 | | Journal (article/letter/editorial) | | MetallogenicEpochsand MetallogenicProvincesof the Estrie-Beauce Region,SouthernQuebecAppalachians* MICHEL...studies. 0361-0128/94/1611/1322-3954.00 1322 ESTRIE-BEAUCEREGION, QUEBEC:EPOCHS& PROVINCES The great...great variety of mineraldeposittypesin the Estrie-Beauceregion becameapparentto prospectorsin colonialtimesof...generaldeclinein mineral explorationthroughoutthe Estrie-Beauceregion. This decline was not due to the exhaustion...stimulateexplorationactivityandevaluatethe mineralpotentialof the Estrie-Beauce region, the MinistArede l'Energie et des |  | | Report (issue) | | Geological Survey of Canada Miscellaneous Report 46 ROCKS AND MINERALS FOR THE COLLECTOR Estrie and Gaspesie... © Minister of Supply and Services Canada 1992 Available in Canada through authorized bookstore agents...bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada K1A OS9 and from Geological...Geological Survey of Canada offices: 601 Booth Street Ottawa, Canada KlA OE8 3303-33rd Street N.W., Calgary...available for reference in public libraries across Canada Cat. No. M41-8/46E ISBN 0-660-14391-7 Price subject |  | | Journal (article/letter/editorial) | | Appalachian uplift lies wholly to the south of the Saint Lawrence river. It comprises two somewhat distinct...mountainous region of the Gaspe peninsula along the lower Saint Lawrence and the hilly country from the Chaudiere...surveyed until some thirty years after the cession of Canada to England. I t was then divided into townships...remote from the Saint Lawrence valley. The principal rivers, such as the Yamaska, Saint Francis, Nicolet...angles to their course and drain the region into the Saint Lawrence. The tributaries of these rivers take their |  | | Journal (article/letter/editorial) | | Complex Small tholeiitic intrusions Ring Eucrite Quartz-bearing Eucrite Stippling, indicating clouding...intrusions of basic magma. The older, the Ring Eucrite (Weedon, 1961) is the most southerly and most westerly...contact zone is rich in hydrous minerals and is quartz-bearing. The interrelationships of the individual...contact with the coarsegrained Ghrunnda Eucrite (Weedon, 1961). The eastern contact is generally more regular...these felspars which appear to be of magmatic origin (Le Bas, 1955) and are interpreted as phenocrysts. The |  | | Journal (article/letter/editorial) | | ..................................... The Mandy Mine ............................................ The...Northpines Pyrite Mine, Ontario ................................. The Eustis Mine, Quebec ....... : ...few examplesof ore bodiesof this generaltype in Canada were studied in the field and in the laboratory...Phantom Lake contained the following minerals: quartz, orthoclase, microcline, albite-oligoclase, hornblende...the granitesof the region. THE MANDY MINE. The Mandy Mine is situatedon a narrow point on the west |  | | Journal (article/letter/editorial) | | stages (Melnyk et al., 1994; Waterhouse, 1995; Weedon et al., 1999, 2004). It is now well accepted that...scitulus, 0.62 Myr; wheatleyensis, 0.86 Myr. Later, Weedon et al. (1999) used magnetic susceptibility measurements...autissiodorensis and elegans zones. In a more extensive study, Weedon et al. (2004) found good evidence for both precession...In the present study we build on the results of Weedon et al. (2004) in order to further refine the astronomical...cyclicity of the KCF, which was not considered by Weedon et al. (2004), with the goal of placing KCF cyclostratigraphy |  | | Journal (article/letter/editorial) | | common and may be co-existent with interstitial quartz. Epidote, chlorite and fibrous amphibole may occur...interpretation of age relationships in the Cuillin, Weedon (1961 and 1965) and Gibb (1965) have attached considerable...about 100 yd south of Sgurr Coire an Lochain (see Weedon 1965, p. 42, Fig. 1) and close to its inner concave...Loch Scavaig Zone of the Inner Layered Gabbro (Weedon 1961 p. 196). Both the veins and the neighbouring...(An62_78) of the Clouded Felspar Gabbros described by Weedon could post-date the emplacement of the Sgurr Dubh |  | | Report (issue) | | I. DREVER K. C. DUNHAM,R. N. THOMPSONa� D. S. WEEDON ITINERARY I. II. 111. IV. V. VI. Introduction...DREYER, K. C. DUNHAM, R. N. THOMPSON and D. S. WEEDON . I TfWOUCTION by G. M. BROW1 THE ISLE OF SKYE...reinvestigation in the 1940s, and later, with D. S. Weedon and other re earch tudcnts. of what Harker had...the Bcinn an Dubhaich granite with 'rhyolitic' quartz and feldspars indicative of a mag111atic origin...showed that the inversion temperature of the low-quartz, and G EO L O G Y OF T H E I S L E OF S K Y E |  | Moiroud, Mathieu, Martinez, Mathieu, Deconinck, Jean-François, Monna, Fabrice, Pellenard, Pierre, Riquier, Laurent, Company, Miguel (2012) High-resolution clay mineralogy as a proxy for orbital tuning: Example of the Hauterivian–Barremian transition in the Betic Cordillera (SE Spain) Sedimentary Geology, 282. 336-346 doi:10.1016/j.sedgeo.2012.10.004 | Journal (article/letter/editorial) | | Mathieu Moiroud a,⁎, Mathieu Martinez a, Jean-François Deconinck a, Fabrice Monna b, Pierre Pellenard...interpolation, and then detrended with a linear model (Weedon, 2003). Mineralogical data were transformed from...16000 A 18000 Illite (003) 3.33 Å 12000 (+ Quartz) Illite (001) 10 Å 10000 Kaolinite (001) 7.15...Illite (003) 3.33 Å Illite (001) 10 Å 16000 (+ Quartz) 14000 12000 Chlorite (002) 7.1 Å 10000 Illite...Chlorite (004) (002) 3.57 Å 3.54 Å 8000 6000 Quartz 4.26 Å Chlorite (001) 14 Å Kaolinite (001) Chlorite |  | | Journal (volume) | | Vermont Cover: Perspective block diagram of the Québec- Vermont Orogen (from Dóolan, 1989; see Doolan...oceanic domain from Eastern Townships Appalachians, Québec: Taconian versus Acadian tectonics...............Evolution and collage of the Saint-Daniel Mélange in the Dunnage zone of the Québec Appalachians.............ultramafiques du Complexe ophiolitique de Thetford Mines, Québec: modèle magmatique de Ia distribution des platinoIdes...from the hinterland of the Eastern Townships of Québec: the result of continental (A-type) subduction |  | | Journal (article/letter/editorial) | | from Coire Uaigneich, Isle of Skye, containing quartz paramorphs after tridymite. (With Plate XIII.)...rock, phenoerysts of tridymite, now inverted to quartz. In the Thulean Tertiary igneous province former...addition to phenocrysts of tridymite inverted to quartz, there is present in the groundmass of the unehilled...tridymite crystals, surrounded by a final stage of quartz and felspar which has crystallized with normal...fine-grained granophyre. 264 L.R. WAGER, D. S. WEEDON, AND E. A. VINCENT ON Small p l a t y phenocrysts |  | | Journal (article/letter/editorial) | | collection of nineteen boulders made by the late Gerard Weedon Butler, also from Betchworth. Since these notes...(7) made a general reference to the presence of quartz and green schist in the Chalk of the south-east...south-east of England. In 1850 (8) sandstone and quartz-rock were discovered at Houghton, Sussex, whilst in 1857...Mr. C. P. Chatwin. They were collected by Gerard Weedon Butler, and their provenance is beyond question...is manifest. Each rock consists essentially of quartz and felspar, with subsidiary amounts of mica and |  | Breward, N., Kemp, S.J., Ambrose, K., Powell, J.H., Morigi, A., Wagner, D. (2015) Anomalous enrichment of molybdenum and associated metals in Lower Jurassic (Lias Group) black shales of central England, as revealed by systematic geochemical surveys. Proceedings of the Geologists' Association, 126 (3) 346-366 doi:10.1016/j.pgeola.2015.03.007 | Journal (article/letter/editorial) | | 1986; Raiswell, 1988; Bottrell and Raiswell, 1989; Weedon, 1986; Smith, 1989; Hesselbo et al., 2004; Radley...and marine organic matter (Munnecke et al., 2001; Weedon, 1986; Smith, 1989; Hesselbo et al., 2004; Radley...(precession) to 40-kyr (obliquity) harmonics (Weedon et al., 1999; Paul et al., 2008; Rhul et al., 2010)...mechanism such as high frequency climate control (Weedon, 1986; Smith, 1989; Rhul et al., 2010). In this...the input of diffractometer scan parameters and a quartz intensity factor (instrumental conditions), and |  | | Journal (article/letter/editorial) | | John's,Newfoundland AIC 5T7, Canada AND R. I. THORPE GeologicalSurveyof Canada,601 BoothStreet,Ottawa, Ontario...Ontario KIA OES,Canada Abstract The NewfoundlandCentral mobilebelt recordsthe Early Paleozoicbirth,...SpringPond Formation.Massivesulfidedeposits:1, Victoria mine; 2, Jacks Pond; 3, Tulks East; 4, Tulks Hill; 5...of canism(Fig. 5). The relatively low-gradeEast mine 459 _ 18 m.y. (Rb/Sr whole rock) and 449 _ 20 depositconsists...Volcanogenic mineralization hasbeenrecognized the mine area, and the lack of facing criteria in the in |  | | Report (issue) | | where a section of the clay is to be seen; below Weedon Beck there is none, above it ther-e are a few....the Ma1·lstone is seen in this valley, but above Weedon Beek the bou11da1·y is well defined by a line of...Nen must fall consider·ably from its source to Weedon Beck ; but, besides this easte1·ly di1), it is...Lower Lias and the Marlstone, nort11 and east of Weedon, is . uncc1·tain, the gTound being tl1iekly covered...exposed in the deep ct1tti11gs of the railway at Weedon, but as it is seen in no othe1.. place, these lines |  | | Journal (article/letter/editorial) | | (Carr, 1952, unpublished Ph.D. thesis, Oxford ; Weedon, 1961 and 1965; and Zinovieff, 1957, unpublished...intrusive rocks of the southern and western Cuillin (Weedon, 1961; Hutchison, 1966), and the Layered Allivalite...serpentinized and often accompanied by interstitial quartz. Feldspar ranges from An57 in the contact rocks...pegmatitic textured bands often contain interstitial quartz and serpentinized olivine, the latter imparting..." Cuillin Layered Complex " is preferred (D. S. Weedon, personal communication) to the previously adopted |  | | Journal (article/letter/editorial) | | g., Schwarzacher, 1991; Kominz and Bond, 1990; Weedon, 1989, 1991; Park and Herbert, 1987). Multiple...analysis of Mesozoic successions (Weedon and Jenkyns, 1990, 1999; Weedon and Read, 1995). 4. Cycles in...indication that regular (in time) cycles were present (Weedon, 1993). In outcrop, several scales of coarsening-up...and by other causes (Walkden and Walkden, 1990; Weedon, 1993). The spectral peaks found by spectral analysis...is gratefully appreciated. Thanks also to Graham Weedon for the use of his spectral analysis program, for |  | | Journal (article/letter/editorial) | | drift-free area further south, two large outliers (at Weedon and Burston) are recognized. Evidence for downcutting...Littlecote [SP 830 2431, Burston [SP 835 185] and Weedon [SP 820182] (Fig. I). Despite such an extensive...Gault is very sandy and contains small (up to 6 mm) quartz pebbles. In the stream bed [SP 8750 2102 to 88002115]...South-west of Aston Abbots are two outliers of Gault at Weedon [SP 820182] and Burston [SP 835 187], first recognized...Bristow (1963). At one point [SP 81881824] (30) at Weedon, spoil of grey shaly clay with scattered phosphatic |  | | Journal (article/letter/editorial) | | km west-northwest of Beinn an Dubhaich. WAGER, WEEDON and VIXENT (1953) have shown that the chemical...granophyre originated by partial re-fusion of a quartz-rich material, perhaps the Torridonian Sandstone...it contains what appear to be corroded original quartz grains. The other two specimens do not exhibit...from the quartz and feldspar ot ;L Tert;ary granite. Geol. Mag. 91, 61-72. WAGER L. R., WEEDON D. S. and...from Coire Uaigneich, Isle of Skye, containing quartz paramorphs after tridymit,e. Min. &fag. 30, 26 |  | | Report (chapter) | | cyclicity or eustasy (e.g. Bloemendal & deMenocal 1989; Weedon et al. 1999) because changes in climate cause changes...associated with the relatively clean carbonate and quartz-dominated sands along the eastern and southern...marine sediments (e.g. Bloemendal & deMenocal 1989; Weedon et al. 1999). As such, the cyclostratigraphy recorded...time scales (Mead et al. 1986; Hartl et al. 1995; Weedon et al. 1997; Shackleton et al. 1999b; Crick et...comparison of the Frasnian from Belgium and Alberta, Canada. Sedimentary Geology, 214, 3 –18. Dettinger, M |  | | Journal (article/letter/editorial) | | glass was detected. Apart from a few xenocrysts of quartz detached from the sediment, no crystals other than...corresponds with that of the Gars-bheinn peridotite (Weedon 1960) quoted in column D, Table V. The relatively...Analysts: E. A. Vincent and R. Hall. Quoted from Weedon 1960. D. Olivine-rich portion, centre of banded...Analysts: E. A. Vincent and R. Hall. Quoted from Weedon 1960. composition of the normative plagioclase...Gars-bheinn peridotite is 10 per cent less calcic (Weedon 1960), than the cores of the plagioclase in Sill |  | | Journal (article/letter/editorial) | | felsile, andesinite quartz-alkali feldsparphyric felsite/microgranite/granophyre quartz-alkali (eldsparphyric... peridotite, tuff. trachyte dolerites dolerite quartz (tridymite)-alkali feldspar-plagiophyric felsite/...the researches of Carr (1952), Zinovieff (1958), Weedon (1960; 1961; 1965) and Hutchison (1964; 1966; 1968)...complex is the Gars-bheinn layered ultrabasic sill (Weedon, 1960). Minor intrusions include at least five...xenocrysts of plagioclase, alkali feldspar and quartz. Since they also showed thatmarscoite from Marsco |  | | Journal (article/letter/editorial) | | colour of black anal grey quartz from Yellowknife, Northwest Territories' Jl6 Canada. 872 B r a d l e yO,...(Frondel,Cuttitta). . . 339,1019 sions in berYl and quartz from Block, S. with Evans, II. T.' Jr. pegmatites...W e e k s ) . . . . . Colour of black and grey quartz from Yellowknife, Northwest Territories, Cauada...baven988 ite problem. Fluid inclusions in beryl and quartz from pegmatites of Middletown, Conn. (Cameron,...containing quartz (Kelly, Silver) (Book Review) 878 paramorphs after tridymite. (Wager, Weedon,Vincent) |  | | Report (chapter) | | thinning-upwards and thickening-upwards sefraction by quartz. Minor components include quences over a few metres...(terrige- assessment of sequences and their nature (Weedon nous, darker colour) than hemipelagic (biogenic-...marked than found including traces of clays and fine quartz. previously. The data also show a relatively good...argiles de sediments marins du Quaternaire recent dans le Golfe d'Aden et la Mer d'Oman. Oceanologica Acta...1981. Distribution and origin of clayminerals and quartz in surface sediments of the Arabian Sea. Journal |  | | Journal (article/letter/editorial) | | Geological Sciences, University of Regina, Regina, Canada, S4S oA2 SUMMARY.[k minor picritic body at Suisnish...by Gibb (I969) and may arise by autobrecciation (Weedon, I965). The reverse feature, masses of mafic-rich...3). Microscopically, the siltstones consist of quartz grains with minor alkali feldspar and biotite in...in a mud matrix with rare composite grains of quartz and mud pellets. The rocks are generally well layered...recrystallized and is micaceous. The subangular quartz grains are typically clastic but the presence of |
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