 | | Journal (issue) | | largest crystal measures 3 cm Heights mine, Weardale, County Durham, England. Stuart Strife collection; self-collected...right) Elbaite, 7.8 cm, Himalaya rnine, San Diego County, California; Kevin Brown collection; Jeff Scovil...Amazonite microcline with smoky quartz, 8.5 cm, Tree Root pocket, Two Point claim, Teller County, Colorado;...to develop an interest in the idea of forming a new organization just for serious mineral collectors...booth, got to talking about the idea of forming a new organization; they then brought Jim Merrett and Ken |  | | Journal (issue) | | greatly prized. Farnous localities like the Sweet Horne mine, Breckenridge, Mount Antero, the Sunnyside...have been found in Colorado, including 66 that were new to science. Colorado has also been fortunate to host...By 1864 his expertise had brought him to Gilpin County, Colorado, where his reputation as a consultant...~ ) I~,. ~~ _ "f'ā¢ 0istrict, , ~ ,;:: V County , Colorado . l'fJ 1/ {r-zr--D '/;"~ of 2000...name of the lade or mine, the mining district and county, and the assay results for gold and silver content |  | | Report (issue) | | RESOURCES PUBLICATION 89 MINERALS OF ALBEMARLE COUNTY, VIRGINIA Richard S. Mitchell and William F. Giannini...RESOURCES PUBLICATION 89 MINERALS OF ALBEMARLE COUNTY, VIRGINIA Richard S. Mitchell and William F. Giannini...RESOURCES PUBLICATION 89 MINERALS OF ALBEMARLE COUNTY, VIRGINIA Richard S. Mitchell and William F. Giannini...talc l0 PUBLICATION 89 MINERALS OI' ALBEMARLE COUNTY. VIRGINIA Richard S. Mitchell* and William F....references to various minerals found in Albemarle County are found in both published and unpublished geological |  | | Report (issue) | | C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated ācheck listā just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...(Moonstone) AI bite (Clcavclanditc) Checklist Microcline (Amazonstone) Orthoclase (Moonstone) (Iso-orthoclasc)...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning...listed only* if localities arc given for them. The county lists do not include comĀ mon rock-making materials |  | | Journal (article/letter/editorial) | | localities, and authors mentioned in the 3oth List of new mineral names are not included in this Index, nor...in adularia by means of optical microscopy, infra-red absorption, and electron microscopy, 453; -and ZUSSMAN...Alabandine, I.R. spectrum, 277 and MI7 ALABASTER(C.), A new wulfenite locality near Bristol, 298 Albite, Greenland...Ethiopia and Italy, 63; and see adularia, albite, microcline, orthoclase, valencianite Alkaline-earths and...determination in pumice by X-ray diffractometry, io3; New South Wales, sedimentary, partial anal., cell-size |  | | Journal (volume) | | ..... . .. ... ..... . ........... . ....... Microcline perthite ......................................) and biotite. Common additional minerals are microcline, sericite, opaque minerals, apatite, garnet and...ses situated on the north side of the Kaatiala quarry there occur layers containing an abundance of muscovite...minerals contained in the hornblendite are alte red plagioclase, chlorite, apatite and opaque minerals...across about one kilometer north of the Kaatiala quarry. Quartz diorite and granodiorite, granite and |  | Clarke, D.Barrie, McCuish, Krista L, Vernon, Ron H, Maksaev, Victor, Miller, Brent V (2002) The Port Mouton Shear Zone: intersection of a regional fault with a crystallizing granitoid pluton. Lithos, 61 (3) 141-159 doi:10.1016/s0024-4937(02)00077-4 | Journal (article/letter/editorial) | | University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3315, USA Received 15 November 2000; accepted...brittle fracturing of feldspars, twinning of microcline, development of blocky sub-grains in quartz,...granites at Port Mouton Island Quartz Plagioclase Microcline Biotite Muscovite TOTAL Average banded monzogranite...crystals are microcline and lie in the foliation plane with plagioclase (Fig. 3b). The microcline grains have...most late-stage melt will precipitate the most microcline (e.g., leucocratic bands and pegmatites). Finally |  | | Journal (issue) | | localities like those found in neighboring Arizona and New Mexico; Texas is oil country, and many fortunes have...illustrated the first time around, and some that are new acquisitions. Together the two Texas supplements...History of Mineral Collecting in Texas Barringer Hill The first mineral collector of note in Texas was...ofLeadville, Colorado. Eventually rnoving on through New Mexico and Arizona as a prospector, he leamed some...an avid rnineral collector before moving back to New York in 1885 and becoming one of the city's first |  | | Journal (issue) | | Appendix A: Petrography of the Fallgate and Milltown Quarry boreholes, by R. W. Elliot, B.Sc. . . . .Ā· Appendix...Price 30s.-Od. (by post 30s. 9d.). . !.-Moine- Old Red Sandstone Ui;iconformity at Sugar Loaf Island, near... Mozambique, by R. K. Harrison, M.Sc., J.E. T. Horne, M.A. and D. Atkin, M.Sc. 77 IX.-Determination...X-ray diffraction data for thortveitite, by J.E. T. Horne, M.A. . . Ill 6538 Aā¢ 91 92 93 94 95 96 97 ...district Radiometry of the east face of Windy Knoll Quarry, near Castleton Radiometry of Treak Cliff Cavern |  | | Report (edition) | | {s the \Vholesale Agent to the Trade outside the County of London. 191 '7. Price Is. Net. J MEMOIRS...ia the Wholesale Agent to the Trade outside the County of London. 1917. Price ls. Net. 11 PREFACE...and 15 ,, IV.-PnosJ.>IIATE OF LIME (contd.) :-Red and Coralline Crags; Chalk ; Chloritic Marl ; Gault;...the valley-bottoms, but few streams descend the hill-slopes near the pegrnatites. There is little or...(Fig. 2). At one place, A, nea, r the end of the new peat-road, in a breadth of 100 yards of pegmatite |  | | Report (edition) | | is the \Vholesale Agent to the Trade outside the County of London. ā¢ ā¢ _ :: 1916. P1Ā·ic.e One Shllling...LTM'I!:. Uses, Statistic.9 Treatment a.nd 5 13 :-Red and Coralline Crags; Chalk; Chloritic Mflrl ; Ganlt;...potash-:felspar, known respecĀ tively as orthoclase and microcline. . The1- are theoretically identical in chemical...silicate (water-glass) along with pure alumina.+ By a new Swedish process Ā£elspar is used to obt,ain a glassy...the an1ount ā¢ available by quarrying, but on some hill-sides where the dip of the vein and the slope of |  | | Journal (article/letter/editorial) | | 505 Amphibole, ferri-ferrohornblende, kirwanite, County Down, Northern Ireland, 253; fibres, flexibility...and WILLIAMS,P. A., lanthanite group, Sweden and USA, 639 Auger electron spectroscopy (AES), arsenopyrite...613 BENY, J.-M., see TLILI, A., 165 Bernardite, new mineral, Yugoslavia, 531 BEUKES,G. J., see DE BRUIYN...sulphide, 635; HeralD gold deposit, vaughanite, new mineral, 79 CANARYISLANDS, Tenerife, recycling in...tridymite, by TEM, 89 Crystal structure, bernardite, new mineral, Yugoslavia, 531; manganoan kilchoanite, |  | | Journal (issue) | | Show questionnaire was returned by 164 visitors and new names will be added for our direct mail shot. Our...areas to previous years: Haywards Heath/ Burgess Hill/Lindfield/ Cuckfield/Horsham 53 Brighton/ Worthing/...Chichester/Rustington/Midhurst 1O Middlesex 1O Lewes 7 Hampshire 7 Eastbourne and Hastings 4 then Berks and Herts...shortly be moving to Cornwall, so watch out for some new finds in the South-West! Laszlo Palinkas from Hungary...6") group of calcite scalenohedra from Harnhill Quarry, Olveston, Gloucestershire and a wide range of |  | | Journal (article/letter/editorial) | | 193 VIII. Intrusive Rocks older than the Lower Old Red Sandstone 194 PAGE IX. The Hornblende-Schist Complex...for, in referring to the section at Leny Old Lime Quarry, Callander, he remarks that " both the texture...Radiolaria in some of the cherts. Messrs PEACH and HORNE were struck with the close resemblance in lithological...basic eruptive rock with the graphitic schist and red and black radiolaria-bearing cherts, so exactly a...rocks of the Southern Uplands by Messrs PEACH and HORNE led to their being marked on the Survey maps as |  | | Journal (article/letter/editorial) | | ALABASTER (C. J.), An occurrence of brucite at Merehead quarry, Cranmore, Somerset, 4o0 ALEXANDER (P. O.) and...Hastingsite, Hornblende, Fluor-richterite Analcime, New Zealand, 398; Isle of Arran, mode of formation, stability...Bad na h'Achlaise, Assynt, Sutherland, fenitc, microcline, richterite, aegirine-augite, M 7 BAILEY (D....southalpine gneiss, Cermeledo, Italy, 4oo Boehmite, New Zealand, in syenite, anal., opt., cryst., Xray, 398...Greenland, anal., opt., 77 BRIDGE (P. J.), Archerite, a new mineral 33; and see NICKEL (E. H.), 37 BRINDLEY (G |  | | Journal (article/letter/editorial) | | Beinn Bhuraich. The country is chiefly moor and hill grassland, with numerous exposures of rock ; fairly...Fluvioglacial sand and gravel. Boulder clay. Middle Old Red Sandstone . Conglomerates with thin sandstone bands...the neighbouring Middle Old Red Sandstone. The boundary of the Middle Old Red Sandstone and its unconformable...geologically mapped on the 6 in. scale : the Old Red Sandstone boundary has been traced from Loch Dun...fault, and overlain unconformably by the Middle Old Red Sandstone to the north-west. Its relations to the |  | | Journal (article/letter/editorial) | | 384 MR JOHN S. FLETT ON co graph on the Old Red Sandstone of Western Europe.* As the result of two...regarded as belonging to the upper Old Red Sandstone. The lower Old Red Sandstone consisted principally of...with which were interstratified beds of yellow and red sandstone, and occasionally of conglomerate. The...the distribution 9f fossil fishes in the lower Old Red Sandstone of Lake Orcadie, including those of Orkney...geological point of view, the brief notice of the Old Red Sandstone of the Orkneys contained in this paper |  | | Journal (article/letter/editorial) | | URANIUN4-BEARING PEGMATITE BODIES IN SAN BERNARDINO COUNTY, CALIFORNIA* D. F. Hewarr ANDJnwnlr, J. Gr,ess...have been discovered recently in san Bernar_. dino County, California. Examination shows that each one contains...Jurassic. The other pegmatite body, at Pomona Tile quarry near Rock corral, 40 miles southwest of the one...Bernardino County, California, showing location of pegmatite prospects' The Pomona Tile Quarry pegmatite...Tile 1042 D. F. EEWETT AND IEWELL J. GLASS Co. quarry road from this spur turns west 1.8 miles from the |  | | Journal (article/letter/editorial) | | examination of the gneiss was made by Drs. Peach and Horne in 1911, and their results were summarised for the...felspars are alkali-rich. Interstitial glass-clear microcline is usually present in relatively small quantity...also by the metamorphic forces, and that the microcline structure has been set up in this mineral as...epidote amphibolite may be seen on the sides of the new road. Associated with the hornblende, which builds...point where Callanish the new beyond Loch Airidh n a L i e a quarry in a conspicuous black rock |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described |  | | Report (volume) | | KGS 2359J Molybdenite crystal in quartz, Moly Hill mine. The crystal is 33 mm across. National Mineral...Rand (Ontario Kirkland, Hudson Rand) mine Tundra quarry Wright-Hargreaves mine Sylvanite mine Toburn (Tough-Oakes...Riverside (Bazooka) mine Canada Black Granite quarry Horne mine Mines along highways 101 north and 111...mine Pontiac Rouyn (Anglo Rouyn) mine Marlon Rouyn (New Marlon) mine Quemont mine Joliet mine Donalda (Kerralda)...(Old Waite) mine Vauze mine Ansil mine Fabie Bay (New Insco) mine Newbec mine Mobrun (Bouchard-HĆ©bert) |  | | Journal (issue) | | Coppergate ENQ 1059 Almondbury, Castle Hill ENQ 1067 Almondbury, Castle Hill ENQ 1068 *?Huddersfield, (site unspecified)... M.P.B.W. Bucks Bucks Bucks Bucks County County County County Museum Museum Museum Museum London...ENQ 1050 and 1056) scarce microcline is also present. In ENQ 1056 the microcline forms in scanty poly...approaching type IB(i) (below) in character. Feldspars (microcline and plagioclase) occur sporadically and show...less than 100 fi), with sporadic grains of soda-microcline and fewer of oligoclase-andesine, and scattered |  | | Journal (volume) | | 19 Zircon 19 Petrogenesis References ii Ilomba Hill from the Songwe Plain to the north-west 3 Photomicrograph...15 5 Radiometric map of the summit area, Ilomba Hill 16 TABLES 1 2 3 4 5 6 7 Geological history of...out intermittently over the past 23 years. Ilomba Hill is noteworthy for its uranium-rich pyrochlore, and...pyrochlore deposits of south-eastern Africa. Ilomba Hill lies in the extreme north-western corner of Malawi...Deans to contain pyrochlore, near the summit of the hill and, the following year, carried out a detailed |  | | Report (edition) | | on the Geological Survey, who have freely offered new information and helpful criticism. Dr. Pringle has...University Press), 1930. The illustrations of Middle Old Red Sandstone fossils have been drawn by Mr. J. K. Allan...Age Relations . IX. Old Red Sandstone . Middle Old Red Sandstone . Upper Old Red Sandstone . X. Carboniferous...The Strontian Granite Fig. 19. Fig. 20. The Old Red Sandstone of Caithness and Sutherland Section from...to Berriedale Fig. Fig. Fig. Fig. Fig. The Old Red Sandstone of Ross-shire and part of Inverness-shire |  | | Journal (article/letter/editorial) | | ( 671 ) XXVII.āThe Old Red Sandstone of Shetland. Part II. North-Western Area. By T. M. Finlay, M.A...which enabled the position of these beds in the Old Red System to be fixed more definitely than had hitherto...shown to be partly of Middle, partly of Upper Old Red Sandstone age, the base of the Rova Head Conglomerate...ARCHIBALD GEIKIE, and in succeeding years by PEACH and HORNE. GEIKIE'S account (6) of this district deals mainly...similarity in age, he assigned to the Shetland Old Red a position in the lower part of his twofold system |
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