 | | Report (issue) | | Petroleum, Energy and Mines, Islamic Republic of Mauritania Second Projet de Renforcement Institutionnel...(PRISM-II) Uranium in the Islamic Republic of Mauritania: Phase V, Deliverable 81 By Gregory L. Fernette...L., 2015, Uranium in the Islamic Republic of Mauritania (phase V, deliverable 81), chap. N of Taylor... Uranium in the Islamic Republic of Mauritania Summary Mauritania has 80 known uranium mineral occurrences...eight types of uranium deposits are recognized in Mauritania. These deposit types include: calcrete, granite-hosted | | | Report (issue) | | Petroleum, Energy and Mines, Islamic Republic of Mauritania Second Projet de Renforcement Institutionnel...(PRISM-II) Uranium in the Islamic Republic of Mauritania: Phase V, Deliverable 81 By Gregory L. Fernette...L., 2015, Uranium in the Islamic Republic of Mauritania (phase V, deliverable 81), chap. N of Taylor... Uranium in the Islamic Republic of Mauritania Summary Mauritania has 80 known uranium mineral occurrences...eight types of uranium deposits are recognized in Mauritania. These deposit types include: calcrete, granite-hosted |  | | Report (volume) | | Age determinations of zircon in 11 samples of tonalite from southern California__________________________________...batholith of southern California, ranging from tonalite to granite, give a mean age of 110±13 million...batholithic rocks ranging in composition from tonalite to quartz monzonite and granite. The data presented...EL 38-167 ________ Norite..... _ _____ _ _____ Tonalite _ _ ____ _ _____ _ Granodiorite______ _ __ ____...alpha activity. Zircon is relatively abundant in tonalite, averaging about 100 to 200 parts per million |  | | Journal (article/letter/editorial) | | 50: Q u a r z d i o r i t e (inkl. Trondhjemite, Tonalite). fl) A n ~ 5 0 : Q u a r z g a b b r o (inkl... 2. M80--60~o aller Gt.: M a l i g n i t e . 8. M60 90Yo aller Gt.: S h o n k i n i t e . b) Plag 10---50/~...e, T a w i t e (mit Sodalith start Nephelin). 7) M60---90Yo aller Gt.: / v l e l t e i g i t e , Turjaite...g u s i t e , Arkite (mit wesentl. Melanit). 7) M60--90~o aller Gt.: M i s s o u r i t e . B. M90--100yo |  | | Report (issue) | | comprises the diverse 'Corallian' facies of the Oxford region. 4 West Walton Formation (part) Mudstone, alternating...investigate geochemical anomalies ?CAMBRIAN Tonalite, feldspathic rock with hornblende and interstitial...phenocrysts, altered; sharp chilled upper margin, tonalite xenoliths; pyrite disseminated and in veinlets...veinlets, intrusion breccia vein at 2 2 . 7 4 Tonalite ( as above) , breccia veins, network fractures, pyrite...pyrite locally abundant, sparse malachite Tonalite ( as above), sharp chilled upper margin; chalcopyrite |  | Pertsev, A. N., Bortnikov, N. S., Vlasov, E. A., Beltenev, V. E., Dobretsova, I. G., Ageeva, O. A. (2012) Recent massive sulfide deposits of the Semenov ore district, Mid-Atlantic Ridge, 13°31′ N: Associated rocks of the oceanic core complex and their hydrothermal alteration. Geology of Ore Deposits, 54 (5) 334-346 doi:10.1134/s1075701512050030 | Journal (article/letter/editorial) | | melt is possible. Silicic rocks (plagiogranite, tonalite and diorite) revealed in the tectonic zone controlling...talc–chlorite metabasalt; (5) plagiog ranite, tonalite, and diorite; (6) metabasic amphibolite with plagiogranite...sites revealed silicic rocks of plagiogranite, tonalite, and diorite composition, as well as a plagiograniteamphibolite...transitional varieties. Silicic rocks (plagiogranite, tonalite, and diorite) correspond to oceanic plagiogranites...and more abundant amphibole pla giogranite and tonalite. Minor and accessory minerals are represented |  | Hassaan, Mahmoud M., Omar, Sayed A., Khalil, Ahmed E., Shahin, Taher M., El-Naggar, Islam M., Sayyed, M. I., Hanfi, Mohamed Y. (2022) Prognostic Exploration of U-F-Au-Mo-W Younger Granites for Geochemical Pathfinders, Genetic Affiliations, and Tectonic Setting in El-Erediya-El-Missikat Province, Eastern Desert, Egypt. Minerals, 12 (5) 518 doi:10.3390/min12050518 | Journal (article/letter/editorial) | | The cordilleran stage is represented by older (tonalite–granodiorite) and younger (Monzo, syeno, and alkali...progresses from arc-related tholeiite and calc-alkaline tonalite-trondhjemite–granodiorite (older granites) assemblage...are tonalite-granodiorite, gneissose granodiorite, and quartz diThe older granitoids are tonalite-granodiorite...to the wadi level. Er-1is Cu, U, Zn, Th, Pb, Er-7-M60 is Cu -Zn, Th, Pb, U, and Er-8M-90 is Cu, Zn, U,...to the wadi level. Er-1is Cu, U, Zn, Th, Pb, Er-7-M60 is Cu -Zn, Th, Pb, U, and Er-8M-90 is Cu, Zn, U, |  | | Report (issue) | | 855 910 10 7 MB 25 Xenolithic (hypersthene) tonalite Mchinji Ridge 864 903 20 15 MB 26 Hypersthene...general terms (eg hypersthene granite, hypersthene tonalite) are preferred to the special terms (eg charnockite...react with the primary ferromagnesian silicates to tonalite and quartz monzodiorite). Orthopyroxene, though...xenoliths of diorite which are enclosed in the tonalite MB 25 and are more basic and finer-grained than...pink quartz syenite. It is a hornblende biotite tonalite with no pyroxene. The horn blende is better developed |  | Sallet, Ricardo, Price, Jonathan D., Babinski, Marly, Moritz, Robert, Souza, Zorano S., Chiaradia, Massimo (2015) Experimental anatexis, fluorine geochemistry and lead-isotope constraints on granite petrogenesis in the Seridó Belt, Borborema Province, northeastern Brazil. Chemical Geology, 400. 122-148 doi:10.1016/j.chemgeo.2015.02.011 | Journal (article/letter/editorial) | | origin of most of the SiO2-rich plutons in the region. © 2015 Elsevier B.V. All rights reserved. 1....described by Souza et al. (2007). They are the tonalite samples 91F1 and ES56B and the monzo- to granodiorite...94 0.81 0.96 0.85 0.94 0.97 0.93 0.67 Ac m58 m59 m60 m61 qm62 qm63 g64 g65 54.36 52.93 54.12 59.17 62...During this time span, the basement rocks of the region under study (potential crustal anatectic sources)...high-temperature, fluid-present partial melting of tonalite Fig. 8. Lead-isotope systematics of the main |  | | Report (issue) | | considerable variation within the range diorite, tonalite, granodiorite-adamellite-alkali granite, and yet...Daly's Average Diorite (Daly, 1933) Daly's Average Tonalite Daly's Average Granodiorite Daly's Average Alkaline...Granodiorite 01 Daly's Average Diorite Daly's Average Tonalite Daly's Average Dolerite Figure 5 Fe0:Na 20:1½0...variation trend including global averages for diorite, tonalite, granodic)rite, adamellite and granites, within...suggesting the base of the earth's crust as a source region for the granodiorite. The data points were regressed |  | | Journal (article/letter/editorial) | | northerly direction of faults and shear zones in the region that parallel the skarn localization reported herein...(Johnson and Woldehaimanot, 2003). The Abha quadrangle region has a history of metalmining, as nine ancient workings... 1973a). A reconnaissance for W-search in this region (Graukroger, 1984) did not recommend further prospecting...4800 Ma (Greenwood, 1985). The presence in the region of a subsequent continental margin volcanic arc...(Johnson and Kattan, 2001). Later intrusives of tonalite (780–760 Ma ago) were followed by those of granodiorite |  | | Report (edition) | | term South of Scotland is generally applied. The region is bounded on the north by the faulted southern...revealed by the extensive denudation which the region has undergone. These are transverse valleys filled...attracted the attention of geologists, and the region has played an important role in the history of...the remarkable folding of the oldest rocks of the region, devised a machine to demonstrate that similar...in the complicated structure of a highly folded region. In a series of important papers he showed a masterly |  | | Report (issue) | | the occurrence or deposit. PROVINCE The major region political subdivision of the country TEC-SETTING...SHALE SILTSTONE SKARN SLATE SYENITE SYENODIORITE TONALITE TRACHYANDESITE TRACHYTE TUFF VOLCANIC BRECCIA...MALAYSIA MALI MAURITANIA MEXICO MOROCCO MADAGASCAR MALAWI MALAYSIA MALI MAURITANIA MEXICO 5 26 5...+ * > MA K FT > Width M50 < FT/M Thickness M60 < Size M15 (circle letter) : 9______> M5KFT > 240...63 WIDTH M50 0010 64 FT/M M51 0002 65 THICKNESS M60 0010 66 FT/M M61 0002 67 STRIKE M70 0045 68 DIP M80 |  | Cobbing, E. J., Pitcher, W. S., Wilson, J. J., Baldock, J. W., Taylor, W. P., McCourt, W., Snelling, N. J. (1981) The Geology of the Western Cordillera of northern Peru. Overseas Memoir 5. Institute of Geological Sciences | Report (issue) | | in the provision of geological maps of an Andean region which was almost totnlly unmapped. 1 n the course...iii CONTENTS Pakwotcctonic development of the region 19 ,V11nn11 Lower Jurassic 19 ,\Jiddlr Jurau,r...super-units 41 Sequence and disposition 41 The tonalite and quanz-diorilc super-units 42 The Pace/to Suj...Caiiariaco I 13 Pandachi 113 Pomahuaca anomalous region 114 Other anomalies 114 The principal anomalies...93 K.-Ar age determinations for the Pacaybamba tonalite 9 3 K-Ar age determinations for samples of the |  | | Report (issue) | | Mariana Is. Marquesas ls. Marshall ls. Martinique Mauritania Mauritius Mexico Midway Is. Minicoy Is. - U S...Borehole reference Depth i n borehole Boss In tonalite of Strontian Granite complex (post -Moine, pre-Middle...Rock:min era l code l ADD Rock:m i neral name Tonalite Rock i ndicator Mi nera l i nd icator Report...Cardiff CF1 1 JW Brazen nose Street, Manchester M60 BAS Wine Street, Bristol 8S1 2B0 258 Broad Street |  | | Report (issue) | | absent) and the cheek field ; ii, eye field - the region on the dorsal surface of the free cheek between...over the glabella (except furrows) and the axial region of the oc cipital ring; close to dorsal and anterior...ornamen tation is similar to the adjacent glabellar region; dorsal and preglabellar furrows smooth. Occipital...oblong; anterior wings well developed ; posterior region of border narrow with a pair of terrace ridges...adaxially; they become fee ble in the posterior region of pleural field, where in addi tion they fail |  | | Journal (issue) | | area of 12 000 km2 in the Zaria-Funtua-Malurnfashi region, northern Nigeria, was mapped at a reconnaissance...records a close affinity to the Buchan type in the region around Bena to the west of this area. In the Baltic...and that such a melt ,-vould recrystallise as tonalite or granodiorite, depending on the proportion of...described by Shelley ( 1966) for the Les Abers region in France is envisaged. lsoclinal recumbent major...orogeny agrees well with results from the Ahaggar region to the north of Nigeria where French geolog:sts |  | | Report (edition) | | Carboniferous and post-Tertiary geology of the region had rendered obsolete most of the original descriptions...Summary of Geology The South of Scotland is the region lying between the English border and the Southern...by subsequent erosion. The geological of the region is Physical Features The geological diversity...Highland aspect. Here are the highest hills of the region, the Merrick, 842 m, and the Rhinns of Kells, 813...of varying extent. The principal drainage of the region is southwards towards the Solway and eastwards |  | | Report (edition) | | INTRODUCTION The Northern Highlands of Scotland is the region which lies west of the Great Glen and its seaward...times. At the close of this volcanic episode the region formed part of a great continental block which...seaward continuations. The great inland lochs of the region repeat many of the characters of fiords. They have...30 ft above sea level. The largest loch in the region, Loch Shin, occupies a valley overdeepened by glacial...and Morar has demonstrated the existence in that region of unusually well-preserved original sedimentary |  | | Book | | glacial striae directions known from the Vaasa region. Systematic geochemical studies of till were started...and deep drillings resulted in the discovery of tonalite-hosted quartz veins carrying scheelite and molybdenite...old Aijala mines and Lohjansaari—but by 1950, the region under exploration had expanded from the eastern...the layered mafic intrusions of Koillismaa. The region was studied with low-altitude airborne magnetic...organized an ore prospecting competition in the region, and within its framework geologists Erkki Aurola |  | | Report (edition) | | EDITION IMPORTANT ADVANCES IN our knowledge of the region dealt with in this volume have been made since...TEXT i 1, General map of the Tertiary Volcanic Region of the West of Scotland Map showing Britain ...General glaciation map of the Mull-.‘Ardnamurchan region and some ac a raised-beach phenomena 87 91 ...volcanic plateaus forming part of a continental region must have extended continuously along the western...Explanation Fic. 1. General Map of the Tertiary Volcanic Region of the West of Scotland GENERAL INTRODUCTION |  | | Report (edition) | | 0117-9264306 Fax 0117-9294515 9 Princess Street, Manchester M60 8AS 0161-834 7201 Fax 0161-833 0634 16 Arthur Street...South-west Grampian Highlands), Highlands both region systematic (which mapping here is by the...the Precambrian geology. The Grampian Highlands region covers a large area and understanding its complex...staff), and other parts of BGS The Grampians region is mostly one of uplands and mountains, and includes...the north however, the to expose the of the region, countryside along the southern side of the Moray | | | Report (edition) | | EDITION important advances in our knowledge of the region dealt with in this volume have been made since...3333333 Fig. 1. General map of the Tertiary Volcanic Region of the West of Scotland Fig. 2. Map showing the...General glaciation map of the Mull-Ardnamurchan region and some raised-beach phenomena . 114 PLATES ...volcanic plateaus forming part of a continental region must have extended continuously along the western...SCOTLAND Fig. 1. General Map of the Tertiary Volcanic Region of the West of Scotland GENERAL INTRODUCTION | | | Report (edition) | | (0272) 24306/24307 9 Princess Street, Manchester M60 8AS (061) 834 7201 80 Chichester Street, Belfast... FOREWORD TO THE SECOND EDITION our knowledge of the region dealt with in this volume have been made since...PAOii I. General map of the Tertiary Volcanic Region of the West of Scotland 2. Map showing the Tertiary...General glaciation map of the Mull-Ardnamurchan region and some raised-beach phenomena 84 85 87 89 90...volcanic plateaus forming part of a continental region must have extended continuously along the western |  | | Book | | memoir will help them to do this. However, the region also has a fundamental geological significance...ice-excavated rock basins. The area lies within the region north of the Great Glen in which no detailed geological...geological mapping had taken place prior to 1945. The region has since been completely mapped by the Geological...these two fold phases on a large scale in this region is unclear, though both ‘F2’ and ‘F3’ major folds...Psammite D to the north. Its near-vertical axial region (Figure 16g), developed in thick quartzites, is |
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