 | | Journal (article/letter/editorial) | | South Hill, Jersey, C.I. By A. C. BISHOP ABSTRACT At South Hill, \ mile south-east of St. Helier, two ho...zones and a dolerite dyke belonging to the main Jersey dyke swarm cuts the granophyre, lamprophyres, and...volatile constituents. INTRODUCTION THE town of St. Helier is overlooked by Fort Regent that stands on an...small bay to the east of the Victoria Pier of St. Helier harbour. At South Hill the granophyre is cut...Detailed mapping of the minor intrusions of southern Jersey has revealed at South Hill two hornblende-mica-lamprophyre |  | | Report (issue) | | Sheet 2 gee +St Ouen © € & St Ouen’s Bay :\&x St ne , St Lawrenc \\ ST BRELADE St Aubin's La Corbiére... Fliquet Bay St Catherine's Bay Royal Bay of Grouville 4ELIER Grouville oh @ St Clement Green...1:25000 Channel Islands Sheet 2 Jersey Shale Formation D. G. Helm Jersey Volcanic Group G. M. Thomas Rozel... Preface This handbook describes the geology of Jersey, as depicted on the 1:25 000 map published in 1982...conjunction with the map. A geological survey of Jersey was carried out between 1972 and 1977, under |  | | Journal (article/letter/editorial) | | arranged transversely. Fairly large crystals of apatite are not uncommon. Most of them are scattered in...of reaction between the magma and that mineral. Apatite in small crystals is fairly abundant, sometimes...partly decomposed felspar. North of the Harbour at St. Sampson. This rock contains pseudomorphs after olivine...crystals are lenticles resembling those found at St. Sampson, which there were attributed to one of the...much decomposed felspar forms the groundmass. Apatite occurs, but is scarce; similarly with carbonate | | | Report (issue) | | Fliquet Bay St Catherine 's Bay St Ouen's Bay 50 ST St Aubin's Bay rouvil.le ST HELIER La Corbiere...Corbiere Point La Cotte Point St Clement Noirmont Point 400 (122) 300 (91) 100 (30) 0 Royal Bay of Grouvi/le...Briden R. A. Clark Jersey Description of 1:25000 Channel Islands Sheet 2 Jersey Shale Formation D. G...G. He1m Jersey Volcanic Group G. M. Thomas Rozel Conglomerate Formation J. T. Renouf Minor igneous intrusions... Preface This handbook describes the geology of Jersey, as depicted on the 1:25000 map published in 1982 |  | | Journal (article/letter/editorial) | | Dicq Rock 117 Dyke Phenomena of the Dicq Rock, Jersey, C.I. By M. CASIMIR and FREDERICK A. HENSON (PLATE...over 20 feet occur amongst the igneous rocks of Jersey, they have as yet received little attention. The...large topographical feature on the coast south of St. Helier, is situated about 100 yards east of the Havre...PEBBLE BEACH " " / TEXT-FIG. 1.—The Dicq Rock, Jersey. from the seaward end it is traceable eastwards...epidote. The accessory minerals include abundant apatite, magnetite, ilmenite, fluorspar, sphene, and zircon |  | | Journal (article/letter/editorial) | | 151 THE GEOLOGY OF JERSEY. W itk special reference to the parts of the Island visited during the...Channel Islands occupy the centre of the Bay of St. Malo, Jersey, the largest, measuring nin e and a half miles...miles from St. Malo. The latter port lies due south of 51. H elier, the capital of Jersey . The island... about twenty miles inland, almost due east of Jersey. In colour they vary from grey to bluegrey and...the Ecreho reef fringing the north-east coast of Jersey. The pre-Cambrian area of the Cotentin, therefore |  | | Journal (article/letter/editorial) | | THE ROCK GROUPS OF JERSEY, WITH SPECIAL REFERENCE TO INTRUSIVE PHENOMENA By A. J,IJ\;l;SLEY WELLS, D...the Jesuit priest, Chas. Noury, whose Geologie de Jersey, although out of date in some particulars, remains...British Isles, a re-examination of the evidence in Jersey seemed amply justified. In the pursuit of this...outc rops the wide, shallow bays of St. Ouen 's on the west and St. Aubin's on the south; while bastions...of resist ance to marine a ttack. Th e rocks of Jersey comprise, in addition to the " Shale Series " and |  | | Journal (article/letter/editorial) | | Critical Study with Special Reference to those in Jersey, C.1. by A. c. BISHOP Received 28 March 1962...particular reference to dark margins occurring in Jersey. Both processes are known to occur, but the tectonic...xenoliths occurring in hybrid granite at Ronez in north Jersey which seemed to indicate that the xenoliths had...and Wells & Bishop (1954, 1955) from south-east Jersey, and for which an origin other than chilling has...here with special reference to the diorites of Jersey, where they are well displayed. DARK MARGINS |  | | Journal (issue) | | graphite will turn out to be as normal as included apatite in Ceylon gems. REFERENCES Crowningshield, R. Developments...packet marked "Azurite". This proved to be blue apatite, giving a uniaxial negative reading of 1*635—1-639...cavities and black hexagonal crystals in blue apatite. {Photo. K. Scarratt) 236 J. Gemm., 1977, XV...centre is for analysis of an exposed inclusion of apatite. The amethyst shown in Figures 3 and 5 is mounted...Tolmie, Andrea J., Lynn Stonnall. Wharton, Stuart, St. Albans. Wisdom, Terence R., Chorleywood. EXAMINATIONS |  | | Journal (article/letter/editorial) | | 8 and n = 3, this being analogous mCa,P,O, to apatite. L. J. s. Published on 01 January 1896. Downloaded...rock of a diabase dyke in the granite, at St. Helier, Jersey ; 11, the brown, ochreous, clayey matter |  | | Journal (article/letter/editorial) | | The Volcanic and associated rocks of Giffard Bay, Jersey, Channel Islands by MISS M. CASIMIR and F. A. HENSON...described is a small bay on the north coast of Jersey, extending between La Crete Point in the south-west...papers on the geology of the Channel Islands, and of Jersey in particular, have been written by both British...published his well-known geological treatise on Jersey. To him must be accorded the distinction of first...the extensive PreCambrian sediments of western Jersey. Noury interpreted Ansted's 'old conglomerate' |  | | Journal (article/letter/editorial) | | The Geology of South-West Jersey, Channel Islands by F. A. HENSON Received 7 July 1954; read 4 February...DISCUSSION 291 291 292 293 ABSTRACT: South-west Jersey is formed of a granite complex emplaced in sediments...biotite-hornblende granite in contact with the sediments of the St. Aubin area; (ii) the older biotitehornblende granite...lamprophyres are distributed sporadically. In the St. Aubin area the fine-grained marginal granite. characterised...I [To face p, 266 THE GEOLOGY OF SOUTH-WEST JERSEY 267 Micrometric and textu ral anal ysis of un-o |  | | Book (edition) | | TUE MINERALS OF JERSEY by A. E. Mouranr . ! 1 ' 1 1 1 - 1 l ~- \0 !4&f lo MAl? JJ'1Eni'§JEy... THE MINERALS OF JERSEY by A. E. MOURANT, FRS , , SOCIETE JERSIAISE THE JERSEY MUSEUM 9 PIER ROAD...ROAD, ST. HELIER, JERSEY First published Revised and en/arged /96/. l97fl Printed by Premier Printers...Printers, Jersey Cover:- Group of quartz crystals from a geode in granite; Gigoulande quarry, St. Peter. ... THE MINERALS OF JERSEY INTRODUCTION The first edition of this book was published in 1961 as a paper |  | | Journal (issue) | | plagioclase, muscovite, tourmaline, garnet, beryl, apatite, sillimanite, ilmenite, monozite, cheralite, zircon...Colourless enstatite, Sri Lanka. Minute crystals of apatite among dense silk of rutile needles, x 10 -23fcr...quartz and cordierite, tourmaline and brazilianite, apatite and topaz, etc. The least movement of the shadow...chrysoberyl (a new inclusion in gems), quartz, apatite, and margarite and muscovite micas. R.K.M. GURNEY...limonite, magnetite, mica, rutile, haematite and apatite inclusions were found, most of which are illustrated |  | Lawrence, D. M., Treloar, P. J., Rankin, A. H., Harbidge, P., Holliday, J. (2013) The Geology and Mineralogy of the Loulo Mining District, Mali, West Africa: Evidence for Two Distinct Styles of Orogenic Gold Mineralization. Economic Geology, 108 (2) 199-227 doi:10.2113/econgeo.108.2.199 | Journal (article/letter/editorial) | | Randgold Resources Ltd, Halkett Street, St Helier, Jersey, Channel Islands JE2 4WJ Abstract Loulo is...consistently high levels of P-REE-W–bearing phases (apatite, monazite, xenotime, and scheelite). Base metal...address: Randgold Resources Ltd, Halkett Street, St Helier, Jersey, Channel Islands, JE2 4WJ 0361-0128/13/4089/199-29...pentlandite), and strong enrichment in (REE)-phosphates (apatite, monazite, and xenotime) and scheelite. A summary...Arsenopyrite Molybdenite Monazite Xenotime Scheelite Apatite Gold Limonite Goethite FIG. 5. Vein, ore, and |  | | Book (edition) | | phosphoric and titanic acids . As phosphate of lime (apatite) the former is present in most basic rocks, and...constituents of granite ; while zircon , sphene and apatite are accessory. The accessory minerals may be further...Melilite . Colourless, or Sodalite . slightly Apatite. coloured . Zircon. Eudialyte. Andalusite. ...=talc ; 2=gypsum ; 3=calcite ; 4 = fluorspar, 5=apatite, 6=orthoclase, 7 = quartz, 8=topaz, 9 = corundum...cancrinite. Nepheline is liable to be confused with apatite. The latter mineral, however, occurs usually in |  | | Book | | we have managed to contact arc Richard Barstow of St. Just and John Weller, of Newquay Derbyshire, of...quartz pegmatites (some with topaz, beryl and apatite), chalcopyrite, arsenopyrite, bornite, fluorspar...it reveals crystals of beryl, topaz, garnet or apatite. The minerals just mentioned are simply some of...per cent being divided chiefly between beryl and apatite. Beryl is ajso found near Sandaig Bay from Alli...plates of mica, red garnet (small grains! and apatite crystals Also found here are epidote, pyrite and |  | Lambert-Smith, James S., Lawrence, David M., Vargas, Carlos A., Boyce, Adrian J., Treloar, Peter J., Herbert, Sarah (2016) The Gounkoto Au deposit, West Africa: Constraints on ore genesis and volatile sources from petrological, fluid inclusion and stable isotope data. Ore Geology Reviews, 78. 606-622 doi:10.1016/j.oregeorev.2015.10.025 | Journal (article/letter/editorial) | | Ltd, Unity Chambers, Halkett Street, St Helier JE2 4WJ, Jersey Scottish Universities Environmental Research...arsenopyrite, pyrrhotite, chalcopyrite, scheelite, apatite, monazite, xenotime, gersdorffite, cobaltite and...and accessory haematite (~ 10 μm), with trace apatite and monazite. Feldspars are altered to near pure |  | | Journal (issue) | | in Table 1 column 1. In column 3 the total for apatite is low and this is consistent with J. Gemm.,...Merriman (B.G.S. X-ray film number X8645). 3. Apatite, mean of 5 analyses from ruby grain and polished...rutile, present in ruby from the mica schist are apatite coloured black by graphite. The mica schist consists...consists of 80% phlogopite mica, 5% apatite, 3% graphite, 3% corundum (ruby and blue sapphire), 2% margarite...intergrowth of phlogopite mica with the corundum, apatite and other minerals. In these Figures it can be |  | | Journal (article/letter/editorial) | | at Botallack (St Just district); Dolcoath, Wheal Concord and Nangiles (Camborne-Redruth-St Day district)...district), Wheal Charlotte (St Agnes) and Perran St George (Perranporth). Total indium concentrations are very...C. Tennant2 1 Ore Systems Consulting, 29 Toronto St. S., Markdale, ON N0C1H0, Canada 2 Anglesey Mining...Floor, Unity Chambers, 28 Halkett Street, St Helier, Jersey JE24WJ, UK *Corresponding author, email pjbird@kingston...evolution. All mineral phases (clinopyroxene, garnet, apatite, nepheline) contain numerous trapped melt inclusions |  | McFarlane, C. R. M., Mavrogenes, J., Lentz, D., King, K., Allibone, A., Holcombe, R. (2011) Geology and Intrusion-Related Affinity of the Morila Gold Mine, Southeast Mali. Economic Geology, 106 (5) 727-750 doi:10.2113/econgeo.106.5.727 | Journal (article/letter/editorial) | | Resources Ltd., La Motte Chambers, La Motte St. St. Helier, Jersey, JE1 1BJ, Channel Islands 4 Rodinian 5...of magnesiohornblende, biotite, plagioclase, F apatite, and minor K feldspar (Fig. 3F). This assemblage...these grains. with the silicate assemblages, apatite, and pyrrhotite. Where visible in core, these polymineralic...quartz (40%), minor biotite (10%), and accessory F-apatite. Gold mineralization in these settings is typically...plagioclase, minor K feldspar, biotite, hornblende, and apatite locally host native gold-bismuth mineralization |  | | Journal (article/letter/editorial) | | and muscovite and lesser amounts of hornblende, apatite, monazite, tourmaline, garnet, rutile and magnetite...Floor, Unity Chambers, 28 Halkett Street, St Helier, Jersey JE24WJ, UK 3 Scottish Universities Environmental...Floor, Unity Chambers, 28 Halkett Street, St Helier, Jersey JE24WJ, UK 3 NERC Isotope Geosciences Laboratory... 1998; Williams, 1998); and the occurrence of apatite, Cemonazite and REE F-CO3 minerals), suggest a...Nottingham NG12 5GG, UK 4 St. Petersburg State University, Geological Faculty, St. Petersburg, Russia 5 NUUz |  | | Book (edition) | | STRUCTURE 27 Staffa and in Skye, also at Elie and St. Andrews in Fifeshire. Occasionally the columns are...lime (apatite) is present in most basic and in many intermediate and acid rocks ; some apatite-bearing...by à granular aggregate of quartz , tourmaline, apatite, and white mica. The felspar and black mica of...constituents of granite ; while zircon, sphene and apatite are accessory. The accessory minerals may be further...constituents (magnetite, hæmatite, ilmenite, apatite, zircon, spinel and sphene ). 2.The ferro-magnesian |  | | Book (edition) | | CHAP, n] Staffa in and 27 Skye, also at Elie and St. Andrews Occasionally the columns are sub- in Fif'eshire...phosphoric and titanic acids. The phosphate of lime (apatite) Among compounds tions, although present in...in most basic and in many intermediate some apatite-bearing rocks even and acid rocks contain as much...by a granular aggregate of quartz, tourmaline, apatite, and white mica. The felspar and black mica of...and mica are essential of granite are accessory. apatite The accessory minerals constituents ; while |  | Lawrence, D. M., Treloar, P. J., Rankin, A. H., Boyce, A., Harbidge, P. (2013) A Fluid Inclusion and Stable Isotope Study at the Loulo Mining District, Mali, West Africa: Implications for Multifluid Sources in the Generation of Orogenic Gold Deposits. Economic Geology, 108 (2) 229-257 doi:10.2113/econgeo.108.2.229 | Journal (article/letter/editorial) | | Randgold Resources Ltd, Halkett Street, St Helier, Jersey, Channel Islands, JE2 4WJ Abstract The world-class...address: Randgold Resources Ltd, Halkett Street, St Helier, Jersey, Channel Islands, JE2 4WJ. 0361-0128/13/4090/229-29...sulfide population); abundant (REE)-phosphates (apatite, monazite, and rarer xenotime) and tungstates (scheelite) |
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