 | | Journal (article/letter/editorial) | | follow-up study concentrated on a small-scale limestone sequence in a search for potential relationships...sedimentary succession that consists mainly of limestone with some dolomite, marl and clay beds. The continuous...continental sediments of fluvial sandstone and palygorskite-rich palaeosols were deposited (the ‘Clastic...surrounding countries indicating the Nahal Hemar quarry (NHQ) and the Ramon structure. Near-surface R51...its central member consisting of massive rudist limestone of grainstone texture, which represents bioherms |  | | Journal (volume) | | 12, p. 43 for details). Penryn Granite Company’s quarry at Halvosso, Longdowns, Cornwall. Jim Knight Collection;...LUV (middle) and SUV (bottom). East Face, Croft Quarry, Croft, Leics. Frank Ince specimen and photo (FI-1485;...minerals, with analcime, calcite, laumontite and palygorskite being the most well-known. This review describes...Quarrying at Croft, Part 1: The history of Croft Quarry. www.aggregate.com/about-us/history/croft; accessed...igneous rocks of the SLDC exposed in Coal Pit Lane Quarry, Enderby. It was suggested that these metamorphosed |  | | Journal (article/letter/editorial) | | fraction shows different contents of sepiolite, palygorskite and dioctahedral smectite. The analysis of a...conditions of formation of magnesian smectite and palygorskite have been observed in the mud-flat and palustrine...responsible for the formation of saponite and palygorskite in mud flat and palustrine environments, with...environment; Mg-clays formation; sepiolite; palygorskite; smectite Academic Editor: Jinwook Kim Received:...© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed |  | | Report (issue) | | Series______________________________________ 7 Suwannee Limestone _____________________________ 7 Miocene Series..._______________________________________ 9 Tampa Limestone ________________________________ 9 Hawthorn Formation...-Resources --------------------------------------Limestone and dolomite -----------------------------Phosphate...southern part of the district, consists mainly of palygorskite (attapulgite of older usage) but contains minor...montmorillonite, which, in turn, weathers from palygorskite. The deposits in the northern part of the district |  | Abramova, Tamara T., Panas'yan, Leili L., Chernov, Mikhail S., Sokolov, Vyacheslav N., Ladygin, Vladimir M., Gusarova, Olga I., Spiridonov, Ernst M. (2007) Twisted Filiform Magnesian Calcite from Carbonate Rocks at Russian Platform. New Data on Minerals, 42. 163-167 | Journal (article/letter/editorial) | | calcite occur in strongly dolomitized Kasimovian limestone in the Archangelsk Region and in the Podolian...magnesian Moscovian limestone in the Moscow area, and fragments of dolomitized limestone from the Don moraine...linear whiskers of calcite were described from limestone caves in Bulgaria (Maleev & Filipov, 1974). So...mm long were documented from limestone caves near Luzerne, Switzerland (Seemann, 1979; Fischer, 1988)...calcite occurs in Mgpoor pelitomorphic organogenic limestone of the Myachkovo Unit of Late Carboniferous age |  | | Journal (article/letter/editorial) | | LONE JACK QUARRY Rockbridge County, Virginia R. V . D I E T R I C H Central Michigan University Mount...of several minerals have been collected from the quarry, and some of them are in col lections throughout...sesquicentennial of the Virginia Geological Survey. The quarry is not open to collectors. Groups, however, may...R. S. Massie, Jr., president of the Lone Jack Limestone Com pany, Incorporated. Geological Setting Figure...collection; photograph by G . K . McCauley. Lone Jack quarry operations have exposed impure sand stone of the |  | | Journal (article/letter/editorial) | | kaolinite The clay mineral catena together with palygorskite and sudoite can be used as a proximity indicator...tropical arid and semi-arid paleoclimate zones have palygorskite, corrensite and sudoite as typical phyllosilicates...with the leading raw materials sand plus gravel, quarry and dimension stones and limestones used for the...(Fig. 1). It has to be noted that among the term quarry and dimension stones there are also some hidden...mountain range comprises the Western Alps in, Switzerland and France, the Austrian Alpine mountain range |  | Weedman, S.D., Scott, T.M., Edwards, Lucy E., Brewster-Wingard, G. L., Libarkin, J.C. (1995) Preliminary analysis of integrated stratigraphic data from the Phred #1 corehole, Indian River County, Florida. Open-File Report Vol. 1995 (95-824) US Geological Survey doi:10.3133/ofr95824 | Report (issue) | | ...................................... Ocala Limestone.................................................................................... Unnamed limestone .................................................near the top of a limestone at about 318 ft, referred to as the Suwannee Limestone by Schiner and others...Stratigraphic position. However, in this report, the limestone occurring in the interval between 380 to 318 ft...unnamed limestone, on the basis of differences in lithology from the type Suwannee Limestone. Much of |  | | Journal (volume) | | G. Tindle 23-25 PAPERS Danburite from Meldon Quarry, Okehampton and other UK localities Michael S....characterised on specimens collected in 1989 at Judkins Quarry, Nuneaton, Warwickshire (Hawthorne et al., 1999)...Na2CaCu2(P2O7)·10H2O, a new mineral from Judkins Quarry, Warwickshire. Mineralogical Magazine, 63, 13-16...Ireland, 10, 29-36. 25 Danburite from Meldon Quarry, Okehampton and other UK localities Mike S. Rumsey...CaB2Si2O8 in grossularite-datolite skarn from Meldon Quarry in Devon. Published reports indicate that at least |  | Suárez, Mercedes, García-Rivas, Javier, Sánchez-Migallón, Juan Morales, García-Romero, Emilia (2018) Spanish palygorskites: geological setting, mineralogical, textural and crystal-chemical characterization. European Journal of Mineralogy, 30 (4) 733-746 doi:10.1127/ejm/2018/0030-2753 | Journal (article/letter/editorial) | | with respect to the theoretical formula for palygorskite, as they range from magnesian to aluminous palygorskites...correspond to Mg-rich palygorskite. Key-words: palygorskite; hydrothermal palygorskite; clay minerals; Tertiary...properties; SEM; adsorption of N2. 1. Introduction Palygorskite is an important industrial mineral used in numerous...their structural and microtextural features. Palygorskite, a modulated phyllosilicate, has modulated components...lateral dimensions of the octahedral sheet. Palygorskite and sepiolite are minerals that have particular |  | Keller, G., Adatte, T., Bajpai, S., Mohabey, D.M., Widdowson, M., Khosla, A., Sharma, R., Khosla, S.C., Gertsch, B., Fleitmann, D. (2009) K–T transition in Deccan Traps of central India marks major marine Seaway across India. Earth and Planetary Science Letters, 282 (1) 10-23 doi:10.1016/j.epsl.2009.02.016 | Journal (article/letter/editorial) | | University of Lausanne, Anthropole, CH-1015 Lausanne, Switzerland Department of Earth Sciences, Indian Institute...Sciences, University of Bern, CH-3012 Bern, Switzerland b c a r t i c l e i n f o Article history:...Geological Institute of the University of Neuchâtel, Switzerland. Bulk rock and clay mineral assemblages were...correction factors. When necessary, identification of palygorskite and illite main reflections (8.4–8.9 2Θ) have...hard, lithified and almost nodular coarse-grained limestone forms the top of this unit. Common fresh water |  | | Journal (article/letter/editorial) | | Clay Minerals, Vol. 33, No. 5, 451-457, 1985. PALYGORSKITE FROM TERTIARY FORMATIONS OF EASTERN SAUDI ARABIA...Riyadh, Saudi Arabia Abstract--The occurrence of palygorskite in some Tertiary sediments in eastern Saudi...dolomitic-calcitic limestone of the Umm er Radhuma Formation and of the dolomitic limestone of the Dammam...particles, most of which were <0.2-#m in size. Palygorskite was the main constituent of some of the shales...gypsum and other salts with palygorskite in the shale suggests that palygorskite formed in closed-basin environments |  | | Journal (article/letter/editorial) | | Clay Minerals, Vol.30, No. 3, 191-199,1982. PALYGORSKITE-SEPIOLITE CLAYS OF LEBRIJA, SOUTHERN SPAIN E...southern Spain contain commercial deposits of palygorskite and sepiolite. These sediments of continental...and local diatomite layers, as well as limestone, sandy limestone, marl, and clayey sandstones. This unit...___palygorskite; (2) center--sepiolite and palygorskite _+ illite; (3) top--palygorskite and illite, _+ sepiolite and...and smectite. Sepiolite decreases and palygorskite and illite increase toward the top, reflecting the composition |  | | Journal (article/letter/editorial) | | 石 鉱 物 鉱 床 学 会 誌 1969年4月5日. 研 究 報 文 PALYGORSKITE FROM THE OGANO MINE, TOCHIGI PREFECTURE, ...Laboratory; Wasede University INTRODUCTION Palygorskite is a light-weight hydrous magnesium and aluminium...cork, leather, paper and fossil skin. The name palygorskite was proposed by Ssaftchenkov (1862) for the...Caillire and Henin (1961). Until recent years, palygorskite has been regarded as a rare mineral in Japan...Ogano mine, which is the largest producer of limestone and dolomite-rock in the Kuzu district, a large-scale |  | | Journal (article/letter/editorial) | | months) experiments on the interaction of crushed limestone and marl with water (at R/W = 1) at room temperature...primary Fbearing mineral (fluorite, mica, or palygorskite) is transformed into a secondary one (Fapatite)...and foremost, fluorite), Fapatite, micas, and palygorskite [2, 4, 5–7]. This implies that the F concentration...METHODS Starting materials. Our limestone samples were taken from a quarry near the town of Podol’sk in...in Moscow oblast. The limestone was dated at the Middle Carbonif erous. The marl samples were obtained |  | | Journal (article/letter/editorial) | | consist of conglomerate, sandstone, mudstone, limestone, marl, and dolomite units. These sediments are...serpentine, calcite, and dolomite with subordinate palygorskite, chlorite, smectite, and illite. Studies by...considered to be reworked materials. Authigenic palygorskite and dolomite formed as a result of the calcretion...Formation, Lacustrine Sediments, Late Miocene, Palygorskite. INTRODUCTION Reconstructions of past climate...environments. In particular, non-marine, authigenic palygorskite and dolomite were studied by many researchers |  | | Journal (article/letter/editorial) | | sediments and dolomitic limestone, by Middle Triassic–Upper Jurassic crystallized limestone, and by Lower– Upper...chert interbedded with pelagic carbonates and limestone. The Hatip ophiolite complex and Çayırbağı ophiolite...sediments containing conglomerate, clayey limestone, and limestone overlying the older rocks discordantly...of Neogene sediments which consist of marl and limestone. Magnesite appeared in the base of these sediments...(2003). The geology and origin of sepiolite and palygorskite and stevensite in Neogene lacustrine sediments |  | | Journal (article/letter/editorial) | | Mg-smectites, as well as fibrous clays (sepiolite, palygorskite). Authigenic Mg-clay minerals occur in both...Mg-clay minerals (pathway 3). Keywords: sepiolite; palygorskite; magnesian smectites; talc-kerolite; lake deposits;...laboratory synthesis studies dealing with sepiolite, palygorskite and other Mg-clays can be found [8,9]. Authigenic...well as chain or fibrous clays (sepiolite and palygorskite) (Figure 2). These minerals are rich in magnesium...(from 21 to 32 wt.% MgO; Table 1) except for palygorskite (MgO content shows relatively low values ranging |  | Wang, Ming Kuang, Tseng, Pao Chung, Chang, Shyun Sheng, Ray, Dah Tong, Shau, Yen Hong, Shen, Yun Wei, Chen, Ruey Chyong, Chiang, Po Neng (2009) Origin and mineralogy of sepiolite and palygorskite from the Tuluanshan Formation, Eastern Taiwan. Clays and Clay Minerals, 57 (5) 521-530 doi:10.1346/ccmn.2009.0570502 | Journal (article/letter/editorial) | | 2009. ORIGIN AND MINERALOGY OF SEPIOLITE AND PALYGORSKITE FROM THE TULUANSHAN FORMATION, EASTERN TAIWAN...and Mg-rich mineralization of sepiolite and palygorskite (attapulgite) which are found in veins within...relationships better by characterizing sepiolite and palygorskite in this Formation and by examining their occurrence...electron microscopic methods. Sepiolite and palygorskite are blocky and earthy-type materials that display...smectite but the earthy type of sepiolite and palygorskite observed in this study displayed precipitation |  | Draidia, Salah, El Ouahabi, Meriam, Daoudi, Lahcen, Havenith, Hans-Balder, Fagel, Nathalie (2016) Occurrences and genesis of palygorskite/sepiolite and associated minerals in the Barzaman formation, United Arab Emirates. Clay Minerals, 51 (5) 763-779 doi:10.1180/claymin.2016.051.5.06 | Journal (article/letter/editorial) | | (2016) 51, 763–779 Occurrences and genesis of palygorskite/ sepiolite and associated minerals in the Barzaman...to understand the occurrence and genesis of palygorskite and sepiolite in relation to the environmental...as of calcite and dolomite. Neoformation of palygorskite, sepiolite, dolomite and halite occurred under...facies leading to the genesis of dolomite and palygorskite by direct precipitation from solution rich in...Ca, Mg, Al, Fe and Si ions. KEYWORDS: Dubai, palygorskite/sepiolite, neoformation, pedogenesis, mineralogy |  | | Report (chapter) | | m thick). (4) Castle Hayne Formation. Eocene limestone separated by a sharp disconformity from the overlying...impermeable cap over the underlying Castle Hayne limestone aquifer. Mining in Florida is concentrated in...mined ( 0 - 6 m thick); (5) Bed CSC-phosphatic limestone and marl, the lateral equivalent of Bed 1; (6)...phosphatic bed consisting of marl, clay, and limestone containing thin high-grade beds of phosphate as...Slansky 1986). debris ( 2 - 8 m thick); (8) palygorskite bed. One significant primary compositional difference |  | | Journal (article/letter/editorial) | | PETM;(A) (A)Dababiya Dababiya NW (Egypt): the palygorskite variability through the section is detectable...detectable, with short intervalsof NW (Egypt): the palygorskite variability through the section is detectable...kaolinite (single sample); simplified lithology: 1 = limestone; 2 = marl; 3 = clay–marl; 4 = laminated clay to...marly clay; 5 = marl simplified lithology: 1 = limestone; 2 = marl; 3 = clay–marl; 4 = laminated clay to...in the PETM interval, fibrous clay minerals (palygorskite and sepiolite) occur in high to intermediate |  | | Journal (article/letter/editorial) | | 2003. THE GEOLOGY AND ORIGIN OF SEPIOLITE, PALYGORSKITE AND SAPONITE IN NEOGENE LACUSTRINE SEDIMENTS...environments where sepiolite, palygorskite, saponite and dolomitic sepiolite or palygorskite precipitated periodically...saponite-dominated levels, whereas saponite accompanied palygorskite at Kocapınar where basaltic volcanism occurred...occurred. The contacts between sepiolite-palygorskite and saponite levels are more or less sharp, reflecting...Micromorphological images reveal that both sepiolite and palygorskite grew as interwoven fibers or fiber bundles and |  | Nasedkin, V. V., Vasiliev, A. L., Boeva, N. M., Belousov, P. E. (2014) Geology, mineralogy, and genesis of palygorskite clay from Borshchevka deposit in the Kaluga Region and outlook for its technological use. Geology of Ore Deposits, 56 (3) 208-227 doi:10.1134/s1075701514030027 | Journal (article/letter/editorial) | | 237–258. Geology, Mineralogy, and Genesis of Palygorskite Clay from Borshchevka Deposit in the Kaluga...conditions of palygorskite deposition in the Moscow Syneclise, which is regarded as a palygorskite province...Horizon (C1st), which is the most promising for palygorskite and associated smectite, have been carried out...out. The morphology and crystal structure of palygorskite varieties differing in origin are characterized...characterized, as well as possible use of palygorskite from the Borshchevka deposit as a drilling mud, foundry |  | | Journal (article/letter/editorial) | | dolomite is commonly associated with authigenic palygorskite and gypsum. Based on its associations, the spheroidal...to horizontally bedded, fossiliferous chalky limestone representing the overlying Middle Eocene Suez...midway between Wadi Abu Saiyala and Iron and Steel Quarry. (C) A close-up view showing the lower unit of...shows the occurrence of characteristic peaks of palygorskite (Fig. 5). These peaks show a slight shift after...heating to 550 jC (Fig. 5). Further support for palygorskite identification comes from the electron probe |
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