 | | Journal (article/letter/editorial) | | 1900 I had occasion to compare the rocks of the south-eastern coast of Jersey with the hornblende gabbro... on the other to interbanding. Examination of Bordeaux Harbour and the shore between Hougue a la Perre...distinct from the dioritic rocks to the north and south. (2) SECTIONS off IHB NORTHERN AND WKSTEKN COASTS...COASTS. (a) East Shore of Grande Havre.—The quarry at the south-east angle of Grande Havre is excavated in...junction consists of plagioclases varying from oligoclase to labradorite, usually 1 Quart. Journ. Geol |  | | Report (volume) | | ................................ 49 Individual quarry areas.................................................. 51 Baltimore County .................................... 51 Howard County.......................................................... Individual quarry areas. ................................................ Chesterfield County (south of James River)................ Henrico County (north of James River)......................................... Fairfax County area ......................................... |  | | Journal (article/letter/editorial) | | GARDNER Department of Geology, University of South Carolina, Columbia, SC 29208 (U.S.A.) (Received November...the weathering of a granite near Columbia, South Carolina, involved substantial losses of both Al and...analyzed from the crystalline rocks of the South Carolina Piedmont. Also included are two andesite saprolite...California (Hendricks and Whittig, 1968) and South Carolina (this paper). O p e n squares = Al2 0 3 ; o...62 g cm -3 and is composed of 30% quartz, 30% oligoclase (Na0.TsCa0.25All.2sSi2.TsOs) and 40% orthoclase |  | | Journal (article/letter/editorial) | | ROCK-SAMPLES FROM THE MIOCENE DEPOSITS, ETC., OF THE BORDEAUX DISTRICT. By HENRY B. MILNER. DURING the course...course of the Excursion of the Association to Bordeaux, Prof. A. Morley Davies collected some representative...Orthoclase, more rarely plagioclase (probably oligoclase). Chert. Some worn grains. Muscovite. Cleavage...the inch. Land~ PETROGRAPHY OF ROCK-SAMPLES, BORDEAUX DISTRICT. 301 Garnd. Pink to colourless, unsymmetrical...comparatively scarce. PETROGRAPHY OF ROCK-SAMPLES, BORDEAUX DISTRICT. 3050 Kyanite. Abundant, characteristic |  | | Journal (article/letter/editorial) | | Petrographic ~~~ami?zcction.-Kerstaniteis a mixture of oligoclase and mica in varying proportions. If' mica predominates...mass is coarsegrained and lighter in colonr. The oligoclase has a reddish-white to pure white colour, and...Quartz is also observed, but is diEcuM to detect. Oligoclase, quartz, iron-pyrites, and carbonates occur,...viz., oligoclase and mica. The first was found to approacli nearly in composition to the oligoclase described...tabulates the composition of kerstanite as follows :Oligoclase . . . . . . . . . . . . . . . . . . Mica ... |  | | Journal (article/letter/editorial) | | the tuffs belonging to the volcano itself. On the south-east of the cylinder in which lies the Straight...^Rocque de Guet Quarry, Albecq. 8 la § 3aI Hg fLancresse Common—• («) Sea cliff by quarry. Intermediate...differentmtes 6 T o p of quarry. a n d h bnds y | (C) By Martello tower near quarry. iLes Vardes. Two specimens...specimens. Gabbro plus quartz, etc. Gabbro f Quarry on S. side of St. Sampsons " I Pea Stacks Gneiss...Diontic Gneiss. ("Jouas Quarry, S. of Vale Church. -I Quarry near Bordeaux. [ Hougue Ricart, near St |  | Braun, Jean-Jacques, Marechal, Jean-Christophe, Riotte, Jean, Boeglin, Jean-Loup, Bedimo Bedimo, Jean-Pierre, Ndam Ngoupayou, Jules Remy, Nyeck, Brunot, Robain, Henri, Sekhar, M., Audry, Stéphane, Viers, Jérôme (2012) Elemental weathering fluxes and saprolite production rate in a Central African lateritic terrain (Nsimi, South Cameroon) Geochimica et Cosmochimica Acta, 99. 243-270 doi:10.1016/j.gca.2012.09.024 | Journal (article/letter/editorial) | | in a Central African lateritic terrain (Nsimi, South Cameroon) Jean-Jacques Braun a,b,⇑, Jean-Christophe...the Small Experimental Watershed (SEW) of Nsimi, South Cameroon in order to quantify the export fluxes of...the current weathering rates of plagioclase (oligoclase) in the system, the other remaining 6% may be...ridge top weathering profile from the Mule Hole SEW (South India), developed on similar granodioritic basement...mm/kyr), (ii) the Miocene age (average 15 Myr) of the South Cameron Plateau landscape and (ii) the limited movement |  | | Journal (article/letter/editorial) | | the largest of these complexes (fig. SI), the Bordeaux diorite. In the north-western part of this diorite...t e or calcic labradorlte to calclc or middle oligoclase. In contrast, the aeicular diorite contains plagioclase...serlcitlsed and is zoned from middle andeslne to sodic oligoclase. Hornblende in the even-grained diorite occurs...and oscillatory zoning both within the andeslne-oligoclase range and, m r s rarely, patchy zoning. Minor...in composition from middle andesine to sodlc oligoclase. Patchy zoning is also present, ~ r e c o ~ n |  | | Book | | THE MUSEUM (NATURAL HISTORY), k CROMWELL ROAD, SOUTH KENSINGTON. DEPARTMENTS OF GEOLOGY AND PALAEONTOLOGY... . . 23 .26 Table of Stratified Rocks THE SOUTH-EAST GALLERY. General Arrangement of Class Fossil...Teleosaurus Dinosauria Omosaurus, Megalosaurus, South African Repiilia Chelonia . Pliosaurus Plesiosaurus...the whole of the ground lying to the west and south-west of the Reports from Keepers of Natural History...five or Museum eight or at acres of ground, South Kensington. either The contiguous to the necessity |  | Vázquez, Mercedes, Ramírez, Sebastián, Morata, Diego, Reich, Martin, Braun, Jean-Jacques, Carretier, Sebastien (2016) Regolith production and chemical weathering of granitic rocks in central Chile. Chemical Geology, 446. 87-98 doi:10.1016/j.chemgeo.2016.09.023 | Journal (article/letter/editorial) | | trench retreat caused by a PT period of slow South Atlantic sea-floor spreading (Larson and Pitman...minerals of fresh granitic rocks are quartz, oligoclase (An19), K-feldspar, biotite, hornblende and chlorite...presence of biotite. The average parent rock is an oligoclase-quartz rich tonalite. Average compositions of...elements are mobile only in the colloidal phase in a South African catena. The lack of enrichment trend of...anorthite (mostly oligoclase). SEM observations show that the Naplagioclase (oligoclase) crystals could |  | | Report (chapter) | | University of Maryland, College Park, MD 20742, USA) 4Department of Geology, University of Wales at Cardiff...older region of gneisses and foliated rocks in the south. The c. 2000 Ma (Calvez & Vidal 1978) Icart granitic...granitic augen gneiss is the main rock unit in the south but foliated quartz dioritic rocks, previously called...rock unit, the La Capelle granodiorite, at the south end of Perelle Bay. We have been unable to find...hornblende. Plagioclase is now usually sodic oligoclase (around An10). However, sufficient relict material |  | Braun, Jean-Jacques, Ngoupayou, Jules Remy Ndam, Viers, Jérôme, Dupre, Bernard, Bedimo Bedimo, Jean-Pierre, Boeglin, Jean-Loup, Robain, Henri, Nyeck, Brunot, Freydier, Rémi, Nkamdjou, Luc Sigha, Rouiller, James, Muller, Jean-Pierre (2005) Present weathering rates in a humid tropical watershed: Nsimi, South Cameroon. Geochimica et Cosmochimica Acta, 69 (2) 357-387 doi:10.1016/j.gca.2004.06.022 | Journal (article/letter/editorial) | | 2005 Copyright © 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ⫹ .00 doi:10...weathering rates in a humid tropical watershed: Nsimi, South Cameroon JEAN-JACQUES BRAUN,1,3,* JULES REMY NDAM...the Mengong brook in the humid tropics (Nsimi, South Cameroon). This watershed is developed on Precambrian...the Mengong brook at Nsimi (Nyong river basin, South Cameroon) developed on Precambrian granitoids that...latitude 2°48=N and 4°32=N (Fig. 1), primarily on the South Cameroon Plateau. The current regional humid tropical |  | | Journal (article/letter/editorial) | | normally encountered. perhaps high temperature oligoclase. The data for .411an Hills A77005.74 arc shown...systems. In contrast, shock loading low-temperature oligoclase ~34 GPa moved the Tl peak from 132 +- 8 to 230...Presented at 48th Annual Meteoritical Society Meeting, Bordeaux, France. DODD R. T. and JAROSEWICH (1979) Incipient...(1986) Thermoluminescence studies of shock loaded oligoclase and bytownite. Lunar Planet. Sci. XVII, 3 1l-3 |  | | Journal (article/letter/editorial) | | 2004 Copyright © 2004 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/04 $30.00 ⫹ .00 Pergamon...by the dissolution of the major plagioclase (oligoclase) present in the rocks. The coupled approach of...et al., 1999). Drever and Hurcomb (1986), in the South Cascade Glacier area (Washington), attributed the...Estibère watershed, this valley is open to the south east but has a different morphology. The Escale...and 1.5 km2 respectively. They are exposed to the south, and are largely covered by talus and poorly colonized |  | | Report (volume) | | Geological Survey: vol. 4,1902; Garrett County, 1902; Cecil County, 1902. Baltimore, Md. Mexico, Institute...the State geologist), 1902. Albany, N. Y North Carolina Geological Survey: Economic Paper, no. 6, 1902...Paris, France. South Dakota Geological Survey: Bulletin, no. 3, 1902. Vermilion, S. Dak. South Dakota School...Jr.). [Maryland]. The physiography of Garrett County Md. Geol. Surv., Garrett Co., pp. 27-54, pis....Describes .the topographic and drainage features of the county, and discusses its physiographic history. 2 Adams |  | | Journal (article/letter/editorial) | | 2Department of Geosciences, Penn State University, USA With 6 Figures Received October 14, 1992; accepted...were done using the AFFMA least squares program (Bordeaux University, pers. com.), as modified in PC version...ranging from the chlorite-muscovite zone in the south to the cordieriteandalusite, sillimanite and migmatitic...granodiorites and leucogranites (Druguet, 1992); in the south and southwest, two stocks of granodiorites and quartz...consists mainly of quartz, microcline, albite-oligoclase and muscovite, with layering generally marked |  | | Journal (article/letter/editorial) | | City University of New York, Rushing, N.Y. 11367, USA. [Journal of Petroloer. VoL 27, ftui 5, pp. 1229-1231...groups; 7: Les Arcs (in the North) and Cassin (in the South) groups. The numerous amphibolitic lenses intercalated...Compositions of all the plagioclase range from oligoclase (An26) in the less silicic rock to albite (AnO25-Ano...high-silica rhyolites of the Coso volcanic field, Inyo County, California. J. geophys. Res. 96, 23-41. Baker...silicic volcanics of S.E. Queensland and N.E. New South Wales, Australia. J. geophys. Res. 86, 10242-256 |  | | Report (volume) | | phosphates of South Carolina...................... Amorphous nodular phosphates of North Carolina............deposits of South Carolina..... II. Map showing location of phosphatic deposits of North Carolina..... III............... FlG. 1. Section at Olyinpia, Bath County, Ky............................... 2. Apatite in...in the Bonanza pit, Union mine, Portland, Ottawa County, Quebec .............................'.......... Section on south side of hill on north side of RheaiimO L.lke, Templeton, Ottawa County, Quebec ... |  | | Book (edition) | | fig. 4 with fig. 5, representing a crystal of oligoclase, another one of the triclinic feldspars* The...and in oligoclase and the other triclinic feldspars it is 3® to 5® from 90®, being in oligoclase 93® 50'...it occurs in beds along the central part of the south coast and to some distance inland. It undergoes...near Borax Lake, in Califoinia ; Inferno, Humboldt County, Nevada, , abundant. The sulphur of commerce is...suljdiate. Occurs in tlie waters of liio Vinagi*e, South America also in Java, and at Lake de Taal on Luzon |  | | Book (edition) | | Fig. 4 with Fig. 5 representing a crystal of oligoclase, another one of the triclinic feldspars. The...planes on the two are the same 4. ORTHOCLASE. OLIGOCLASE. with one exception; but there is this difference...90; and in oligoclase and other triclinic feldspars it is 3 to 6 from 90, being in oligoclase 93 50', and...near Clear Lake, in California; Inferno, Humboldt County, and Rabbit Hole Mines, Nevada; near Evanston,...it occurs in beds along the central part of the south coast and to some distance inland. It undergoes |  | | Journal (article/letter/editorial) | | environmental contexts from the Betic-Rifian Cordillera (South Spain and North Morocco): marine hardgrounds, submarine...environmental contexts from the Betic-Rifian Cordillera (South Spain and North Morocco): marine hardgrounds, submarine...cryptic spaces among Jurassic pillow-lava bodies from South-Iberian Paleomargin provide the basis for the discussion...to Vera [62] are from North (more proximal) to South (more distal): Intermediate Units, External Subbetic...constituted by sedimentary marine rocks deposited in the South-Iberian Paleomargin and the North Gondwana Paleomargin |  | | Book (edition) | | Middlesex. September, 1960. Exhibition Road, South Kensington, London, S.W.7. lll .. CONTENTS...SOURCES OF AGG R EGA TE THE sources are given under county headings, with all the counties of England, Wales...Scotland in one alphabetical list. Within each county the crushed rock quarries, gravel pits and slagworks...address of owner or occupier Name and situation of quarry, pit or works Type or types of rock, gravel or...be of value for this purpose. For this reason, south-eastern England, southeast of a line joining Lyme |  | | Book (volume) | | Atlantic THE OCEAN BASINS AND MARGINS Volume 1: The South Atlantic ¢ 1973 Volume 2: The North Atlantic e 1974...Department of Geology University of South Carolina Columbia, South Carolina and Francis G. Stehli Department...Includes bibliographies. CONTENTS: vy. 1. The South Atlantic. v. 2. The North Atlantic. 1. Submarine...Nairn of Geology University of South Carolina Columbia, South Carolina E. R. W. Neale Department of Geology...de Géologie du Bassin d’Aquitaine Université de Bordeaux Talence, France Diana Mildred Warrell Department |  | | Book (edition) | | Crowthome, Berkshire. ](1]1Uary, 1968 Exhibition Road, South Kensington, London, S.W.7 iii First Published...OF SOURCES OF AGGREGATE sources are given under county headings, with all the counties of England, Wales...Scotland in one alphabetical list. Within each county the crushed rock quarries, gravel pits and slagworks...address of owner or occupier Name and situation of quarry, pit or works Type or types of rock, gravel or...purpose. For this reason, southeastern England, south-east of a line joining Lyme Regis and the Wash contains |  | | Journal (volume) | | GRAFTON -STREET. EDINBURGH : WILLIAMS & NORGATE, 20, SOUTH FREDERICK -STREET. 1873 . Wheldon geol . 1o -2...the Analysis of Trachyte Porphyry, from Tardree Quarry , near Antrim . By Edward T. Hardman, Associate...24 CONTENTS. Page. Tertiary Iron Ore in the County Londonderry. By G . H . Kinahan, M . R . I. A ...Examination of Lough Allen Coal, from Arigna District, County Leitrim . By L. Studdert, LL. D ., Ex-S. T. C... . 146 The Carboniferous Ingenite Rocks of the County Limerick. By G . H. Rinaban , 149 M . R . I . A |
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