 | | Journal (article/letter/editorial) | | Remarks on the distribution of Minerals in North Devon.--B~ Tow~s~E~ M. HALL, F.G.S., &c. HE district...systems present a regular sequence of beds from north to south, which, interrupted by the granite of Dartmoor...manganese, are also rarely met with. The quarries of Venn and Swimbridge, in the Mountain Limestone, afford...about the year ! 785. The upper Devonian, in North Devon, admits of the three following subdivisions :...hematite with oxides T. M. HALL ON MIN~KALS IN NORTH DEVON. 213 of manganese are abundant, and have been |  | | Journal (article/letter/editorial) | | Remarks on the distribution of Minerals in North Devon.--B~ Tow~s~E~ M. HALL, F.G.S., &c. HE district...systems present a regular sequence of beds from north to south, which, interrupted by the granite of Dartmoor...manganese, are also rarely met with. The quarries of Venn and Swimbridge, in the Mountain Limestone, afford...about the year ! 785. The upper Devonian, in North Devon, admits of the three following subdivisions :...hematite with oxides T. M. HALL ON MIN~KALS IN NORTH DEVON. 213 of manganese are abundant, and have been |  | | Journal (article/letter/editorial) | | ENVIRONMENTS IN THE MIDDLE DEVONIAN OF SOUTH DEVON, ENGLAND C. J. R. BRAITHWAITE Department of Geology...sedimentation of Middle Devonian carbonate rocks in south Devon is presented. It can be resolved into two groups...a linear belt of shallow water, perhaps to the north of a lowlying land mass. Sedimentary structures...INTRODUCTION The Devonian carbonates in south Devon range in age from Eifelian (Plymouth; TAYLOR, 1951)...a discontinuous belt which expands across south Devon from Plymouth in the west to Torquay and Brixham |  | | Journal (article/letter/editorial) | | Ossiferous Cavern of Pleistocene Age at Hoe Grange Quarry, Longcliffe, near Brassington (Derbyshire)." By...During quarrying operations in Hoe Grange limestone quarry in April, 1902, the workmen broke into a cavern...the results being given in the present paper. The quarry is situated near the top of the plateau, at about...D.Sc, F.G.S. Six volumes, published by the North of England Institute of Mining and Mechanical Engineers...and some of the calcareous algas are built of aragonite, and hence are likely to disappear under the operation |  | | Book | | »•*>.?* QOLD in the Counties Of Cornwall and Devon Errata Contents should read; Dedication Acknowledgements..." _ 1 QOLD in the Counties Of Cornwall and Devon G.S.Camm CORNISH HILLSIDE PUBLICATIONS St. Austell...Printed and Bound by the Short Run Press Ltd, Exeter, Devon. - Contents Foreword Page Acknowledgements Preface...Wadebridge District 53 7 Bodmin District 59 8 South Devon District 66 9 Dartmoor District 75 10 Crediton...Index 99 108 Maps and Figures Page Map 1 SW England Simplified Geology. Map 2 District Location. |  | Allison, Nicola, Cole, Catherine, Hintz, Chris, Hintz, Ken, Rae, James, Finch, Adrian (2018) The effect of ocean acidification on tropical coral calcification: Insights from calcification fluid DIC chemistry. Chemical Geology, 497. 162-169 doi:10.1016/j.chemgeo.2018.09.004 | Journal (article/letter/editorial) | | *Corresponding author, email: na9@st-andrews.ac.uk b SC UK Department of Marine and Environmental Sciences...of the DIC species potentially implicated in aragonite precipitation (be they CO32-, PT HCO3- or HCO3-+CO32-)...Erez 2006; Jury et al., 2009). However, coral aragonite does not precipitate directly from seawater but...the surrounding seawater (Al Horani et al., 2003; Venn 2011; Allison et al., 2014, Cai et al., 2016). The...above that of seawater (Al Horani et D al., 2003; Venn et al., 2011, 2012; Cai et al., 2016). This may |  | | Book | | A HANDBOOK TO THE MINERALOGY CORNWALL AND DEVON TRUR : PRINTED BY HEARD AND SONS, BOSCAWEN STREET...STREET. HANDBOOK MINERALOGY OF CORNWALL AND DEVON, WITH INSTRUCTIONS FOE THEIR DISCRIMINATION, AND...SECRETARY TO THE MINERS' ASSOCIATION OF CORNWALL AND DEVON; SECRETARY TO THE KOYAL CORNWALL POLYTECHNIC SOCIETY;...THIS HANDBOOK TO THE MINERALOGY OF CORNWALL AND DEVON IS DEDICATED, BY HIS SINCERE ADMIRER AND MOST... &c., DEVON PARAGENETIC .... PART II. ALPHABETICAL LIST OF MINERALS IN CORNWALL AND DEVON PLATES |  | | Book | | 14 21. Milverton 4. Building stones 18 22. North Curry 5. Soils and farming 25 23. Norton Fitzwarren...localities. Rarely will a polite request to visit an old quarry be refused. Every The Ordnance Survey’s 1:50,000...sufficient to satisfy This does not include Gamlins Quarry The Likewise the British Geological Survey’s...Great Britain. His geological surveys of Southwest England included west Somerset and are described in his...his Report on the geology of Cornwall, Devon and west Somerset (1839). We include a number of quotations |  | | Journal (article/letter/editorial) | | determination of factors controlling U/Ca of aragonite precipitated from seawater: Implications for interpreting...online 18 April 2015 Abstract The U/Ca ratio of aragonite coral skeleton exhibits coherent patterns of seasonal...evaluate the sensitivity of U partitioning between aragonite and seawater to temperature, pH, and the concentration...concentration of carbonate ion in seawater. Aragonite was precipitated from seawater by addition of carbonate...spectrometry. Our results show that the U/Ca ratio of aragonite precipitated from seawater decreases with increasing |  | Donald, Hannah K., Ries, Justin B., Stewart, Joseph A., Fowell, Sara E., Foster, Gavin L. (2017) Boron isotope sensitivity to seawater pH change in a species of Neogoniolithon coralline red alga. Geochimica et Cosmochimica Acta, 217. 240-253 doi:10.1016/j.gca.2017.08.021 | Journal (article/letter/editorial) | | Waterfront Campus, European Way, Southampton SO14 3ZH, UK bNortheastern University, Marine Science Center...(> 15 mol % MgCO3), which is more soluble than aragonite or lowMg calcite found in other calcareous organisms...2.3; where ΩA is the saturation state for the aragonite CaCO3 polymorph), while Smith and Roth (1979)...calcification in response to changing seawater aragonite saturation state to the increase of the calcification...microelectrodes (Ries, 2011a), and pH-sensitive dyes (Venn et al., 2013). Recent studies investigating δ11B |  | | Book | | * , - North Wales -- - Shropshire . - * South Staffordshire. Warwickshire North Staffordshire...of LIME, continued Marbles, &c. * -- - • Aragonite - 156 to 158 * - ‘’’ - - 156 • 157 - ...District. Mines. Copper Ore. Tons. Cornwall and Devon Northern Counties Wales - Ireland - 190 - 10...scale in limestone are at Llandudno in North Wales and Ecton in North Staffordshire. They are commonly associated...intermingled with quartz. Devon and Courtnay Mines, near Tavistock, Devon. - 7. String of NATIVE. Copper: |  | | Book | | Islands Juan Carlos Carracedo & Simon Day 5. The north of Ireland Paul Lyle 6. Leinster Chris Stillman...PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin and copp...1\llaga::i11e, on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned for his...Meldonaplitequany.nr Okehampton, Devon (leucophanite)' Meldonaplitequarry,nrOkehampton, Devon PottsGillmine,Caldbeck |  | Inoue, Mayuri, Nakamura, Takashi, Tanaka, Yasuaki, Suzuki, Atsushi, Yokoyama, Yusuke, Kawahata, Hodaka, Sakai, Kazuhiko, Gussone, Nikolaus (2018) A simple role of coral-algal symbiosis in coral calcification based on multiple geochemical tracers. Geochimica et Cosmochimica Acta, 235. 76-88 doi:10.1016/j.gca.2018.05.016 | Journal (article/letter/editorial) | | concentration in the calcifying medium, which changes the aragonite saturation state, and the second proposes that...matrix (OM), which is an essential precursor of aragonite crystal precipitation. These hypotheses, which...calcification site pH and DIC, the DIC source, and the aragonite growth rate, rather than of ambient temperature...changes is opposite to the response in abiotic aragonite (Gaetani and Cohen, 2006), whereas the temperature...temperature dependence of Sr/Ca is similar to abiotic aragonite (Kinsman and Holland, 1969). Furthermore, variation |  | | Journal (article/letter/editorial) | | light on oxygen isotope fractionation in the aragonite of the symbiotic coral Acropora sp., which was...was cultured under controlled conditions. Aragonite was randomly sampled, and the oxygen isotopic composition...between daytime and nighttime and conclude that aragonite precipitation does not obey classical thermodynamic... and facilitate the crystallization of coral aragonite only governed by coral metabolism. ACCEPTED...variability (McConnaughey, 1989). However, coral aragonite (a polymorph of calcium carbonate, CaCO3) 18O |  | | Report (edition) | | British Regional Geology I * South-West England r * FOURTH EDITION e ■ - O ” ..y 1835 Geological...British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) NATURAL ENVIRONMENT...Mr. G. Bisson (District Geologist, South-West England), as well as Professor W. R. Dearman and the con...in our knowledge of the geology of south-west England. Most of the great expanse of Carboniferous rocks...Isotopic age-determinations of rocks of south-west England ...... Facing 112 1. . . . List of Geological |  | | Journal (article/letter/editorial) | | skeletons are built by Ca-carbonate (calcite or aragonite) crystals that exhibit distinct morphological...difference difference between between the the aragonite aragonite or or calcite calcite mineralizing mineralizing...VG mass spectrometer. (Isoprime Inc., Manchester, UK) Results are reported in delta notation expressed...due to the different partition coefficients for aragonite and high-Mg It should be noted that, even if the...due to the different partition coefficients for aragonite calcite. On theare other no due significant relationship | | | Report (edition) | | British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) •• ll On 1... G .. Bisson (District Geologist, South--West England), as well as Professor W. R. Dearman and the con...in our knowledge of the geology of south-west England. Most of the great expanse of Carbonif�rous rocks...age-determinations of rocks of south-west . . . . . . . Facing England 1 112 List of Geological Survey Maps and Memoirs...18. 19. 20. 21. 22. 23. Geotectonic map of the north Atlantic region with Greenland and nortl1-east Ca11ada |  | | Journal (article/letter/editorial) | | com/locate/gca Relationship between water and aragonite barium concentrations in aquaria reared juvenile...Elsevier Ltd. Keywords: Coral Ba/Ca; Barium; Aragonite; Distribution coefficient; Favia fragum ⇑ Corresponding...First, Ba readily substitutes for Ca within the aragonite skeleton due to similar ionic radii. Second, terrestrial...dependent partitioning of Ba between inorganic aragonite and fluid has been determined experimentally Table...a function of temperature, calcification rate, aragonite saturation state, and seawater Ba concentration |  | | Journal (article/letter/editorial) | | ............... 480 (1) :Eastern District. (2) North-Western District. (3) South-Western District. (4)...of us (:E. :E. L. D.) extended the work into the north-western part of the area in connexion with the Geological...coal-basin. They present several outcrops, ranging west-north-west on the whole, as they have shared in the powerful...the coast-line lying at no great distance to the north), and northwards and southwards ; and the bearing...therefore be distinguished, under the name of the North-Western District, from the southernmost, which lies |  | | Journal (article/letter/editorial) | | values that are depleted from inorganic calcite/aragonite. Two mechanisms have been proposed to explain...(Gabitov et al., 2012; Watkins et al., 2013) and aragonite (Gabitov, 2013), suggesting kinetic isotope effects...surrounding aragonite fibers, but are more depleted in d18O than the secondary aragonite. The unique composition...by the enzyme CaATPase (Al-Horani et al., 2003; Venn et al., 2011). As Ca-ATPase pumps Ca2+ into the...DIC pool is offset from the expected inorganic aragonite values. This begs a new model of biomineralization |  | Motai, Satoko, Kawano, Jun, Nagai, Takaya, Sowa, Kohki, Watanabe, Tsuyoshi (2016) Precipitation of halite during calcification of the massive reef-building coral Porites lobata. European Journal of Mineralogy, 28 (2) 265-271 doi:10.1127/ejm/2016/0028-2521 | Journal (article/letter/editorial) | | nanosized halite (NaCl) phase coexisting with aragonite (CaCO3) in the coral skeleton. The halite grains...not only along grain boundaries but also inside aragonite grains. The specific relationship of crystallographic...and surrounding aragonite suggest that halite precipitated simultaneously with aragonite during calcification...primary deposition of a mineral phase other than aragonite in a coral skeleton is confirmed for the first...techniques (Al-Horani et al., 2003; Al-Horani, 2005; Venn et al., 2011), these analyses are still challenging |  | Anagnostou, E., Williams, B., Westfield, I., Foster, G.L., Ries, J.B. (2019) Calibration of the pH-δ11B and temperature-Mg/Li proxies in the long-lived high-latitude crustose coralline red alga Clathromorphum compactum via controlled laboratory experiments. Geochimica et Cosmochimica Acta, 254. 142-155 doi:10.1016/j.gca.2019.03.015 | Journal (article/letter/editorial) | | Southampton, European Way, Southampton, SO14 3ZH, UK *corresponding author: eanagnostou@geomar.de Calibration...environments throughout the northwest Atlantic, North Pacific, and 2 Arctic Oceans (Adey et al., 2008)...2012; Ries, 2011; Sutton et al., 2018; Venn et al., 2011; Venn et al., 2013). Therefore, to estimate pHsw...2014; Krief et al., 2010; McCulloch et al., 2012; Venn et al., 2011), and other species of marine calcifiers...Li/Ca ratio relative to coral and foraminiferal aragonite and foraminiferal calcite, and calcification mechanisms |  | | Journal (issue) | | Research into the geology and geomorphology of S. W. England Volume 5 Part 3 1982 Edited by G.M Power The...into the geology and geomorphology of South West England and the surrounding marine areas; to hold Annual...Annual Conferences at various places in South West England where those engaged in this research can meet formally... St Just, 30 Pennsylvania Road, Exeter EX4 6BX Devon. Proceedings of the Ussher Society Volume 5 Part...The Kyrtonia Press, 115 High Street, Crediton, Devon EXl73LG Set in Monophoto Times and Printed by Photolithography |  | | Journal (article/letter/editorial) | | Desmophyllum dianthus through sub-sampling of fibrous aragonite Joseph A. Stewart a,b,⁎, Eleni Anagnostou a, Gavin...Oceanography Centre, University of Southampton, SO14 3ZH, UK National Institute of Standards and Technology, Hollings...coral pH Boron isotopes Trace element Fibrous aragonite a b s t r a c t The isotopic composition of boron...new δ11B calibration of micro-sampled fibrous aragonite from this species. Modern coral specimens recovered...measured δ11B between replicate bands of fibrous aragonite from a D. dianthus specimen can be explained by |  | Montagna, Paolo, McCulloch, Malcolm, Douville, Eric, López Correa, Matthias, Trotter, Julie, Rodolfo-Metalpa, Riccardo, Dissard, Delphine, Ferrier-Pagès, Christine, Frank, Norbert, Freiwald, André, Goldstein, Steve, Mazzoli, Claudio, Reynaud, Stephanie, Rüggeberg, Andres, Russo, Simone, Taviani, Marco (2014) Li/Mg systematics in scleractinian corals: Calibration of the thermometer. Geochimica et Cosmochimica Acta, 132. 288-310 doi:10.1016/j.gca.2014.02.005 | Journal (article/letter/editorial) | | microstructure-related co-variations between the fibrous aragonite and centres of calcification, a characteristic...mechanisms, specifically the mass fraction of aragonite precipitated during calcification, which is shown...thus different from that expected for inorganic aragonite precipitation (Smith et al., 2000). Accordingly...mechanisms controlling the precipitation of biogenic aragonite is required. Whilst significant progress is being...systematics of the Li/Mg palaeothermometer in aragonite skeletons of coral species that occur across a |
|
