 | | Journal (article/letter/editorial) | | CLAY MINERALS IN THE HELVETIC ALPS OF EASTERN SWITZERLAND HEJING WANG,I,2 MARTIN PREy,1 AND WILLEM I B...Universitlit, Bernoullistrasse 30, CH-4056 Basel, Switzerland 2 Present address: Department of Geology, Peking...Alps in eastern Switzerland were studied by clay mineralogical methods. Based on illite "crystallinity"...consistent with illite "crystallinity" zones. Using the ordering of mixed-layer illite/smectite, the diagenetic...diagenetic zone is subdivided into three zones. The illite domain size distribution was analyzed using the |  | Corentin, Pauline, Deconinck, Jean-François, Pellenard, Pierre, Amédro, Francis, Bruneau, Ludovic, Chenot, Elise, Matrion, Bertrand, Huret, Emilia, Landrein, Philippe (2020) Environmental and climatic controls of the clay mineralogy of Albian deposits in the Paris and Vocontian basins (France) Cretaceous Research, 108. 104342 doi:10.1016/j.cretres.2019.104342 | Journal (article/letter/editorial) | | vermiculitic clays associated with abundant illite, R0 type illite-smectite 20 mixed-layers (smectite) and...studied areas. In the Paris Basin, the covariation of illite and kaolinite suggests the reworking 23 of these...deep 27 offshore environments. In this basin, illite and kaolinite did not show any covariation 28...minerals were identified (Fig. 9) : a 220 R0 type illite-smectite mixed-layer (17 Å based on a glycolated...smectite for the following sections; a R1 type illite-smectite mixed-layer (around 11.5 Å in 222 air-drying |  | | Report (issue) | | Lambeth Group Front cover Shrinkage cracks in the Gault clay Bibliographical reference Jol><"ES, L D and...clay soils', the first two having dealt with the Gault (Clay) Fomiation and n1udstones of the Mercia Mudstone...comparisons are 1nade with data obtained for the Gault Forn1ation and Mercia Mudstone Group previously...clay soils'; the previous two stages being the 'Gault (Clay) Fonnation' (Jones and Hobbs, 1998a) and 'n1udstones...data produced to date has been made, including Gault Fonnation and Mercia Mudstone Group data, in order |  | | Journal (article/letter/editorial) | | r ~ c a l UNIT L~ LYE~DDGY CPALK U . ( I ~ GAULT (a) Above 120m (b) Below 12Cm SmD/S~T F ~ n ~...zeolite ~inc~ ~qes[~ate, >yrite. ~uertz, opal-,CT, illite smectite, calcite. siliceous mu4d~ fine siltstene...(coccolithic) minc~ ~hlc~ite, kaolinite ~pal-(~, smectite !illite-~nectite, mica ~]ite. pyrite Iqt~:qr'~, opal-CT...feldspars mica, kaolinite, calcite (shell ~ehris), (illite-smectite). ,~a,c~nite, plant-~ebris, Diorite. ...mica, ksolinite, q~m~z, subsidiary illite-smectite. calcite, illite, imsn quartz, glaxxmite, calcite. |  | | Journal (article/letter/editorial) | | The stratigraphy and petrography of the Gault Clay Formation (Albian, Cretaceous) at Reddiff, Isle of... 1996. The stratigraphy and petrography of the Gault Clay Formation (Albian. Cretaceous) at Redcliff...biostratigraphy. lithostratigraphy and mineralogy of the Gault Clay at Redcliff near Sandown in the eastern Isle...section of the Gault Clay at Folkestone in Kent. The silty and sandy development of the Gault is 35 m thick...g. White, 1921: Casey 1961; Kennedy 1969), the Gault Clay Formation there remains very poorly known on |  | | Journal (article/letter/editorial) | | forestry. The Sandgate Beds, Folkestone Beds and Gault form an undulating vale which is mainly agricultural...G F E D C B A *-. Chalk - upper Greensand Gault limestone - - clay Sondgote B e d s Bargate...restricted to seven minerals; quartz, kaolinite, illite, montmorillonite, calcite, apatite and an unidentified...the Folkestone Beds contain subsidiary amounts of illite, montmorillonite and kaolinite, while soil on the...lost montmorillonite and some illite. The soils developed on the Gault and Sandgate Beds also appear |  | | Journal (article/letter/editorial) | | Clay, St. Ives .. Kimrneridge Clay. Gillingharn Gault, Brasted . .. .. 95 125 105 113 110 130...from various types of sediments. The curve for Gault clay from Brasted shows also the effect of the addition...example, in Fig. 1 the effect of water-glass on a Gault clay is illustrated. The reason for the rapid and...exchangeable ' ions from lattices such as those of illite, attapulgite, or montmoriilonite, thus leading...as the London Clay, Gault and Oxford Clay as a species intermediate between illite and montmorillonite |  | | Journal (article/letter/editorial) | | Phosphatic nodules were formerly extracted from the Gault and Upper Greensand near Farnham and Cheriton, and...Sand, the Weald Clay, the Atherfield Clay and the Gault. All of these formations are believed to have been...scattered operations situated on the Hastings Beds and Gault remain. Sedimentary clays consist essentially of...Most brick clays contain disordered kaolinite or illite, or a mixture of the two, as the main clay mineral...fairly fresh to brackish water conditions, whilst illite is generally found in a marine environment. The |  | | Report (issue) | | ferric iron from haematite, potassium from mica (and illite), calcium from calcite, ferrous iron and magnesium...and halloysite. 2. Mica group, including micas, illite (hydromica), gJauconite etc. 3. Smectite group...commonly used, normally in amounts subordinate to illite. The two polymorphic forms of kaolinite, nacrite...similarity to the micas is shown by the illite group. In both illite and smectites the unit cell has an octahedral...tetrahedral layers. In illite, characteristic of, for example, the London and Gault clays, about one sixth |  | | Journal (article/letter/editorial) | | the Lower Greensand (Folkestone Beds). and the Gault at Folkestone 10 Kent, each layer representing a...INTRODUCTION The Sulphur Band lies 50 em beneath the Gault in the Folkestone Beds of the Lower Greensand, at...occurs. Phosphate nodule beds are also found in the Gault, and in the Lower Greensand (Fig. 2). Thus the underlying...traditionally been taken as the basal horizon of the Gault for lithostratigraphic re~sons (Casey, 1950). However...the base of the dark clay rich sands of the basal Gault (the 'Greensand Seam' of Casey, 1961). The commonest |  | | Journal (article/letter/editorial) | | of greatest importance--smectites and mixedlayer illite-smectite clays (see e.g. Grim, 1962; Taylor & Cripps...(after Weaver11967) NO DATA GIVEN /111 237 I ILLITE ~ KAOLINITE ~ CHLORITE ATTAPULGITE FIG. 1...10 /~ clay (illite), and expandable clay (which includes smectite and mixed-layer illite-smectite). Details...+Brooch 9 DS :)KM PSD 9 FOX ~FEI9 OFE23 I0/~(ILLITE) EXPANDABLE CLAY ( Smectite+Mixed-layer) O +...LC37--London Clay, Regent's Park, London. GC4--Gault Clay, Letchworth, Herts. FE23--Cretaceous fuller's |  | | Journal (article/letter/editorial) | | smectite-chlorite, swelling chlorite, normal chlorite, illite and kaolinite. Limestones from the weakly metamorphosed...South-West Highlands area contain only kaolinite, illite and chlorite. The genesis of the clay minerals...of 4.2 N acetic acid according to the method of Gault and Weiler (1955) until all the carbonates were...glycerol, c heated at 600~ C. The clay also contains illite and possibly swelling chlorite and tremolite is...heated at 600 ~ C. The clay also contains chlorite, illite and talc Talc. This mineral is i n d i c a t e |  | | Journal (article/letter/editorial) | | Greensand/Monks Bay Sandstone (formerly Carstone), Gault Clay, Upper Greensand and Chalk. This transgressive...dominated by kaolinite, smectite/mixed smectite-illite and illite, with subordinate chlorite. When successions...between detrital kaolinite and U or 3 detrital illite with Th (Myers and Bristow, 1989 and Slatt et al...et al. (1998); the Lower and Upper Greensand and Gault succession (again with gamma-ray and sonic logs)...(Figs. 2 and 3) and in the Carstone/base of the Gault Formation (6), also as expected, this likewise being |  | | Report (issue) | | -----32------------� _ 33 KEY Alluvium r-::-1 Gault � Kimmeridge Clay Sandstone in L--=---J Lower...Mr. J. A. Bain, 1 The Uffington Borehole proved Gault, silty clays with fine quartz granules and ironstone...BH. 1 BH. 8 BH. 5 BH. 7 BH 2 BH. 4 BH. 3 GAULT : 0. : o: ·"· 0 . ·o· . . • . . 1:_o.·. · : �'-...also easily recognis able beneath the base of the Gault, which was encount ered in the b oreholes at 1 1...ft 1 0 inches in this formation. A H. 13 proved Gault clays down to 7 ft ; below was Lower Greensand silt |  | Bomou, Brahimsamba, Deconinck, Jean-François, Pucéat, Emmanuelle, Amédro, Francis, Joachimski, Michael M., Quillévéré, Frédéric (2016) Isotopic seawater temperatures in the Albian Gault Clay of the Boulonnais (Paris Basin): palaeoenvironmental implications. Proceedings of the Geologists' Association, 127 (6) 699-711 doi:10.1016/j.pgeola.2015.08.005 | Journal (article/letter/editorial) | | com/locate/pgeola Isotopic seawater temperatures in the Albian Gault Clay of the Boulonnais (Paris Basin): palaeoenvironmental...measured on several types of fossil hardparts from the Gault Clay Formation including benthic and planktonic...Elsevier Ltd. All rights reserved. Keywords: Albian Gault Clay Formation Oxygen isotopes Palaeotemperature..., Isotopic seawater temperatures in the Albian Gault Clay of the Boulonnais (Paris Basin): palaeoenvironmental...foraminifera, which remarkably co-occur throughout the Gault Clay Formation (Middle and Upper Albian) that outcrops |  | Lozano, R. P., Rossi, C., La Iglesia, A., Matesanz, E. (2012) Zaccagnaite-3R, a new Zn-Al hydrotalcite polytype from El Soplao cave (Cantabria, Spain) American Mineralogist, 97 (4) 513-523 doi:10.2138/am.2012.3908 | Journal (article/letter/editorial) | | woodruffite, calcite, dolomite, and aragonite. Illite, kaolinite, quartz, and zircon are also common...inclusions of illite (Fig. 3a) and more rarely of nordstrandite (Fig. 3b). The illite inclu- LOZANO...locally aligned along growth bands (Fig. 3c). The illite inclusions are more abundant in the larger pores...more easily, supporting a detrital origin for the illite. Inclusion-free crystals of zaccagnaite are also...pores (50–200 µm), where the access of detrital illite was much more restricted. Zaccagnaite is optically |  | | Report (chapter) | | new model of the Helvetic nappes of western Switzerland has been developed using constraints from: (1)...The metamorphism of the nappes. A compilation of illite crystallinity data indicates the existence of a...for the Helvetic nappes? The Helvetic chain of Switzerland is made up by the Ultrahelvetic and Helvetic...spreading models have been proposed. In eastern Switzerland Triimpy (1969, 1973) and Milnes & Pfiffner (1977)...Helvetic and Ultrahelvetic units; in western Switzerland Lugeon (1943) and most later authors explained |  | | Journal (article/letter/editorial) | | Helvetic Alps. Introduction The Helvetic Alps, Switzerland, is a classic example of low-grade fold-thrust... Universite de Lausanne, CH-1015 Lausanne, Switzerland 1 Present address: Department of Earth and Atmospheric...mid-crustal hydrogeology of the Helvetic Alps, Switzerland. The geology, structures, structural evolution...basement, these nappes form in southwestern Switzerland an antiformal stack. The Prealps, Molasse, and...Wieland 1975; Bussy and Epard 1984; Frey 1987), illite ``crystallinity'' (e.g., Burkhard 1988; Dietrich |  | | Journal (article/letter/editorial) | | and at Mont Saint-Hilaire (Pekov, 2000; Horvath & Gault, 1990). The more common substitutions observed at...quartz + albite after apatite (or milarite) and illite after bastnasite. Moreover, a number of unknown...Rivista Mineralogica !taliana 27, 66-77. HORVAT, L. & GAULT, RA. (1990): The mineralogy of Mont Saint Hilaire |  | Buckley, H. A., Bevan, J. C., Brown, K. M., Johnson, L. R., Farmer, V. C. (1978) Glauconite and celadonite: two separate mineral species. Mineralogical Magazine, 42 (323) 373-382 doi:10.1180/minmag.1978.042.323.08 | Journal (article/letter/editorial) | | horizon and locality Lower Greensand Probably Gault/Lower Greensand junction beds, Glyndebourne Bore...Kent Probably Gault/Lower Greensand junction beds, Oxney Bore Bw I72O*, 805 ft, Kent Gault/Lower Greensand...below base of Gault, Copt Point, Folkestone, Kent Folkestone Beds, I ft below base of Gault, Copt Point...Greensand Gault, Glauconite bed of Bed XII, Abbots Cliff, Folkestone (19i 5 slip), base of bed Gault, Glauconite...Cliff, Folkestone (19I 5 slip), just above base Gault, Glauconite bed of Bed XII, Abbots Cliff, Folkestone |  | | Report (issue) | | Report IR/06/060 5000 smectite; 16.9 4000 3000 illite; 9.99 2000 chlorite; 3.54 kaolinite; 3.58 1000...similar projects dealing with soils and rocks of the Gault Clay, the Mercia Mudstone Group, the Lambeth Group...mineral assemblages are generally formed of smectite, illite, kaolinite and chlorite. However, the wide geographic...geotechnical behaviour. Previous studies have included the Gault Clay (Forster et al., 1994), the Mercia Mudstone...found a predominantly montmorillonite (smectite)-illite mineralogy. Samples of London Clay Formation from |  | | Journal (article/letter/editorial) | | environment. Mineralogically it consists mainly of illite, smectite, chlorite and kaolinite minerals. The...glycolated pattern. In sample AC3, approximately 76% illite and 23% chlorite are determined. In addition, unoriented...the clay show that the dominant clay minerals are illite and smectite. Kaolinite and chlorite are also present...glycolation it shifts to 17.33 Å. In this sample, illite is also an abundant clay mineral while kaolinite...kaolinite is detected in small quantities. Illite reflections of 001, 002 and 003 have 10.05, 4.98 and 3.33 Å |  | Winkel, Lenny H.E., Casentini, Barbara, Bardelli, Fabrizio, Voegelin, Andreas, Nikolaidis, Nikolaos P., Charlet, Laurent (2013) Speciation of arsenic in Greek travertines: Co-precipitation of arsenate with calcite. Geochimica et Cosmochimica Acta, 106. 99-110 doi:10.1016/j.gca.2012.11.049 | Journal (article/letter/editorial) | | Ueberlandstrasse 133, P.O. Box 611, 8600 Duebendorf, Switzerland b Institute of Biogeochemistry and Pollutant...Institute of Technology (ETH) Zurich, 8092 Zurich, Switzerland c Water Research Institute – National Research...Ueberlandstrasse 133, P.O. Box 611, 8600 Duebendorf, Switzerland. E-mail address: lenny.winkel@eawag.ch (L.H.E...>69.0%, TraceSelect, Fluka Analytical, Buchs, Switzerland), 6 ml hydrochloric acid (HCl, >37%, TraceSelect...TraceSelect, Fluka Analytical, Buchs, Switzerland) and 3 ml hydrofluoric acid (HF, 40%, Suprapur, Merck KGaA |  | | Journal (article/letter/editorial) | | u r g e r Griinsandstein Alb Gault Gauh Gault Gault Gault Gault Gault Senon Apt Apt/Alb Apt/Alb Campan...Campan Campan Campan Campan Campan Campan Gault Gauh Gault Gauh Gault Campan Palaozen Campan Cenoman Cenoman...Glaukonitkorngehalte, verglichen mit den iibrigen Proben aus dem Gault und Campan. In den helvetischen Gesteinen liegt...Feintonfraktion. deuten leisten- und bandf6rmige Illite, die das gleiehe Aussehen wie T y p e haben, als |  | | Report (chapter) | | of the Mesozoic and Cenozoic series which, in Switzerland, are thrust to m a k e up the Nappe of Morcles...unfortunatel~r prod u c e a w i d e n i n g of the illite p e a k at 10 A, thus modifying the crystallinity...z o n e passage, going f r o m t h e exclusive illite-chlorite m i x t u r e to the m o r e diversified...less negligible. The illite crystallinities In the different sections illite crystallinities vary b...limestones and shales); U: Urgonian (limestones); Gp: 'Gault' (glauconitic sandstones); C: Upper Cretaceous (limestones); |
|
