 | | Journal (article/letter/editorial) | | 2. Geological setting During the Triassic the North Sea formed an epicontinental basin which was divided...three minor basins: Southern, Central and Northern North Sea Basins (Fisher and Mudge, 1990; Fig. 1). The...in deep wells in the eastern part of the Central North Sea Basin. Bertelsen (1980) recognized the Skagerrak...Geology 121 (1998) 259–276 261 Fig. 1. The Triassic North Sea basins, modified after Ramberg and Spjeldnæs...precipitation through a metastable precursor such as lepidocrocite or goethite (cf. Walker, 1976; Durrance et al |  | | 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 |  | | Journal (article/letter/editorial) | | CRYSTALLINE HYDRATED ALUMINOUS GOETHITES MARTIN VENN FEY1 AND JOE BORIS DIXON Department of Soil and...by an O2:CO2 gas mixture of 1:10 to inhibit lepidocrocite formation (Schwertmann and Fitzpatrick, 1977)...Chen and J. B. Dixon, in preparation), and in lepidocrocite embedded in keratose sponges (Towe and RfJtzler...also evident in some of the large laths of lepidocrocite (inset) which formed when CO2 was withheld from...Schwertmann (1978) also reported the inhibition of lepidocrocite formation by A1 in the Fe(II) system. Vol |  | | Book (edition) | | Kirby, Wirral, UK Printed by Berforts Information Press, Stevenage, Hertfordshire, UK Downloaded from...Diaspore, Boehmite Fe oxyhydroxides Goethite, Lepidocrocite, Ferrihydrite Sulphides Pyrite, Pyrrhotite,...Tephroite, Benallt Mine, Caernarvonshire, Wales, UK (Smith, W.C. et al., 1944, Mineral. Mag., 27, 3346)... } 3.957 99.84 1 Dark red-brown zircon, North Burgess, Ontario, Canada (Palache, C. & Ellsworth...44071). 3 Black titanite, pegmatite, Quoscescer, north-east of Harar, Ethiopia (Morgante, S., 1943, Periodico |  | | Journal (article/letter/editorial) | | In Ghana, six parallel greenstone belts trending north to northeast are recognized. The Nangodi belt in...Cryptomelane Pyrolusite Roman6chite Goethite Lepidocrocite Cryptomelane Pyrolusite Goethite General formulae...manganese-rich banded iron formation of the Cuyuna North range, Minnesota (McSwiggen et al., 1994), and three...to those calculated for the Bald Knob deposit in North Carolina (Winter et al., 1981). Thus, possibilities...and origin of the Bald Knob manganese deposit, North Carolina. Econ. Geol., 87, 2023-40. Force, E.R. |  | | Book | | Mongolia, Turkey, Iraq, Nigeria, Ghana, Spain, England, France, F.R.G·, G.D.R., Poland, Hungary and Bulgaria·...which was extracted from the chalk in southern England and in The Netherlands· Flint was dug from pits...from tie margin of reins inwards (Spruce Pine, North Carolina, U # S # A·). Pegmatites almost never occur... Latérites formed on the oldest basalts in the north-western archipelago whereas on the youngest in the...(anhydrite) + 2 MgC0 3 In Permian-Triassic evaporltes of England anhydrite crystals corrode dolomite· g) Sillcifioation |  | | Book (edition) | | segments or subfiles: (N) Bibliography and Index of North American Geology (1785-1970) (T) Bibliography of...Bibliography and Index of Geology Exclusive of North America (1933-1968) (B) Bibliography and Index of...early volumes of the Bibliography and Index of North American Geology, edited by John M. Nickles and...older volumes of the Bibliography and Index of North American Geology (subfile N in the online database)...Bibliography and Index of Geology Exclusive of North America (subfile E), the indexing was arranged in |  | | Book | | Press The Edinburgh Building, Cambridge CB2 2RU, UK Published in the United States of America by Cambridge... Zussman have offered valuable suggestions in England. The mistakes that remain are due to the author...Department of Geology and the University of Manchester, England. Here, I deeply appreciate the invitation and facilities...2 O 3 synthetic y-LiAlO 2 goethite a-FeOOH lepidocrocite y-FeOOH grossular Ca 3 Al 2 Si 3 O 12 andradite...cm l; maghemite, 19,600 cm"1; goethite and lepidocrocite, 20,800 cm"1; nontronite, 19,200 cm"1. Sources |  | | Book (edition) | | Chapman & Hall. 2-6 Boundary Row. London SEI SHN. UK Blackil' Academic & Professional. Wesler Clcdt.lt:ns...lt:ns Road. 13ishopbriggs. Glasgow GIH 2NZ, UK Chapman & Hall Inc.. 29 Wesl 351h S1ree1. New York NY llXl0I...s1udy. or criticism or review. as permilted under 1he UK Copyright Designs and Patents Act. 1988. 1his publica1ion...issued by 1he Copyrigh1 Licc.:nsing Agency in lhe UK. or in accordance with 1hc.: terms of licences issued...appropria1e Reproduction Righ1s Organizarion oubidc lhe UK. Enquiries concerning rcproduc1ion ou1side the lcrms |  | | Book (edition) | | four seg¬ ments or subfiles: (N) Bibliography of North American Geology (publications from 1785-1970) (G)...Bibliography and Index of Geology Exclusive of North America (published from 1933-1968) (B) Bibliography...that in the early volumes of the Bibliography of North American Geology, edited by John M. Nickles and...unless there are more than 10. The same applies to North American rock formations (up to 10 per citation)...example: El Chichon BT Chiapas BT Mexico Mexico BT North Amercia Broader Terms have the following subdivisions: |  | | Book (edition) | | tBrabers. oe 433 ee 435 » v2 2.24 Sheth tS Uk eka tt eee ZEONESD VN IWriGU PICOZ 1... cet eeitet...of the Karoo System in the southern Transvaal, north-western Orange Free State-and Norther Natal snOwine...and zinc-lead have already been discovered in the North-Western Cape. This area is considered to hold vast...at Richard’s Bay on the Natal coast about 145 km north of Durban, and the first stage was commissioned...stones were found in increasing numbers farther north than Bloemhof on the plains of the western Transvaal |  | | Journal (issue) | | 90M/0943 Endo, K.. 90M/1061 Engel, M. H., 9O1/1152 England, R. W., 90M/0944 Epelboin, Y., 90M/0140 Epplcr...1989, pp 21-24. The Proterozoic dolerite dykes o f north central Vastergotland. S Sweden. seem t o be composed...source which was part of an arc complex to the north rather than from the Dalradian block which also...r Tertiary Cleveland-Armathwaite dyke, o f the North Atlantic Tertiary igneous province, range f r o...tholciitic dykes agree in radiometric date w i t h the North Mountain basalt o f Nova Scotia and w i t h o t |
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