 | Clemens, J.D., Donaldson, C., Frost, C.D., Kisters, A.F.M., Moyen, J.-F., Rushmer, T., Stevens, G. - Eds. (2010) Sixth Hutton Symposium on the origin of granites and related rocks: proceedings of a symposium held in Stellenbosch, South Africa, 2-6 July 2007. GSA Special Paper 472. Geological Society of America | Report (issue) |
| Proceedings of a Symposium held in Stellenbosch, South Africa 2â6 July 2007 Guest Editor-in-Chief: John D...of Stellenbosch Private Bag X1 7602 Matieland South Africa EESTRSE Editor: Colin Donaldson Guest Editors:...and Related Rocks (6th : 2007 : Stellenbosch, South Africa) Sixth Hutton Symposium on the Origin of Granites...proceedings of a symposium held in Stellenbosch, South Africa, 2-6 July 2007 / guest editor-in-chief, John...bibliographical references. ISBN 978-0-8137-2472-0 (pbk.) 1. Granite--Congresses. I. Clemens, John D. II. Title. QE462 |
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| deeper water turbiditic sequence of the succeeding Clift Hills Group might be broadly coeval with those of...tenuous and are not possible at formation level. A local succession immediately west of the Walls Boundary...East Mainland Megamonocline. This has a vertical western limb, which youngs to the east, and an eastern...Dalradian sequences of the Scottish mainland and Western Isles. Quartzofeldspathic orthogneisses contain...across the islands of Mainland, Yell and Unst. The western margin of the Boundary Zone is marked by occurrences |
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| Silurian Minor intrusions of lamprophyre Skaw Granite (c. 425 Ma) and hornblende diorite UpperNappe...Group N eoproterozoic Boundary Zone Petester Granite Westing Group aplitic and pegmatic veins Hevda...Westing Gneiss WESTING ULTRAMAFIC ZONE (and Tonga Granite) Kirkaby Gneiss North Holme Gneiss Orknagable Formation...Tectonostrati raohical succession on Yell and western Hascosav (after Flinn, 1994) HASCOSAY SLIDE ZONE... Geology of Unst and Fetlar in Shetland The district described in this memoir is covered by Sheet 131 |
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| J;:;{ GEOLOGICAL SUCCESSION IN THE PENZANCE DISTRICT Superficial deposits (Drift) Quaternary Landslip...(Elvan) Carboniferous Aplite Biotite-granite Lithium-mica-granite Lamprophyre Devonian and ?Carboniferous... Geology of the country around Penzance The district around Penzance (Sheets 351 and 358) has been...stimulus here for geological invest.igation. The district featured on Maton 's geological map of Cornwall...in 1797 and accounts, both of the minerals and granite, were published around that time. In this memoir |
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| km thick. They dip vertically and strike north-south. The metasediments in the west were originally laminated...deformation causing elongation of the rocks in a north-south direction. shortening in an east-west direction...An earlier paper by Flinn (1954) described the western half of this Succession. The area described in...Series Laxfirth limestone Clift Hills Series with Clift Hills spilites Clift Hills phyllites Ctift Hi&...In the south the rocks are intruded by the Spiggie granite (Pl. 12A). This is part of a granite mass which |
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| Petrography of Ordovician and Silurian sediments in the western Irish Caledonides: tracers of a short-lived Ordovician...Silurian stratigraphical units in the South Mayo Trough in western Ireland. It is shown that ophiolite...also shows that the Ordovician provenance of the South Mayo Trough sequence evolves from an undissected...assemblage in the conformable Ordovician sequence of the South Mayo Trough. The Miocene evolution of New Guinea...de Lys (Newfoundland), Pinnacle/Hoosac/Tyson (Western New England) and Chilhowee/Ocoee (Southern Appalachians) |
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| 128 and Route 3, where traffic from the west and south of Boston meets and passes at the rate of 168,000...Square. They crop out of the ground from Roxbury south to Brockton and from Braintree west to Needham and...128 and Route 3, where traffic from the west and south of Boston meets and passes at the rate of 168,000...mines beneath the Forbes Industrial Park and the South Shore Plaza, lots of legal questions would arise...into the Berkshires in 1981 and 1982 by several Western mining companies led to a survey of the former |
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| Voc. Shetland Mainland, looking south across inshore islands to the Clift Hills and Fitful I-lead (F ro11ti...Institute of Geological Sciences, Exhibition Road, South Kensington, London, SW? 2DE. AUSTIN 'W. \VQOIJLi\ND...Complexes; Western Post-orogenic Complexes 41 7. Old Red Sandstone of Shetland: Western Outcrops-Walls...relationships 56 11. Geological map of the Esha Ness District 58 12. Geological map of Foula 59 13. Geological...Geological 111:ip of the Old Red Sandstone of south-east Shetland (with palaeocurrent directions) 63 |
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| landsliding. Field relationships at El Cerrito Quarry in the eastern San Francisco Bay area suggest that...with jadeite-glaucophane-lawsonite above lawsonite-albite assemblages. This zone has a strong seaward (SW)-vergent...mélanges. The narrow megathrust zone at El Cerrito Quarry, its uniform sense-of-shear, and the localization...subduction erosion (von Huene and Scholl 1991; Clift and Vannucchi 2004; Scholl and von Huene et al....prehnite-pumpellyite facies shale matrix mélange at El Cerrito Quarry in the eastern San Francisco Bay area (Figures |
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| Church-Hill Quarry, fropt which the road-metal is obtained, is jUl.'t outside Port !saac. The quarry by the...section in a newer quarry . Very fine exposures are also seen inland in a deep quarry a quarter of a mile...spheroids; the angular clinkers which occur in the quarry west of Trelights may be such, but the better sections...XXVIII. PLATlIIXXVII. Photograph of part of the clift'-face at Pentire, in St. Minver, shOwing several...some lavas of this type contained phenocrysts of albite. The rocks described by the Authors were of the |
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| Peninsula Phillip Island South Gippsland 6 5 6 7 8 Eastern Northern Central Western THE ZEOLITE REGIONS...Peter Hall 3. Phillip Island. By Jack Leach 4. South Gippsland. By John Haupt 5. Eastern Victoria. By...Bernard Day 7. Central Victoria. By Derrnot Henry 8. Western Victoria. By John Bosworth 9. Chemistry of Victorian...guises. Allan Pring, Curator of Minerals at the South Australian Museum, provided indexed X-ray diffraction...Association Museum of Victoria Nunawading and District Lapidary Club Inc. Tony Annear Tylden Quarries |
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| RHODESIA. 109 5. :The GEOLOGY Of PART of NORTH-WESTERN RHODESIA. B y ROBEaT MURRAY-HUGHES,F . G . S ....Basement-Schists and Gneiss. (b) Old Intrusive Gneiss and Granite and the associated Gabbro and Dolerite. (c) The...(d) The Kafue (Pretoria) System. IV. The Hook Granite ....' ....................... : ........... V....London on May 31, 2016 part 2-1 OF PART OF NORTH-WESTERN I~IIODESIA. 111 the first of which was to supply...the east by Nyasaland and :Portuguese East Africa, on the south by the Zambezi and Southern Rhodesia, and |
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| Street Auckland: 35 High Street SOUTH AFRICA Butterworth & Co (South Africa) Ltd Durban: 33/35 Beach Grove...scientists but mankind in general. Today in south-western England the geologist can examine the strata...established in 1949, it notified them all to the local authorities concerned as âSites of Special Scientific... 62, last line of description of Meldon Aplite Quarry: Read â1966: Proc. Geol. Ass. 77, 230); also bavenite...established in 1949, it notified them all to the local authorities concerned as âSites of Special Scientific |
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| 2019 Chapter 7 Patuki and Croisilles melanges in South Island, New Zealand: genesis related to Permian...and to the NE by the Croisilles Melange. In the south, the ophiolite passes into a dismembered incipient...Greenstone Melange) probably after the Triassic. The South Island melanges exemplify accretionary processes...1977), the Mesozoic palaeo-PaciïŹc Ocean in the western USA (e.g. Saleeby 1979, 1984), the Jurassic Tethyan...regional tectonic development. The melanges in South Island are speciïŹcally relevant to the Late PaleozoicâMesozoic |
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| Scotia and his enthusiasm was reciprocated by the local geologists. Particularly important was the influence...Remnants of this lithosphere are best preserved in western Newfoundland and are referred to as the Baie Verte...Tremadoc-Caradoc interval and was flanked by a southeast- or south-facing accretionary complex, the Annieopsquotch...terrane in eastern Ireland, immediately to the south of the Longford Down inlier, may be a displaced...Ganderia/Avaloniaand Laurentia, whereas the Lake District Arc is related to an earlier closure of the Tornquist |
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| Ma, ΔHf(t) of + 5.4 from the Tangtse gorge) and granite around Muglib (zircon UâPb age of 63 and 56 Ma...the NW Indian Transhimalaya and along with the western Kohistan batholith forms the KohistanâLadakh magmatic...Cretaceous to Eocene-aged magmatic arc is bounded to the south by the Indus Tsangpo suture zone (ITSZ) and to the...terrane in the north and the Indian plate in the south with KohistanâLadakh arc between them (Fig. 1)....part of the Asian continent and separated from the South Pamir terrane along the JurassicâEarly Cretaceous |
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| plates with the North American lithosphere in western California. These iconic oceanic trench deposits...Belt; and the Yager, Coastal, King Range, and False Cape terranes of the Coastal Belt. The King Range terrane...valid for central California and the yet farther south Nacimiento block. Abbreviations of locations: New...Gregorio-Hosgri, SGF; Mendocino, MF; and San Andreas, SAF. The Cape MendocinoâGarbervilleâCovelo area is Figure 2. ...northern California do 628 W. G. ERNST False Cape Terrane 40°30âN + 95? Kl am at h Mo un Co |
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| silver, and lead. Tombstone district, with lead-silver ores. Pearce district, with silver ores. Dragoon...Dragoon Mountains, Manzoro district. Dos Cabezas Mountains, Dos Cabezas and Teviston districts. Huachuca Mountains...County-Globe-Miami district, with ores of copper and silver. Dripping Spring Mountains, Barnes district, with ores...and silver. Payson district. Graham County-Galiuro Mountains, Rattlesnake district. Pifialeno Mountains...County-Clifton-Morenci district, with ores of copper and silver. Maricopa County-Vulture district, with lead and |
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| Neoproterozoic (ca. 620â605 Ma) magmatism is a local representative of regional arc-related tectonothermal...that continental tholeiites were emplaced in a local sinistral transtensional basin within the arc along...kinematic reversal and the cessation of magmatism is a local expression of the NeoproterozoicâEarly Paleozoic...evolution of the San Andreas Fault system in the western United States. © 2006 Elsevier B.V. All rights...northern margin of West Gondwana (Amazonia and West Africa cratons) produced voluminous arc-related magmatism |
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| . . . . . . . . . . . . . 4.3.5 National and âLocal Geoparksâ . . . . . . . . . . . . . . . . . . ....Fig. 1.2 HMS Beagle on the Strait of Magellan, South America (from the âJournalâ) 1 IntroductionâSetting...from quarrying of the Cheesewring granite tor in Cornwall, south-western Britain in the 1870s (Dunkin 1870)...1 The Cheesewring, a natural granite tor saved from quarrying by a local campaign supported in the scientiïŹc...climbersâespecially if they purchase supplies and services from local suppliers. It is in this context that the term âgeotourismâ |
 | Hawke, Margaret L., Meffre, Sebastien, Stein, Holly, Hilliard, Paul, Large, Ross, Gemmell, J. Bruce (2015) Geochronology of the DeGrussa volcanic-hosted massive sulphide deposit and associated mineralisation of the Yerrida, Bryah and Padbury Basins, Western Australia. Precambrian Research, 267. 250-284 doi:10.1016/j.precamres.2015.06.011 | Journal (article/letter/editorial) |
| mineralisation of the Yerrida, Bryah and Padbury Basins, Western Australia Margaret L. Hawke a,â , Sebastien Meffre...eastern part of the Capricorn Orogen of central Western Australia (Fig. 1). The DeGrussa deposit was discovered...constraining district exploration models. 2. Regional geological setting The Capricorn Orogen of Western Australia... 1800 Ma, Pirajno and Occhipinti, 2000) in the south-east (Figs. 1 and 2). The Yerrida, Bryah and Padbury...Metamorphics overlie the Halfway Gneiss in the south of the Gascoyne Province, and contain detrital zircons |
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| platelets existed, as necessary to account for the western Australian 4.2â4.4 Ga detrital zircons derived...in the presence of minor H2O and of CO2, and of granite, anhydrous and in the presence of minor and excess...solidus of basalt lies ⌠200 °C above that of wet granite (Hill and Boettcher, 1970; Poli and Schmidt, 1995;...presence of water-laid metasedimentary rocks in western Greenland dictates that portions of the Earth's...The disaggregated, smallscale fabrics of ancient graniteâgreenstone belts and spatially associated tonalitic |
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| Sandsting granite. The Muckle Roe and Ronas Hill granites may be related to the Sandsting granite but they...granites, and a suite of lamprophyres. The Spiggie granite and the lamprophyres are unconfonnably covered...metamorphic rocks along part of the coast to the south of Lerwick are separated from the East Mainland...ROCKS 97 I 1' w Sara Vord SKAW GRANITE T I STAVA NESS GRANITE (GRAVEN COMPLEX) HUCKLE ROE W intrusives...west UNMNGSBURGH -1 of Walls Boundary Fault GRANITE East Mainlad Succcrsion 60' N- Lmnasting Succ |
 | Chi, Guoxiang, Ashton, Kenneth, Deng, Teng, Xu, Deru, Li, Zenghua, Song, Hao, Liang, Rong, Kennicott, Jacklyn (2020) Comparison of granite-related uranium deposits in the Beaverlodge district (Canada) and South China â A common control of mineralization by coupled shallow and deep-seated geologic processes in an extensional setting. Ore Geology Reviews, 117. 103319 doi:10.1016/j.oregeorev.2020.103319 | Journal (article/letter/editorial) |
| Comparison of granite-related uranium deposits in the Beaverlodge district (Canada) and South China â a common...Comparison of granite-related uranium deposits in the Beaverlodge district (Canada) and South China â a common... Comparison of granite-related uranium deposits in the Beaverlodge district (Canada) and South China â a common...Beaverlodge district in Canada and the Mesozoic granite-related uranium deposits in South China. Both...mineralization in the Beaverlodge district occurs in quartz â carbonate +/- albite veins and breccias developed |
 | Bast, R., Scherer, E. E., Mezger, K., Austrheim, H., Ludwig, T., Marschall, H. R., Putnis, A., Löwen, K. (2014) Boron isotopes in tourmaline as a tracer of metasomatic processes in the Bamble sector of Southern Norway. Contributions to Mineralogy and Petrology, 168 (4) doi:10.1007/s00410-014-1069-4 | Journal (article/letter/editorial) |
| scapolitization and albitization on a regional scale and the local deposition of FeâTi oxides. Typical secondary mineral...apatite + amphibole + phlogopite + tourmaline, or albite + epidote + calcite + chlorite + white mica, indicating...marialitic scapolite, or transformed to almost pure albite on a regional scale. Veins and pegmatites represent...particularly tourmaline associated with scapolite or albite, are used as tracers to identify the fluid sources...andesites, and rhyolites; ca. 50â500 ”g/g, e.g., Clift et al. 2003; Tonarini et al. 2003; Agostini et al |
