 | | Journal (article/letter/editorial) | | MESOZOIC ALKALINE MAFIC DYKES, SOUTHWESTERN NOVA SCOTIA, CANADA, AND THEIR BEARING ON TRIASSIC–JURASSIC MAGMATISM...Geology, Saint Mary’s University, Halifax, Nova Scotia B3H 3C3, Canada PETER H. REYNOLDS Department of Earth...Sciences, Dalhousie University, Halifax, Nova Scotia B3H 3J5, Canada ABSTRACT Dykes of lamprophyre and alkaline...Carboniferous Wedgeport Pluton near Plymouth, southwestern Nova Scotia. 40Ar/39Ar geochronology yielded...Minerals present in the dykes include olivine (Fo83), augite with a rim of titanaugite, kaersutite and titaniferous |  | | Journal (article/letter/editorial) | | mineralogy (kaersutite and biotite phenocrysts; Ti-augite and olivine in groundmass), alkaline major element...groundmass in the dyke consists of 53% plagioclase, 18% augite, 12% biotite, 4% olivine (altered), 11% magnetite...as determined from electron microprobe analysis. Augite occurs as fresh, pale pinkish-brown, elongate prisms...groundmass. The white areas are plagioclase microlites. Augite (A) forms pale pinkish microlites with prismatic...Ma reported for lamprophyre dykes near Plymouth, Nova Scotia (Pe-Piper and Reynolds 2000). These ages |  | | Journal (article/letter/editorial) | | J. W. Jackson, Quartz Conglomerate, Staffs, 59. Augite, Stromboli, S. Kozu & H. S. Washington, 235. Australia...Antarctic, etc., 234. Bailey, E. B., Drake's Island, Plymouth, 262 ; Iceland, a Steppingstone, 466. T. E. G...deposits in Montana, 280. Bituminous Sands, Alberta, Canada, H. Ellis, 142. Bolton, H., Cockroaches, 329. Bonney...196, 246. Borings, Cotefield Close and Sheraton, Co. Durham, D. Woolacott, 163. Bournemouth, British...Campbell, J. M., Minerals of Tavov, Burma, 148. Canada, Department of Minos, Ottawa, 85, 133, 186 ; Mineral |  | | Report (volume) | | Bulletin, Vol. II, No. 4, 1898. Berkeley, Cal. Canada, Geological and Natural History Survey: Report...Report, new ser., Vol. IX, 1898. Montreal, Quebec. Canada, Royal Society: Proceedings and Transactions, 2d...XLVIII, Part I> 1898. Newcastle-upon-Tyne, England. Nova Scotian Institute of Science: Proceedings and Transactions...Transactions, Vol. II, Part 4, 1898. Halifax, Nova Scotia. Oberlin College, Laboratories: Bulletin, Nos...the physiography and geology of Kings County, Nova Scotia. Ottawa Nat., vol. xii, pp. 149-150,1898. Gives |  | | Report (volume) | | Seismographic Stations: Bulletin, nos. 5-8. Berkeley^ Cal. Canada, Department of Mines, Mines Branch: Summary Report...1913; and miscellaneous publications. Ottawa, Out. Canada, Geological Survey: Memoirs, nos. 19, 20, 22, 25...Mining Journal, vol. 35. Toronto and Montreal, Canada. 5 (D BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY...Canadian Record of Science, vol. 9, no. 6. Montreal, Canada. Carnegie Institution of Washington: Yearbook no...Geological Congress: Compte-rendu de la XII0 Session, Canada. 1913. Iowa Academy of Sciences: Proceedings, vols |  | | Journal (article/letter/editorial) | | CANADA &AUJUK tor \ l ' nm / m m J Hellln JWAXTOK y S*«HM GRAND, ISLE: L Jirrwowwux/ lot* llMt...antique quar ry in the world is in Rochester (Windsor Co.), Vermont. Min eral products mined "as is" for...granite is still quarried in the Barre area (Wind sor Co.), where a fine granite museum is also maintained... jasper was mined at the Parrot mine (Chittenden Co.) on a small scale for use in colorful decorator...abundance from a road cut near Montpelier (Washington Co.). This occurrence, as with many others, is no longer |  | | Catalog/List | | of pearl and dog-tooth spar. 40. L. Nova Scotia. 42. L. Nova do. 44. L. do. Compact. Earthy. Primiatic...Saxony. Sp, 2. Compactly Coarsely fibrous. Scotia. 43. L. gypsum. Stellated 41. L. Matlock, England...and massive, with sulphuret of copper. 218. L. Plymouth, Vermont. 219. L. 220. L. Massive. do. Unknown...Cube-' Iron. In minute cubical crystals; of a green co- lor; upon quartz. In minute cubical 286. L Cornwall...(jENus VIII. Sp. 1. Paratoinous Augite-Spar. MgiteSpar. Triv. Augite, or Pyroxene. 165. L. -16G. |  | | Report (issue) | | ______________________________________________ Augite basalts (breccia, tuffs, and lavas) __ __ ____...______________________________________________ _ Plymouth mine ________________________________________...rocks of the Sierra Nevada_ 8 4. A, Ribbon quartz, Plymouth mine; B, Inclusions Of greenstone and black slate...features of typical quartz vein inclosed in slate, Plymouth mine_ _ _ _ _ _ _ __ _ _ _ 7. A, Ankerite metasome..._ 9. Geologic map of the area surrounding the Plymouth mine _________________________________________ |  | | Journal (article/letter/editorial) | | experiments led to the formation of the BritishPotash Co., Ltd., for the commercial recovery of potash from...similar types have been described fully in the Plymouth Survey Memoir. For this reason, and aleo in the...fairly large, fresh, pale puce-coloured crystals of augite, which are irregular in shape, slightly pleochroic...lath-shaped felspars. In most of the diabases the augite is only recognizable under a £ in. objective. They...lath-shaped ; in the ophitic diabases they penetrate the augite, and in the non-ophitic types DECADE VI.—VOL. VI |  | | Report (volume) | | .............................. 20 * 20 20 21 Canada.........................'...................................................................... Canada................................................................................................ Canada............................................................................................. Nova Scotia................................................36 36 37 37 37 12 CLASSIFIED KEY TO INDEX. Canada Continued. Page. Ontario...................... |  | | Report (volume) | | Bulletin, Vol. I, Nos. 9-11. Berk. ; eley, Cal. : . Canada, Geological and Natural History Survey: Reports...Montreal, Canada. Canada, Royal Society: Proceedings and Transactions, Vol. XII. Montreal, Canada. Canadian...N. Y. Nova Scotian Institute of Science: Proceedings and Transactions, Vol. VIII. Halifax, Nova Scotia................................................. Canada................................................................................................ Canada .............................................. |  | | Report (issue) | | and graywacke of the ~ariposa Formation between Plymouth and Amador City -----------------------------...dark-colored outcrops. Locally, outcrops of structureless augite-feldspar porphyry several meters in maximum dimension...Rabbit Flat. It consists of coarsely ·porphyritic augite basalt breccia and massive flows or sills, as well...subrounded pebbles and boulders of coarsely porphyritic augite basalt. The clasts and matrix are generally similar...chemical analy~wo representative samples of massive augite porphyry (table 1). The composition of these samples |  | | Report (issue) | | 1—dc20 92-10862 CIP Cover photo: Photomicrograph of augite (yellow) surrounded by plagioclase (gray) in a...Mesozoic Igneous Provinces of New England and Atlantic Canada . J. Gregory McHone 1 2. Early Mesozoic Magmatism...Early Mesozoic North Mountain Basalts of Nova Scotia, Canada . J. Dostal and J. D. Greenough 10. Jurassic...occurred in southeastern Nova Scotia and the Northcumberland Straights of Atlantic Canada; they sug¬ gest that...Greenough provide evidence that the HTQ basalts of Nova Scotia (the North Mountain Basalt) was not contaminated |  | | Journal (article/letter/editorial) | | of basic composition. They have shown that the augite becomes replaced by secondary hornblende, which...structure could easily be pr oduced with anorthite and augite, and less easily with labradorite and augit e....produced, so far as I know, with oligoclase and augite. In th e granitic rocks of basic composition (i...gabbros is usually diallage j that of the dolerites, augite. Both forms disappear in the process of metamorphism...does the secondary hornblende bear to the original augite, so far as chemical composition is concerned? This |  | | Journal (article/letter/editorial) | | chloritic matter and containing broken fragments of augite, albitized feldspar and iron ore from the country...Nordstrdm, anal.) 7. Laumontite, Margaretville, Nova Scotia. Walker and Parsons (1922). (E. W. Todd' anal...Markovice, Bohemia. Kratochvil (1941). Devon WelI, New Plymouth, New Zealand. Hutton (1944). (F. T' Seelye, anal...C. O. (1944), Some igneous rocks from the New Plymouth area: Trons. Roy. Soe. N ew Z eal,anil,74, 125-153... L.,.rxo Pensows,A.L. (1922),The zeolitesof Nova Scotia: Unio. Toronto Studies,geotr. sa.,14, 13-73. |  | | Report (issue) | | 348. THE GEOLOGY r OF 'fHE COUN fRY AROUND PLYMOUTH & LISKEARD. BY W A. E. USSHER, F. G.S. WtTll... & A. K. JOHl)lSTON, LTD., 2, HODGES, Ji,IGGIS & Co., GRAFTON STREET, Du:&LIN, From any Agent for tl1e...find that the great. structural £eatu1�e i11 the Plymouth area, the :faulting that -dis1 llaces the Lower... . -·· GEOLOGY • OF THE . COUNTRY AROUND I PLYMOUTH AN·D LISKEARD. • CHAPTER I. INTRODUCTION. The...extending from Plymouth to Polperro is breached by the Tamar estuary, opening into Plymouth Sound opposite |  | | Report (issue) | | kaersutite(?), augite and olivine set in a groundmass of fine-grained labradorite, kaersutite, augite and analcime...with greenstone and amphibolite /GZpbf ezpbs Plymouth Formation (Late Proterozoic? and Cambrian)--GZpbs...quartzite correlated with Plymouth Formation dolostone at Plymouth Village in the Plymouth Quadrangle; GZpfq...the terms Tyson Formation, Hoosac Formation, and Plymouth Formation Rocks in the Ludlow area which lie between...of the early descriptions of these rocks in the Plymouth area immediately north of the Ludlow quadrangle |  | | Book (edition) | | Hornblendic or not 478 d. Leucite Rocks, with or without Augite 479 e. Soda-Lime-Feldspar and Mica Series 480 /...graduated In using it, press up between the edges ao and co arc attached. the edge of the crystal whose angle... np, by which the figure, it reads 45. parts ao, co, may be shortened so as to make them more convenient...is got rid of by reflection from the surface of Canada balsam (mn) along which the two pieces of calcite...in Java; in Genesee Co., N. Y., at Tuscarora; St. Davids, and elsewhere, Canada West. Manufactured from |  | | Journal (article/letter/editorial) | | Intrusive Dykes in supposed New Red Trap near Plymouth ......... 499 V. Other alleged Intrusive Dykes...Olivine-basalte. (b) Quartz Inclusions. (c) Mica-augite-andesite of Killerton. I. P~.vIo~rs LIT~TmU~. 1797...figures dykes of ' felspathic trap' at Cawsand in Plymouth Sound intrusive in Devonian rocks, though the...present paper was read, the writer has visited the Plymouth district, and hopes shortly to be able to publish...Brown mica in No. 889. Groundmass.--Plagioclase. Augite in Nos. 914, 915. Magnetite or ilmenite. Brown |  | | Report (volume) | | Stations; Bulletin, nos. 12, 13. Berkeley, Cal. Canada, Department of Mines, Mines Branch: Summary Report...for 1916; Bulletin, nos. 14-17, 19. Ottawa, Ont. Canada, Geological Survey : Memoirs, nos. 93-102; Museum...Mining Journal, vol. 38. Toronto and Montreal, Canada. Carnegie Institution of Washington: Yearbook no...Branch: Report on mining operations, 1916. Quebec, Canada. Rochester Academy of Science: Proceedings, vol... pp. 59-160, Rochester, N. Y. Royal Society of Canada: Proceedings and Transactions, Third series, vol |  | | Book | | NRLF SB 5D V co Age of tlie Trees Hints of historic Mail. Correspondence of the San Franciss:...SOCIETY. BOSTON : PUBLISHED BY CUMMINGS, BILLIARD, & CO. 1825. DISTRICT OF MASSACHUSETTS, TO WIT. District...the bottom, add (C.) after chalk. " under CALDWELL Co. for (T. A. Greene.) read MAHA VILLAGE should be...OF AMERICAN MAINE. BATCHELDER'S GRANT. (Oxford Co.) Sulphuret of Lead at this place, and on land owned...5 in m. a coarse grained granite, of North Yarmouth, W. Garnet, manganesian, massive, at Jones' |  | | Journal (article/letter/editorial) | | the following year. In the Easter excursion to Plymouth in 1907 the Culm measures of the St. Mellion and...groups. The oldest or Plymouth Group included the Meadfoot Group, Staddon Grits, Plymouth Limestone, and the...group was also said to occur on the north of the Plymouth Group, separating it from the Petherzoin or highest...the sudden termination of the Newton Abbot and Plymouth limestones against newer Devonian rocks on their...regards the Culm rocks, in the report'[ of the Plymouth excursion, p. 88, an unintentional error, which |  | | Journal (article/letter/editorial) | | a trachytic porphyry which contained sanidine, augite, and mica, in grey or pinkish matrices. We discovered...mouth of the Catwater to within Sutton Pool, at Plymouth, was constantly agitated by flux and reflux. In...Three similar fluxes and refluxes occurred at Plymouth in forty minutes. Four whirlwinds, accompanied...from the Soilly Isles through Cornwall as far as Plymouth, in July, 1757. A. disturbance of the sea took...occurred in Mounts Bay, and at Falmouth, Fowey, and Plymouth. In 1789 fluxes and refluxes of the sea were observed |  | | Journal (article/letter/editorial) | | artifacts. Details on request. D. Malick, 5514 Plymouth Rd., Baltimore 14, Maryland. FOSSIL COLLECTIONS—Sixteen...fine quality rough Gemstone material. THE VELLOR CO. Box 44, (RM) OVERLAND, ST. LOUIS, 14, MO. OPALS...all Australian Gemstones. Australian Gem Trading Co., 49 Elizabeth Street, Melbourne, Australia. SPECIAL...priced at from $5 to $50 a pound. Royal Blue Mines Co., Box 646, Tonopah, Nevada. QUARTZ CRYSTAL—Unusual... Bill Yarmack, 10083 137 A St., Whalley, B.C., Canada (at ¡unction of hiways 99 and 1). FIND GOLDI—Instructions |  | | Journal (article/letter/editorial) | | when describing the pillow-lavas of South Devon (Plymouth and Liskeard Memoir, 1907), and has now completely...Geol. Assoc., 1914, p. 166. * Wilson, Geol. Surv. Canada, Mem. No. 39, 1914, p. 5. 2 3 64 A. K. Wells—...Sun: Canada, Mem. Xo. 39, 1914, and Alcock, Mem. 119, 1920, p. 17. * Cooke, Geol. Snrv. Canada, Mem....A12O3 Fe 2 O 3 FeO MnO MgO CaO Na 2 O K2O H2O( P2O5 CO., Basalt. 4906 1-3(5 15-70 5-38 6-37 0-31 617 8-95...mineral does remain, it is a brownish coloured augite, usually granular, but occasionally sub-ophitically |
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