 | | Journal (article/letter/editorial) | | hydrothermal kaolinite deposit and altered Miocene host volcanites in the Hallaçlar area, Us ak, western...Laurence Warr) AB ST R ACT : The Hallaçlar kaolinite deposit of the Us ak Province (western Turkey) is...zonation, such as the prevalence of kaolinite at the centre of the deposit, coexisting with silica polymorphs...hornblende, and a relative increase of smectite, illite, chlorite, and Fe-oxide/-hydroxide phases outward...kaolinization. Micromorphologically, kaolinite occurs as pseudohexagonal blocky kaolinite with coarse-grained quartz |  | | Journal (article/letter/editorial) | | GEOCHEMICAL CHARACTERISTICS AND GENESIS OF HYDROTHERMAL KAOLINITE DEPOSITS WITHIN NEOGENE VOLCANITES, KÜTAHYA (WESTERN...TR-26480 Eskis ehir, Turkey Abstract—The Kütahya kaolinite deposits are the most important source of raw...present study aims to fill that gap. The Kütahya kaolinite deposits formed by alteration of dacite and andesite...was associated with extensional tectonics. The kaolinite deposits contain silica and Fe- and Ti-bearing...outward from the main kaolinite deposit is as follows: kaolinite > smectite + illite + opal-CT + feldspar; |  | | Journal (article/letter/editorial) | | 2009. THE OCCURRENCE AND ORIGIN OF THE SÖĞÜT KAOLINITE DEPOSITS IN THE PALEOZOIC SARICAKAYA GRANITE-GRANODIORITE...TR-26480 Eskis ehir, Turkey Abstract—The Söğüt kaolinite deposits at Çaltı, İnhisar, and Küre, Turkey...geochemical, and isotopic characterizations of these kaolinite deposits which occur within Paleozoic granite-granodiorite...chloritization; Fe-Ti-Mn oxides occur within fractures. Kaolinite crystals occur in authigenic vermiform or plate-like...are associated mainly with kaolinite, smectite, quartz crystals, and illite/mica. Increase in (Al+Fe)/Si |  | | Journal (article/letter/editorial) | | metal-carrying veins, others are disseminated over a wide area. Temperature of Surface Emanations. A number of...that are available. Temperature of Sunthesis. Kaolinite has been_ produced synthetically at different...of 0.5N IICl. Noll expressed the opinion that kaolinite would form below 200°C in the proper acid concentration...by Collins (1887) were said to have produced kaolinite by alteration of orthoclase in dilute H F in 96... 169 CLAYS AXD CLAY TECHNOLOGY stated that kaolinite must form between pH 4.3 and 5.2, the best range |  | | Journal (article/letter/editorial) | | Copyright © 1996 ElsevierScience Ltd Printed in the USA. All rights reserved 0016-7037/96 $15.00 + .00 Pergamon...remove small amounts of contaminant phases, such as illite. Argon released at <300°C is dominated by atmospheric...Exploration, 2085 Hamilton Avenue, San Jose, CA95125, USA. 4525 4526 T. Itaya, A. Arribas, Jr., and T....associated hydrothermal K-bearing phases, such as illite, adularia, or biotite) because they form in relation...collected in this study from the Riaza alunite-kaolinite deposit in central Spain, forms white to beige, fine-grained |  | Kadir, Selahattin, Külah, Tacit, Eren, Muhsin, Önalgil, Nergis, Gürel, Ali (2014) Mineralogical and Geochemical Characteristics and Genesis of the Güzelyurt Alunite-Bearing Kaolinite Deposit Within the Late Miocene Gördeles Ignimbrite, Central Anatolia, Turkey. Clays and Clay Minerals, 62 (6) 477-499 doi:10.1346/ccmn.2014.0620603 | Journal (article/letter/editorial) | | GENESIS OF THE GÜZELYURT ALUNITE-BEARING KAOLINITE DEPOSIT WITHIN THE LATE MIOCENE GÖRDELES IGNIMBRITE...TR-51200 Niğde, Turkey Abstract—The Güzelyurt kaolinite deposit is an important source of raw material for...mineralogical or geochemical characterizations of this deposit have been undertaken previously and these were...present study. The Güzelyurt alunite-bearing kaolinite occurs along a fault zone in the Late Miocene...observed within the alteration zone. The inner kaolinite, alunite, and 7 Å halloysite zones progress horizontally |  | Ömeroğlu Sayit, Işil, Günal Türkmenoğlu, Asuman, Sayin, Ş. Ali, Demirci, Cengiz (2018) Hydrothermal alteration products in the vicinity of the Ahırözü kaolin deposits, Mihalıççık-Eskişehir,Turkey. Clay Minerals, 53 (2) 289-303 doi:10.1180/clm.2018.19 | Journal (article/letter/editorial) | | Ahırözü-Hamidiye-Üçbaşlı area, SE of Mihalıççık, Eskişehir, Turkey, were investigated. In the study area, Triassic...The argillic alteration zone (Zone A) includes kaolinite, smectite, natroalunite and accessory pyrite,...(Zone B) is characterized by epidote, chlorite, illite and pyrite and was caused by fluids with a neutral...represent sinter formation in the study area. The rocks in the kaolin deposit are depleted in Rb, Pb and Yand...alteration, kaolin deposit, argillic alteration, propylitic alteration, epithermal deposit, Ahırözü, Turkey |  | | Book | | anauxite. According to Ross and Kerr (1931), kaolinite varies in its silica: alumina ratio, with ANAUXITE...that anauxite yields the same x-ray pattern as kaolinite, and has nearly the same optical properties, but...that anauxite is composed of a mixed layer of kaolinite, and extra silica sheets. Breithaupt, A. (1838)...12, p. 78. W. (1932) The crystal structure of kaolinite Zeitchr. Kryst. J. , vol. 83, p. 87. ANCUDITE... (1931), argiler a porcellaine principally kaolinite and halloysite. S., and Kerr, P. F. (l931) The |  | | Journal (article/letter/editorial) | | in the Gedikler region and the area surrounding the Kışladağ gold deposit, Uşak (western Anatolia), Turkey...argillized and Fe-oxide/hydroxidized. Kaolinite decreases, smectite ± illite, gypsum, barite, alunite, jarosite...Kışladağ porphyry gold deposit. SEM images reveal that tubular halloysite, platy kaolinite, and flaky smectite...Kışladağ resulted in the development of kaolinite and smectite ± illite under acidic and basic conditions,...composition and formation temperatures of kaolinite and illite, based on meteoric water (– 4.5 ‰), are |  | | Journal (article/letter/editorial) | | hydrothermal mineralassemblage comprisingquartz,calcite,illite, or interlayeredillite-montmorillonite, plus or...the rangeof 160ø to 240øC. The assemblage of kaolinite,plus or minusalunite and natroalunite,occurs locally...use of "Fresni!1oregion" in the text denotesthe area encompassed by this map. The Fresni!1odistrict occupiesa...SurfaceExposuresin the FresnilloRegion Locality Area Lithology Feature Alteration-Mineralization •...mineralization 146 Piedras Crystaltuff Kaolinite deposit Kaol(7.25•)-mont (14.9•), norelict Quartz |  | Ekіncі Şans, B., Esenlі, F., Kadir, S., Elliott, W.C. (2015) Genesis of smectite in siliciclastics and pyroclastics of the Eocene İslambeyli Formation in the Lalapaşa region, NW Thrace, Turkey. Clay Minerals, 50 (4) 459-483 doi:10.1180/claymin.2015.050.4.04 | Journal (article/letter/editorial) | | University, Department of Geosciences, Atlanta, GA 30302, USA (Received 30 April 2015; revised 1 August 2015; Associate...and Ca required to form smectite and accessory illite were supplied mainly from the alteration of feldspars...Lalapaşa region (Umut et al., 1984). The study area (Lalapaşa region) is located in the northern part...peninsula in NW Turkey (Fig. 1). Geologically, the study area straddles the border of the Stradja Massif and the...Formation in the region is typically 66 m. In the KVK area, the İslambeyli Formation is thin and composed of |  | | Journal (article/letter/editorial) | | below the coal levels. While mainly illite and lesser kaolinite were determined in Dörtkonak, Alemdar...Tekke, Canca and Refene clays are kaolinite with smaller amounts of illite, whereas Kale and Tamzı clays...clays are mainly chlorite with lower content of illite–smectite interlayers. Illites in Dörtkonak, Alemdar...in the region. KEY WORDS: Clay minerals, Illite, Kaolinite, Crósta technique, Landsat 7, Landsat 8.... the Dörtkonak (Edire) area (Kansız & Konak, 1986a) and Gödül-Kelkit area (Hoş Çebi, 1998; Hoş |  | | Journal (article/letter/editorial) | | of (1) kaolinite and dickite which crystallized from solution within cavities, (2) kaolinite weathered...silicate material, (3) residual kaolinite from primary silicate rock, (4)kaolinite above and below a basal unconformity...granitic rock, and (5) hydrothermally altered kaolinite. The texture of kaolin reflects the environment...environment produces large crystal flakes of kaolinite, expanded books, mats of elongates, high porosity...they were generated. KAOLINITE CRYSTALLIZED IN CAVITIES WITHIN OTHER ROCKS Kaolinite, dickite, and nacrite |  | | Journal (article/letter/editorial) | | northern district consist mainly of poorly ordered kaolinite, with variable but minor amounts of iIlite, chlorite...to extreme leaching that produced well-ordered kaolinite flint clays. Local desilication formed pockets...pockets of diaspore, or more commonly, kaolinite, with oolite-like nubs or burls of diaspore ("burley" clay)...nearly simultaneously with crystallization of kaolinite flint clay from an alumina-silica gel. Calcian...phosphate minerals in some Missouri diaspore and kaolinite deposits was reported earlier in an informal note |  | Clauer, Norbert, Fallick, Anthony E., Galán, Emilio, Aparicio, Patricia, Miras, Adolfo, Fernández-Caliani, Juan Carlos, Aubert, Amélie (2015) Stable isotope constraints on the origin of kaolin deposits from Variscan granitoids of Galicia (NW Spain) Chemical Geology, 417. 90-101 doi:10.1016/j.chemgeo.2015.09.022 | Journal (article/letter/editorial) | | oxygen isotope compositions a b s t r a c t Kaolinite-rich fractions of b 45, b 2 and b1 μm size from...11 of the 43 analyzed separates plot below the kaolinite weathering line, and one at the line separating...size fractions, especially from Ramón-Fazouro deposit contain also up to 65% halloysite, as well as varied...relicts from parental igneous rocks, such as quartz, illite (=muscovite) and feldspars. However, the addition...(R = 0.896, n = 5, N95%) rather similar to the kaolinite weathering line of δD = 7.5 δ18O − 220. However |  | | Journal (article/letter/editorial) | | spectral resolution. Kaolinites from Washington County, Georgia, with varying defect structures involving...and comprises 11 % of the total normalized band area, When two additional OH bands are observed at 3610...Hydroxyls, Infrared Microscopy, Intercalation, Kaolinite, Raman Microprobe, X-ray Diffraction. INTRODUCTION...(Cruz et al., 1969). The intercalation of the kaolinite was found also to be a function of the amount...studying the defects in kaolinite. Additional insights using Raman microscopy of kaolinite and the other polytypes |  | | Journal (article/letter/editorial) | | Georgia, Department of Geology, Athens, GA 30602-2501 USA 3 Selçuk University, Department of Geological Engineering...Sarıbeyli-Sığırlı deposit suggests that it was more influenced by magmatic waters than was the Bodurlar deposit. The...The Bodurlar deposit contains a paucity of dickite compared to the Sarıbeyli-Sığırlı deposit, which is...reflect both hypogene (kaolinite, alunite, dickite) and supergene (kaolinite, halloysite, jarosite) processes...Halloysite, Hydrothermal, Hypogene, Supergene, Kaolinite, O, H, and S isotopes, Turkey. INTRODUCTION The |  | Abdioğlu, Emel, Arslan, Mehmet, Kadir, Selahattin, Temizel, İrfan (2015) Alteration mineralogy, lithochemistry and stable isotope geochemistry of the Murgul (Artvin, NE Turkey) volcanic hosted massive sulfide deposit: Implications for the alteration age and ore forming fluids. Ore Geology Reviews, 66. 219-242 doi:10.1016/j.oregeorev.2014.10.017 | Journal (article/letter/editorial) | | (Artvin, NE Turkey) Volcanic Hosted Massive Sulfide Deposit: Implications for the Alteration Age and Ore Forming...(Artvin, NE Turkey) Volcanic Hosted Massive Sulfide Deposit: Implications for the Alteration Age and Ore Forming...(Artvin, NE Turkey) Volcanic Hosted Massive Sulfide Deposit: Implications for the NU Alteration Age and Ore...Title: Alteration in the Murgul (Artvin) VHMS deposit Corresponding Author: Dr. Emel ABDİOĞLU E-mail...The Murgul (Artvin, NE Turkey) massive sulfide deposit is hosted dominantly by Late Cretaceous calc-alkaline |  | | Journal (article/letter/editorial) | | No. 4, 235–261, 2015. SEDIMENT-HOSTED KAOLIN DEPOSIT FROM ÇAKMAKTEPE (USAK, TURKEY): ITS MINERALOGY...the source rocks. The kaolins in the Çakmaktepe deposit were formed from the hydrothermal alteration of...the Çakmaktepe kaolins and consisted mainly of kaolinite with minor amounts of smectite and alunite. The...variation in grain-size, a few broken crystals of kaolinite, the deficiency of dissolution-replacement and...INTRODUCTION Kaolins are clays composed mainly of kaolinite minerals. Kaolin deposits are classified as primary |  | Dill, H. G., Bosse, H.-R., Henning, K.-H., Fricke, A., Ahrendt, H. (1997) Mineralogical and chemical variations in hypogene and supergene kaolin deposits in a mobile fold belt the Central Andes of northwestern Peru. Mineralium Deposita, 32 (2) 149-163 doi:10.1007/s001260050081 | Journal (article/letter/editorial) | | sulphidation epithermal Au deposits. Introduction Kaolinite-group minerals are extensively developed in a...chemical features typical of these two types of deposit (Fig. 1). In the Andes they range in age from Mesozoic...altered to argillaceous material consisting of illite, kaolinite and some quartz (Fig. 1, Tables 1, 2). The...(Fig. 1, Tables 1, 2) contain very fine-grained kaolinite, locally as vermicular aggregates (Fig. 2a) and...deposits west of the Sulluscocha ‘‘laguna’’ contain kaolinite, quartz, some relict muscovite (Table 1) 151 |  | | Journal (article/letter/editorial) | | targeted upon during exploration campaigns in the study area. The mineral association of the kaolin fan deposits...phyllosilicates of the OKF and RKF. Kaolinite-group minerals, illite, smectite, and an illite–smectite mixed-layer are...are present in both types, but kaolinite-group minerals prevail in the OKF, with a downwardincreasing...smectite and smectite–illite mixed layers increases at the expense of kaolinite upward in the stratigraphy...PIMA device has proven in this type of kaolin deposit to be an efficacious tool for capturing digital |  | Yang, Meijun, Liang, Xiaoliang, Ma, Lingya, Huang, Jian, He, Hongping, Zhu, Jianxi (2019) Adsorption of REEs on kaolinite and halloysite: A link to the REE distribution on clays in the weathering crust of granite. Chemical Geology, 525. 210-217 doi:10.1016/j.chemgeo.2019.07.024 | Journal (article/letter/editorial) | | Accepted Manuscript Adsorption of REEs on kaolinite and halloysite: A link to the REE distribution on... Liang, L. Ma, et al., Adsorption of REEs on kaolinite and halloysite: A link to the REE distribution... ACCEPTED MANUSCRIPT Adsorption of REEs on kaolinite and halloysite: A link to the REE distribution... ACCEPTED MANUSCRIPT Abstract The clay minerals, kaolinite and halloysite are dominant hosts for rare earth...deposits. However, the accumulation of REEs on kaolinite and halloysite has not been systematically PT |  | | Journal (article/letter/editorial) | | boundaries concerning the micaceous phyllosilicates, kaolinite-, smectite-group minerals and the composition... In the ensialic Variscides only small-sized kaolinite deposits can be taken as an equivalent. Some ferroan...by extraterrestrial impacts. The glauconite-kaolinite-illite-smectite-chlorite assemblages are efficient...environment of formation between glauconite and kaolinite The clay mineral catena together with palygorskite...three continents from Poland, through Morocco to the USA (Fig. 2). The Variscides evolved in the foreland |  | | Report (issue) | | undergoing reaction during formation of authigenic illite, primarily yellow to purple in color, and dickite...ciesvedawevdsacuanaonsane moeteetear etme cs 34 RAED CS Me area see tt ea ad aw amen ate Sra aciaaiesSateen adi...stable isotope relationships in the Iwaizumi kaolinite deposit..................... 130 Example 5 — Isotopic...model using 5D and 5'°O values of chlorite and illite .......0..cccccceccesesseeseeseeee 145 SURETY cei...eee an Chemical composition: of peak diagenetic. illite \..i.s5..cce9.as0.55e oencoacc cas yee ee eee Pr |  | | Thesis/Dissertation | | mined products are addressed. Firstly, the Micaya deposit, located at the Micaya village south-west of La...La Paz city, comprising two whitish kaolinite-bearing occurrences, was investigated. The material is currently...currently used in tableware production. The Micaya deposit is situated in a Palaeozoic sequence in the Altiplano...21 vol.% muscovite, 18 vol.% kaolinite and <5 vol.% feldspar.The kaolinite-bearing sediments were formed...remobilization along permeable fault zones. Micaya kaolinite is suggested to be suitable for industrial applications |
|
