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All who were involved in the preparation of the new bedrock map, particularly those responsible for the...understanding and portrayal of the geology. Although the new map is very different from Emerson's in many aspects...1984, Lithotectonic assemblages as portrayed on the new bedrock geologic map of Massachusetts: American Journal...Gneiss and schist near New Bedford (Zgs)................... Biotite gneiss near New Bedford (Zgn) ................. 40 Regional relations in southeastern New England .................... 42 Quartzitic assemblage |
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Department, 110 S. Madison St., Adrian, Michigan 49221, USA ABSTRACT Pegmatites containing rare elements can...family and granite tectonic type were re-examined using a large data set of published granite compositions...regard to the orogenic settings of the source granite origin. Pearce trace-element discrimination diagrams...diagrams for these granites suggest that LCT granite-pegmatite systems originate in orogenic and perhaps...in the granite from each tectonic setting are reflected in the pegmatite mineralogy. Granite that is |
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Gold deposits of the West Springs area, Union County, South Carolina Dennis J. LaPoint................onto Quarry Road. Go 1.0 miles (8.7) and turn left into STOP 1 (Vulcan Materials Pacolet Quarry). Turn...Turn right out of quarry and go 1.0 (9.7) miles to US 176. Turn left onto US 176. Go 8.1 (17.8) miles and...walk west about 100 m into old quarry STOP 2 (Hyder Bald Rock Quarry). Drive 0.4 (28.5) back out and...time of emplacement of the Pacolet granite. David Cosh the quarry foreman suggested that the frequency |
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Argillite__________________________________________ Muscovite schist___________________________________ Qua...Yorkville Quartz Monzonite________________________ Unnamed granites _____ ------______________________ Mafic...Gneiss_________________________________ Biotite granite gneiss_______________________________ Intrusive...Monzonite_______________________ Muscovite pegmatite_______________________________ Unnamed granites____________...Whiteside Granite_________________________________ Muscovite-perthite pegmatite_______________________ Rocks |
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............................................. Unnamed lesser dislocations..............................showing major structural features in southeastern New England.. 3. Photomicrographs showing mylonitic fabrics...zone extending more than 200 km across southeastern New England, their recognition is obscured by an extensive...geologic evidence along a 15km reach in northern Essex County; southwest of Lowell it is expressed as a profound...few diagnostic fossils discovered in this part of New England. While radiometric dates have contributed |
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is an essential part of the new geologic map of North Carolina. The new geologic map and this explanatory...Hornblende gneiss Granite gneisses Precambrian ( ?) Unnamed granite gneiss Granite gneiss complex Henderson...Henderson granite gneiss Cranberry granite gneiss Blowing Rock gneiss Max Patch granite gneiss Beech granite...igneous rocks Paleozoic (?) Dunite Granite Syenite Mount Airy granite Diorite-gabbro Paleozoic Toluca quartz...monzonite Cherryville quartz monzonite Whiteside granite Alaskite 10 11 12 12 12 12 12 12 13 14 15 15 15 |
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and low grade metamorphic rocks. Late Paleozoic granite have intrudes these rocks. The bounding fault zones...fault zone both are cut by the Late Paleozoic granite intrusions. The Late Paleozoic granites are synkinematic...intruded by pegmatites and by at least two types of granite. The schists and gneisses of the Raleigh terrane...augen-biotite gneiss (abg), sillimanite-muscovite schist (ms), biotite-muscovite schist (ps), and FIGURE 1A. (Opposite...fault zone - MFZ, Nutbush Creek fault zone - NFZ. Granite plutons: Alberta pluton - A, Buggs Island pluton |
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tedby Watson (1910), ite surrounded amphibole granite, quartz syenite, and quartz monButler and Ragland...zationin the South- two textural varieties of granite are believed to be east and to presentevidenceconcerningthe...foundin the finer grained,molybdenite-bearing granite to the silicateassemblage in the molybdenite-c...molybdenum-bearing, fine-grained • 700 granite with unaltered,coarsergrained granite of the ..•' llO kb sameage indicatesthat...of the expectationthat the residualfluid of a granite magma K•O-CaO-AI=O•-SiO=-H=O from Johannes and |
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to continue the compilation of geologic names as new names or re.. visions of old names appeared in the...pertinent geologic publications for preparation of a new lexicon. After the review had been brought up to...publish quickly some of the essential data concerning new names that had been published since 1935, the cutoff...Wilmarth Lexicon. Bulletin 1056-A listed about 5,000 new names introduced for use in North America, the Pacific...given in the Wilmarth Lexicon has been replaced by a new usage, which is given in the present lexicon. Thus |
| Henley, H. F., Brown, R. E., Brownlow, J. W., Barnes, R. G., Stroud, W. J. (2001) Grafton-Maclean Metallogenic Map (SH/56-6, SH/56-7) Metallogenic Study and Mineral Deposit Data Sheets. Geological Survey of New South Wales | Report (issue) |
2001 J.N. CRAMSIE, DIRECTOR GEOLOGICAL SURVEY OF NEW SOUTH WALES i Original typing: Review: Cartography:...(see Photograph 12). Insets are: cut blue and gold New England sapphires (upper left); molybdenite and quartz...Survey of New South Wales, Sydney, xii + 292 pp, with CD-ROM. Edited by: R.A. Facer © New South Wales...northeastern New South Wales and extends over a significantly mineralised portion of the southern New England...covers a large part of the Clarence-Moreton Basin in New South Wales, and includes parts of large Tertiary |
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survey organisations to provide modern, up-to-date, new-generation geological and geophysical maps and information...knowledge in 1993, a platform upon which to build new ideas and interpretations, just as its predecessor...SA geology was when it was released in 1969. The new volume has been written and compiled by the many...associated syntectonic granitoids ............43 Unnamed calc-alkaline volcanics ...................................................44 Glenloth Granite ...................................................... |
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completely revised and updated with a wealth of new information and features. The second edition of the...alphabetical entries, 1000 of which are entirely new e 240 new color photographs, mostly of large specimens...specimens, as well as 104 black-and-white photographs 45 new crystal drawings of rare species the most complete...distinguished group of authors in the light of new research and important new technological developments. The second...Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For |
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completely revised and updated with a wealth of new information and features. The second edition of the...alphabetical entries, 1000 of which are entirely new • 240 new color photographs, mostly of large specimens...as well as 104 black-and-white photographs • 45 new crystal drawings of rare species • the most complete...distinguished group of authors in the light of new research and important new technological developments. The second...Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere |
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Map of Malaya and Singapore showing the main granite bodies 2 2 Curves illustrating the effect on apparent...with time for a sample from the Bukit Lunchoo granite 19 I 11 Isochron diagram for late Triassic granites...Isochron diagram for samples of the Gunong Benom Granite 21 J 4 Geological sketch map of north-central Malaya...diagram for samples from the Gunong Bujang 1v1elaka Granite 36 24 Geological sketch map of part of north-west...26 Isochron diagram for samples from the Kulim Granite 40 27 Isochron diagram for samples from Penang |
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R•CEN? publications(Richards et al., 1966; Black Granite (264 m.y.). Field evidence suggestsa and Richards...Black et al., 1972) range of ages among the other granite types,but have provided a reasonableintroduction...Featherbed Volcanics. associatedElizabeth Creek Granite, which Blake and regionalasymmetry in the distribution...igneousrocksalreadycited, Branch classedthe Elizabeth Creek Granite and the uponthe Atherton1:250,000sheetarea (lat...felsicmagrnas occurred episodically for about50 m.y. granite,within the surrounding There could have been a |
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the Lachlan Orogen in Victoria and New South Wales (NSW) and the New CONTACT K. Waltenberg kathryn.waltenberg@ga...Orogen; Lu–Hf isotopes; oxygen isotopes; zircon; New South Wales; Macquarie Arc; Mount Wright Arc; Warratta...Orogen oPerm sic Trias s basin Thomson Orogen New England Orogen Figure 2 HT Delamerian Orogen Lachlan...crust before crystallising in the upper crust. Granite formation is a chemically and isotopically complex...processes that we can physically interact with is the granite itself. Granites should have isotopic signatures |
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the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...Missouri--1400 Independence Rd. FAIRBANKS, Alaska--New Federal Building, 101 Twelfth Ave. The Conterminous...and remotesensing field investigations to obtain new data; and (3) interpretations and syntheses of data...access to much of the Ajo quadrangle, new exploration techniques and new deposit models have not been tested...and production for most mining properties in Pima County are given by Keith (1974). Present Study This |
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placers were not exhausted by the earlier mining and new deposits have been discovered; but production from...monazite derived from an earlier pre-Cambrian granite, was distributed. These ancient fluviatile deposits...are more speculative than factual. The terms "granite" and "granitic intrusive" "are used in this paper...and composition. These terms therefore include granite, monzogranite, quartz monzonite, granodiorite,...large pavement is the outcrop of granite on which is located the quarry at Mt. Airy, 83° 82° Lincolntbh |
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continents as well as on the ocean floor, A-type granite is likely to come from mantle-derived transitional... Contrary to the more common types of granite, A-type granite is, therefore, not typical of Earth and...Elsevier B.V. All rights reserved. Keywords: A-type granite; Alkaline; Anorogenic; Mantle; Crust; Ring complex;...crust is granitic in composition (Wedepohl, 1991). Granite occurs also, 2 B. Bonin / Lithos 97 (2007) 1–29...Overviews of the conflicting ideas on the origin of granite and their evolution in time can be found in Raguin |
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Geology of the Composite Avalon Terrane of Southern New England Edited by Anthony D. Socci James W. Skehan... Geology of the Composite A valon Terrane of Southern New England Edited by Anthony D. Socci* Department of...Geology of the composite Avalon Terrane of southern New England / edited by Anthony D. Socci, James W. Skehan... Stratigraphic—Paleozoic—Congresses. 2. Geology—New England—Congresses. I. Socci, A. D. (Anthony D.)...Pittsburgh, Pa.) V. Title: Avalon Terrane of southern New England. VI. Series: Special papers (Geological Society |
| Reid, A., Smith, R. N., Baker, T., Jagodzinski, E. A., Selby, D., Gregory, C. J., Skirrow, R. G. (2013) Re-Os DATING OF MOLYBDENITE WITHIN HEMATITE BRECCIAS FROM THE VULCAN Cu-Au PROSPECT, OLYMPIC Cu-Au PROVINCE, SOUTH AUSTRALIA. Economic Geology, 108 (4) 883-894 doi:10.2113/econgeo.108.4.883 | Journal (article/letter/editorial) |
breccias. Molybdenite within hematite-rich brecciated granite samples has been dated via the Re-Os method and...rite–altered and brecciated granite was emplaced at 1743 ± 7 Ma. The new data from Vulcan confirm that...Sleaford Complex Mesoarchean, c.3150 Ma 0 Cooyerdoo Granite and associated gneisses 300000 50 100km GDA...constrained the age of the host 1595 ± 11 Ma Roxby Downs Granite (Johnson, 1993), and fragmented felsic dikes within...deposit on the eastern Gawler craton. Here, we report new geochronology from a recently discovered hematite |
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SURVEY OF NEW SOUTH WALES EXPLORATION DATA PACKAGE WARWICK-TWEED HEADS 1:250 000 SHEET AREA (New South Wales...from error or omission. Therefore, the State of New South Wales and its employees disclaim liability... Sydney. GS2001/087 1 VOLUME 1 SUMMARY The New South Wales portion of the WarwickTweed Heads 1:250...northeastern New South Wales and extends over a significantly mineralised portion of the southern New England...metahydrothermal (eg the Lunatic gold-antimony field), granite-related, and hybrid metahydrothermal-granitic mineralisation |
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Granodiorite 5 Keller Butte Granite 7 Granite porphyry 9 Garnet -bearing granite 10 Younger intrusive rocks...Elbow pluton 13 Joe Moses Creek stock 18 Seriate granite 19 Geochemistry 21 Analytical procedures 21 Major-element...Keller Butte Granite from Peter Dan Creek 9 11. Microcline megacrysts in Keller Butte Granite from podlike...Keller Butte Granite from northeast shore of Buffalo Lake 11 13. Blocks of Keller Butte Granite from intrusive...intrusive breccia near Peter Dan Creek 12 14. Granite porphyry containing microcline megacrysts and oblate |
| Cross, A. J., Purdy, D. J., Champion, D. C., Brown, D. D., Siégel, C., Armstrong, R. A. (2018) Insights into the evolution of the Thomson Orogen from geochronology, geochemistry, and zircon isotopic studies of magmatic rocks. Australian Journal of Earth Sciences, 65 (7) 987-1008 doi:10.1080/08120099.2018.1515791 | Journal (article/letter/editorial) |
Fergusson, Crawford, & Withnall, 2011), northwestern New South Wales (Greenfield, Musgrave, Bruce, Gilmore...with (1) new SHRIMP U–Pb geochronology from other basement cores and remote outcrops, (2) new zircon Hf–O... The Delamerian, Lachlan, Thomson, Mossman, and New England orogens, which comprise the Tasmanides, are...Arrowsmith Volcanics in the Koonenberry Belt of western New South Wales (Delamerian Orogen) (Crawford, Stevens...Thomson Orogen in the Koonenberry Belt of western New South Wales (Mount Wright Arc) and Stavely region |
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GEOLOGICAL SURVEY OF NEW SOUTH WALES EXPLORATION DATA PACKAGE Quartz-jasper and quartz-sulphide veinlets...Drake. WARWICK-TWEED HEADS 1:250 000 SHEET AREA (New South Wales Portion) VOLUME 2 MINERAL OCCURRENCE...from error or omission. Therefore, the State of New South Wales and its employees disclaim liability... GS2001/087 -1- VOLUME 2 CONTENTS GEOLOGICAL SURVEY OF NEW SOUTH WALES .......................................(see list below) The letter symbol is unique for New England Fold Belt metallogenic sheets. The general |