of the Milyang Pyrophyllite Deposit, Southeast Korea Tetsuichi TAKAGI, Sang-Mo...and Sadahisa SUDO Abstract: The Milyang pyrophyllite deposit, which is embedded in the Late Cretaceous...Kyongsang basin, southeast Korea. Host rocks of the deposit are porphyritic andesite lava and minor andesitic...peripheral parts of the zone. The Milyang pyrophyllite deposit forms a part of the advanced argillic alteration...alteration zone. The Milyang pyrophyllite deposit is subdivided into the following four zones based on | | | Report (issue) | Location of Snow Camp Mine-Major Hill Study Area Pyrophyllite Deposits in the Carolina Slate Belt, North Carolina...Carolina Sketch of Mine Walls, Snow Camp Pyrophyllite Pit Inferred Alteration Zones at Mount Baker, Washington...Gold Values for Samples from Snow Camp Mine and Pyrophyllite Pit 26 30 ABSTRACT The Snow Camp Mine-Major...(quartz, pyrite, iron oxides), advanced argillic (pyrophyllite, andalusite, kaolinite, chloritoid, pyrite,...base metals have been found in the field area. Pyrophyllite and sericite have been mined from several localities | | | Journal (article/letter/editorial) | 2013. Geochemistry, Mineralogy and Genesis of Pyrophyllite Deposits in the Pötürge Region (Malatya, Eastern...Abstract—In the Pötürge (Malatya, Turkey) area pyrophyllite occurrences are common in the shear zones, mostly...investigations (XRD, FTIR and SEM) revealed that pyrophyllite, kaolinite (dickite) and quartz are present...underwent. On the other hand, the minerals such as pyrophyllite, kaolinite, and alunite are products of a low...(retrograde). The mineral paragenesis in the pyrophyllite deposits suggests that the formation of minerals | | | Journal (article/letter/editorial) | (i.e., smectite group, chlorite, illite, kaoline group, pyrophyllite, biotite) are pivotal for extrapolating...mineralogical geothermometers based on chlorite and illite composition are presented, together with the use...the non-expandable clay phases (chlorite and/or illite) as a function of the past and present thermal...variation of clay minerals (in particular chlorite and illite) is particularly sensitive to the formation conditions...±alunite Intermediate argillic 4.5–6 <200 ◦ C Pyrophyllite alunite High-T advanced argillic 2–4 200–300 | | | Journal (article/letter/editorial) | layer: 4045%) collected from four different pyrophyllite deposits in Japan. The specimens are characterized...the mechanism for the conversion of smectite to illite is still controversial (Hower et a!., 1976; Nadeau...the mechanism oftransformation from smectite to illite is controlled by the Ostwald ripening process....lsshiki, and Shokozan mines. K: kaolinite, P: pyrophyllite. molecules. Standard XRD data may not be able...investigated in the present study come from four pyrophyllite deposits in Japan: the Sano mine (Kakuma, Nagano | | | Journal (article/letter/editorial) | (I) a güuge day from the pyrophyllite deposit near Stem, Grall\'ille County, N. c.; (2) the colloid from...and (3) the colloid from the Mayodan soil, Stokes County, N. C. The gouge day represents a soil containing...weH crystallized kaolinite, and small amounts of illite, a montmorillonitic mineral, and quartz; the Davidson...cl'ystaJline kaolinite, plus appreciable amounts of illite and quartz. All thre(' soils are high in ferric...eloes not become steeper. This is because of the illite in the Mayoclan soil which kccps the endotherms | | | Journal (article/letter/editorial) | Mineralogy and K-Ar geochronology of mixed-layered illite/smectite from The Geysers coring project, California...gold mineralization at Shewushan, Hubei, central China—Hong Hanlie, Bian Qiujuan, and Wang Qinyan Palaeozoic...and barren zones of the Sovetskoe quartz-gold deposit, Yenisei Mountain Range based on fluid inclusion...Proterozoic skarns at the Mount Elliott Cu-Au(-Co-Ni) deposit, Cloncurry district, NW Queensland, Australia—Shiqi...hypogene mineralization at the Barite Hill gold deposit, Carolina Slate belt, southeastern United States: | | | Journal (article/letter/editorial) | at the McKenzie Gulch porphyry-skarn Cu-Ag-Au deposit, north-central New Brunswick, Canada: Implications...study of the Damiao titanomagnetite ore deposit, North China craton—Youqing Wei, Yaoling Niu, Hongmei...pyrite from the Baiyunpu Pb-Zn deposit in central Hunan, South China: Implications for the growth mechanism...Yaogangxian granitic intrusion, Nanling region, South China—Wen-Sheng Li, Pei Ni, Guo-Guang Wang, Yu-Long Yang... 19 Genesis of the Wulong gold deposit, Liaoning Province, NE China: Constrains from noble gases, radiogenic | | | Journal (article/letter/editorial) | must be fulfilled for the genesis of a bauxite deposit ŽBardossy and Aleva, 1990.: Ž1. alternation of...mrg for margarite; ms for muscovite, prl for pyrophyllite, qtz for quartz. 5.1. Cookeite-rich metabauxite...Ti-oxide, hematite and diaspore. Muscovite, pyrophyllite and margarite intergrown in variable combinations...intergrown in variable combinations with muscovite, pyrophyllite and margarite ŽFig. 3e.; Ž3. in cavities associated...associated with Fe and Ti-oxide and pyrophyllite. 5.2. Cookeite-bearing metabreccia This lithotype shows | | Árkai, Péter, Livi, Kenneth J.T., Frey, Martin, Brukner-Wein, Alice, Sajgó, Csaná de (2004) White micas with mixed interlayer occupancy: a possible cause of pitfalls in applying illite Kubler index ("crystallinity") for the determination of metamorphic grade. European Journal of Mineralogy, 16 (3) 469-482 doi:10.1127/0935-1221/2004/0016-0469 | Journal (article/letter/editorial) | occupancy: a possible cause of pitfalls in applying illite Kübler index (“crystallinity”) for the determination...powder diffractometric (XRPD) modal composition, illite Kübler index and chlorite “crystallinity” determinations...Rhine Valley. In some of the localities studied, illite Kübler index (“crystallinity”) values were anomalously...low-grade metamorphism. Introduction The Kübler index (illite “crystallinity”) (abbreviated as KI) (Kübler, 1967...Frey, 1999). However, the anomalous behavior of illite-dioctahedral white mica as compared to other grade | | | Journal (article/letter/editorial) | phase identified as illite (XRD and ATEM); (d) close-up view of (c) to show fibrous illite; (e) equidimensional...analyses are typical of published dioctahedral illite analyses (Newman, 1987) and confirm the interpretation...potassium is possibly present as an interlayered illite component. Previous XRD studies of naturally occurring... . . . . . . . . . . . . needles equant grains illite, K feldspar none identified not determined . ....the role of secondary precipitates, especially illite, in buffering fluid composition. Expected Si values | | | Book | Chromite Clays 41 190 Pumice & scoria 52 Pyrophyllite 205 217 220 62 Corundum &emery Rare-earth...in British Columbia is derived from the Cassiar deposit, on the northwest flank of Mt. McDame in the Cassiar...of tension release and cooling (genesis of the deposit is thought to be similar to that described for...Vermont Asbestos Group Inc. at Lowell, Orleans County, where around 30,000 tons/year of asbestos fiber...and diffuse. Unaltered Copperopolis, Calaveras County, in 1987, KCAC sole asbestos producer in California | | | Journal (article/letter/editorial) | hydrothermal dumortierite from an Al-rich clay deposit, southeastern Korea C. O. CHOO* AND Y. KIM Department...the altered volcanic rocks of the Milyang clay deposit, southeastern Korea. Textural evidence shows that...that dumortierite is associated with pyrophyllite, suggesting that the silica activity increased with...common occurrence of Al-rich minerals in the clay deposit. The structural formula of dumortierite is recalculated...defined site. K EY WORDS : dumortierite, clay deposit, boron, trigonal group, MAS NMR, Korea. Introduction | | | Book | (1963) synthesized an interstratified mineral (“illite-saponite”) from inorganic gels. Ueda and Sudo (1966)...halloysite, (10 A), montmorillonite, mica, talc, and pyrophyllite. He followed in detail the changes in properties...(3) as diluents for rubbers and paints. The pyrophyllite has been used (1) as a raw material for crucibles...wastes appears promising. Talc has been used in china-ware, paper-clay, as an insectiside carrier, and...alteration of the Wanibuchi Kurokotype gypsum deposit. Sudo and his collaborators noticed that the clay | | | Book | ..... . 4.4.5 Non-Marine Glauconite and Ferric Illite ....... . 4.4.6 Minerals Related to Chlorites and...System..................................... Central Deposit and Altered Wall Rocks ....... Fluid Injection... . . . . . . . . . . . . . . . Interstratified Illite/Smectite .................. Structural Variation...tend to deposit gravel (the coarse fraction) while lakes and streams on the flatter areas deposit sand and...and octahedral occupancy Neutral Dioctahedral Pyrophyllite (AI) Trioctahedral Talc (Mg) Low charge High | | | Journal (article/letter/editorial) | Experimental kinetic study of the smectite-to-illite transformation J. CUADROS* and J. LINARES Departamento...fraction of a bentonite from the Serrata de Nijar deposit (Almeria, southeastern Spain) was hydrothermally...treated to study the kinetics of the smectite-to-illite transformation, in order to estimate the performance...consisted of randomly interstratified illite/montmorillonitewith 15% illite. Minor amounts of other minerals...conclusion that analysis of the amount of illite in illite/smectite, in hydrothermally treated samples | | Kim, Kyu Han, Lee, Seungyeol, Nagao, Keisuke, Sumino, Hirochika, Yang, Kyounghee, Lee, Jong Ik (2012) He-Ar-H-O isotopic signatures in AuAg bearing ore fluids of the Sunshin epithermal gold-silver ore deposits, South Korea. Chemical Geology, 320. 128-139 doi:10.1016/j.chemgeo.2012.05.027 | Journal (article/letter/editorial) | Hwangsan tuff Epithermal Au-Ag deposit Alunite-prophylite deposit Fig. 1. Geologic map of the Sunshin...proximity while the Gasado deposit is 35 km away from the Eunsan deposit. They have quite similar geological...Characteristics of vein systems 2.2.1. The Eunsan deposit The Eunsan Au\Ag bearing quartz veins are traced...alunite deposits, currently the most active pyrophyllite-alunite producing ores in South Korea. Generally...The 2002 annual production figures for the Eunsan deposit were 168 kg Au and 6755 kg Ag (Choi et al., 2005) | | | Report (volume) | TRIOCTAHEDRAL 1:1 PHYLLOSILICATES SW ABAILEY TALC, PYROPHYLLITE, AND RELATED MINERALS B.W. EVANS & S. GUGGENHEIM...SELECTED KAOLIN DEPOSITS HYDROTHERMAL KAOLIN DEPOSITS China; Italy; Japan Mexico; United States 75 RESIDUAL...KAOLIN DEPOSITS 75 76 78 78 Argentina; Australia China; Czechoslovakia; USSR; South Africa MIXED HYDROTHERMAL...fractionations Kaolinite Pyrophyllite Gibbsite; Smectite, mixed-layer illite/smectite, and illite Serpentine Chlorite...Chapter 8 B.W. Evans & S. Guggenheim TALC, PYROPHYLLITE, 225 INTRODUCTION 225 General AND vi RELATED |
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