 | | Journal (article/letter/editorial) | | of the aragonitic shell of Permian bivalves by laumontite and calcite has been described by Wright et al...surrounded by a volcaniclastic, sedimentary matrix and laumontite- and hematite-rich cement whereas the upper...generations of abundant chlorite-smectite and laumontite with lesser titanite, pumpellyite, calcite and...of fine-grained phases. Amygdales dominated by laumontite have a thin pink rim produced by accumulations...granoblastic laumontite or calcite. Some vugs consist of finer grained aggregates of laumontite, chlorite-smectite |  | | Journal (issue) | | M. Perkins, B. Chenhall, f. Pemberton and R. Middleton ........................... 71 Other Items: Notes...of interesting mineral discoveries in the western USA. FRANCIS COLLECTION WEB SITES The Mineralogical...intrusive Triassic diabase at Goose Creek, Loudoun County, Virginia. Proceedings of the United States National...E. Chenhall, John W. Pemberton and Robert G. Middleton School of Geosciences University of Wollongong...aragonite and calcite together with the zeolites laumontite, heulandite and ferrierite (England and Ostwald |  | | Journal (issue) | | index. This is organised hierarchically by country, county or state, then site name. To avoid the confusion...century boundary changes in the British Isles, the county boundaries defined by the Local Governmant Act...referred to as Glamorgan. The new counties and county boroughs brought in by the Lieutenancies Act of...Moonen bay, Isle of Skye, Scotland 16:21-27 __& MIDDLETON, D. (1996) Alpine-type vein minerals from Tanygrisiau...D.I., McCALLUM, D. & WOOD, M. Middleton, D. see GREEN, D.I. & MIDDLETON, D. MORETON, S. (1993) The Gold |  | | Journal (article/letter/editorial) | | Hillock, Huntly, Aberdeenshire, hornblende-schist, laumontite, prehnite, kaolinite, 6o8 Brackebuschite, Argentina...brushite, syngenite, uricite, 889 Dirty Rake, Stony Middleton, Derbyshire, fluorite, 4oi DIXON (P. D.), see...of the term 'agpaitic', 729 Eganville, Renfrew County, Ontario, zircon, 587 Elasticity in minerals, anisotropy...--schist, Scotland, alteration of feldspar in, laumontite, 6o8 Hornblendite, New Caledonia, 890 HOWIE (R...clinopyroxene with complex intergrowths, 313 Laumontite, Scotland, alteration to prehnite and kaolinite |  | | Report (issue) | | and Prince William Sound districts, and from Middleton Island (fig. 1). Although samples were collected...marine rocks as young as middle Pleistocene on the Middleton Island platform indicate that some of the offshore...dominant matrix minerals are quartz, sericite, and laumontite. Quartz coatings on grains are present frequently;...prehnite 1s more typical of the Orca Group and laumontite and authigenie quartz of the Kulthieth Formation...commonly chlorite and sericite, and occasionally laumontite, are present as matrix minerals. Carbonate cement |  | | Journal (article/letter/editorial) | | filling showing prehnite partially replaced by laumontite. (d) Partly dissolved prehnite with Mg-rich chlorite...prehnite and replacement by younger minerals e.g. laumontite is common (Fig. 2c– d) and indicates a rather...fillings of this generation consist of calcite, laumontite, adularia, chlorite, quartz, illite and hematite...plagioclase have been replaced by laumontite and indicates laumontite formation in association with late...Calcite, laumontite, adularia, chlorite, quartz, illite, hematite 4. Calcite, adularia, laumontite, chlorite |  | | Journal (article/letter/editorial) | | Gibson mine, Bertrandite, New Hampshire, 161 Pitkin County, Colorado; specimen Beryl, South Dakota, 383 Biology-Earth...Russell, 396-99 mine, Magdalena district, Socorro County, New Mexico; Ron Gibbs specimen and Biotite: New...Bismuth, South Dakota, 383 tite, Thomas Range, Juab County, Utah; Bolt, E., see Spotlight on Juniors Martin...Graphite from Crestmore and Jensen Quarries, Riverside County, California, J. A. Jaszczak, 114; Investigation...Gibbs, R., Minerals of the Ground Hog Mine, Grant County, New Mexico, 294-97 Glassman, S., see Spotlight |  | | Journal (article/letter/editorial) | | Cerussite and fluorite, Blanchard mine, Socorro County, New Mexico. Peter J. Modreski photo. MarchlApril:...chalcopyrite, and quartz, Sweet Home mine, Alma, Park County, Colorado. Martin Zinn specimen, Jeffrey Scovil...NovemberDecember: Silver, Bulldog mine, Mineral County, Colorado. F. John Barlow specimen, Malcomb Hjerstedt...Catherine No. 1 Mine, Casper Mountain, Natrona County, Wyoming, N. Tilander, M. I. Jacobson, 3 3 9 4...Mining, 267-74 Carlton Quarry, Chester, Windsor County, Vermont, R. Clements, D. Robinson, 23 1-35 Carnegie |  | | Journal (issue) | | MINERALS from TANYGRISIAU D{l()id Green· D{l()id Middleton 34 ROCKBOTI'OM PUBLICATIONS LTD ISSN 0952-2409...collected in May, and are certainly the best the county has ever produced. Some of the calcite is remarkable...wners of the Mogul mine site, near Silvermines, in County Tipperary, arc unlikely to resume mining in the...specimens, particularly of stilbite, heulandite and laumontite are still there in large cavities in the huge...the large number of tungsten bearing veins in the county. Stolzite crystals are minute and inconspicuous |  | | Catalog/List | | Copper - County Bridge Quarry, Lizard, Cornwall. V.Holyer 1976. [SW 722 220]. SW.Q4 Serpentine - County Bridge...Admiralty Flats on the Second Sun Vein. Tom Wolfe USA label. NY.2A19 Baryte after witherite - Nentsberry...Quarry, Teesdale, Co.Durham. [NY 873 282]. Now Middleton Quarry - late 1990s. NY.2E6 Zeolites (?) Force...Co.Durham. T.Bridges. 1988 [NY 873 282]. Now Middleton Quarry - late 1990s. NY.2G15 Anglesite - Pike...Cyanotrichite and malachite - Lune Head Mine, Lunedale, Middleton in Teesdale, Co. Durham. S.Bridges 1984. [NY 845 |  | | Catalog/List | | Coldberrv Mine Corsica A2 A2 £2 sop Nevada, USA Unknown The Knipe, S. Scotland Masson Hill, Derbyshire...Nenthead A3 A3 A3 £3 £1.50 £2 Haxis, Arizona, USA A3 £1 A3 A3 £1 £3 A3 A3 A3 A3 £1 £1 £1 £1.50...Arsenoovrite Colorado USA Enaraite Minas Gerais Brazil Pyrrhotite Pitcher, Oklahoma, USA Chalcopyrite on Dolomite...Belstone Qy, Devon Arsenopyrite & Garnet Colarado, USA Covellite & Chalcopyrite Whitesmiths Mine, Strontian...Wales A7 A7 £2 75p Utah, USA Cornwall (Fisher) Arkansas, US.A Georqia, USA Gunheath, Cornwall (Weller) |  | | Report (issue) | | .......................11 The Ledge (Charlotte County Granite) quarry.................................. . . . . . . . . . . . . . . . . . 271 48. Middleton. . . . . . . . . . . . . . . . . . . . . . . ...Junction, Oak Bay Road to The Ledge (Charlotte County Granite) quarry (p. 12). km 6.7 Junction, road...of the St. Stephen area (NTS 21 G/03), Charlotte County, New Brunswick (NBDNR, 1:50 000) 143 St. Stephen... (GSC, 1:253 440) 1096A St. Stephen, Charlotte County, New Brunswick (GSC, 1:63 360) NR-2 Mineral occurrence |  | | Journal (article/letter/editorial) | | undeformedplant structuresby ore minerals,the presenceof laumontite,and the estimated depthsat which bacterialactivity...Beer (1978) favorsthe latter interpremationof laumontite(Elliot andWatts, 1974) which tation and indicatesan...the fiuvio-lacustrine mation of zeolitessuchas laumontite (Eargle et al., red-bed Elliot Formation is located...nium has been reported from the Molteno, mainly laumontite has been taken as an indication of conin the...uranium moal., 1974). Furthermore the presenceof laumontite bilization. in agglomerateat the baseof the DrakensbergLavas |  | | Journal (article/letter/editorial) | | Brassington. Baryte, variety ‘oakstone’ from Middleton. Arborescent sprays of yellow calcite from Smalldale...series of specimen photos (analcime, calcite, laumontite, prehnite and pyrolusite). Cuprite, and azurite |  | | Journal (issue) | | Greenbank, L. (2003) The Rogerley mine, Weardale, County Durham, England. U.K. Journal of Mines and Minerals...on quartz 18cm x 23cm from Bingham, New Mexico, USA. Mineral Warehouse (Keith Sykes) had a veritable...orange pyromorphite from Bunker Hill Mine, Idaho, USA. Dave Hacker (Left) chatting with Dave Neal (Centre)...leaf golds from the Eagle'sNest Mine, California, USA ranging from £1400 - £4200. This year Ian had brought...trips undertaken by SMLS members to Lanzarote, the USA, Namibia, India Oncluding the Taj Mahal), the mountains |  | | Report (volume) | | Black. (F) The Reany Creek Formation, Marquette County, Michigan, by Willard P. Puffett. (G) The Aguada...Formation in the southeastern Kaiparowits region, Kane County, Utah, by Fred Peterson. (K) Summary of Cretaceous...Paleozoic formations of the Mountain City area, Elko County, Nevada, by R. R. Coats________________________________________...City and Owyhee quadrangles, Elko County, Nev., and Owyhee County, Idaho_____ __ 2. Kodiak and adjacent...Diorite __ ... --.pre-Carboniferous...-- --... Massachusetts and New HampAge changed from Precambrian or |  | | Report (issue) | | tightly folded, and metamorphosed regionally to laumontite and prehnite-pumpellyite facies prior to, and...plutonism and metamorphism of the Orca Group to the laumontite and prehnite-pumpellyite facies. Pervasive deformation...turbidity currents and fluidized sediment flows (Middleton and Hampton, 1973). Sole markings (flute and groove...Appalachians: Jour. Sed. Petrologv, v. 32, p. 39-91. Middleton, G. V., and Hampton, M. A., 1973, Sediment gravity |  | | Book | | Freeman and Co., 630 p. Blatt, Harvey, G. V. Middleton, and R. C. Murray, 1972, Origin of sedimentary...Silurian Rochester and McKenzie Shales, Morgan County, West Virginia: Jour. Sed. Petrology, v. 32, p...30 (Urn. XN 0.10 mm Devonianf?) gneiss Massachusetts A quartz grain with a large epidote microlite...XN 0.10 mm 48 Ordovician-Silurian schist Massachusetts Sillimanite. The fibrous crystal f o r m , pale...resistance. 0.10 mm Ordovician-Silurian schist Massachusetts 4>f Same as previous view but w i t h crossed |  | | Report (issue) | | Freeman and Co., 630 p. Blatt, Harvey, G. V. Middleton, and R. C. Murray, 1972, Origin of sedimentary...Silurian Rochester and McKenzie Shales, Morgan County, West Virginia: Jour. Sed. Petrology, v. 32, p...30 (Urn. XN 0.10 mm Devonianf?) gneiss Massachusetts A quartz grain with a large epidote microlite...XN 0.10 mm 48 Ordovician-Silurian schist Massachusetts Sillimanite. The fibrous crystal f o r m , pale...resistance. 0.10 mm Ordovician-Silurian schist Massachusetts 4>f Same as previous view but w i t h crossed |  | | Report (issue) | | focused on identifying tectonic environments (Middleton, 1960; Crook, 1974; Schwab, 1975). Chemical analyses...contain abundant plagioclase (Huckenholz, 1963; Middleton, 1972). However, as will be discussed in this...Virginia 9 Pennsylvanian Mansfield Formation, Crawford County, Indiana 10 Mississippian Berea Sandstone, Berea...potassium feldspar has been replaced by albite (Middleton, 1972). Albitization of feldspar has also been...metamorphosed sandstone enriched in secondary prehnite, laumontite, and plagioclase (Utada and Vine, 1984). Before |  | | Journal (issue) | | Neil Hubbard Alun Jones Mike Leppington David Middleton Jim Miller Paul Monk John Nowak Eric Otty Pam...rounded form. BMS NEWSLETTER 58 9 Kainosite-Y Laumontite Magnetite Prehnite Pyrite Pyrrhotite Quartz Stilbite...Contact O1628 621697. Fax 01628 680702 . Feb. 17 Essex Mineral & Gem Show, Nonh Romford Community Cent |  | | Catalog/List | | including name of mine or quarry, nearest town and county, and six figure National Grid Reference. Date coll...PYROMORPHITE 26 MIMETITE 27 LOWNGITE 28 TURQUOISE 29 LAUMONTITE 30 CHABAZITE 31 APOPHYLLITE 32 HARMOTOME 33 AOULARIA...LARNITE 3955PURRITE 396 PLOMBIERITE 397 QUARTZ 398 LAUMONTITE 399 MOROENITE 400 QUARTZ UWeScatwell Vale q...429 430 431 432 CERUSSITE AZURITE NATROLITE LAUMONTITE FLUORITE WULFENITE CERUSSITE GOETHITE SCHEELITE...Knlpes mine Pric:etown Gunnlslake Isle of Lundy Middleton Flats Penberthy Croft Buttennere,Cumbri Middleton |  | | Journal (issue) | | erals............................. 365 by R. G. Middleton The mineral collection of the Australian Museum...dealt with in the following article by Robert Middleton. NOTABLE PIONEER MINERALOGISTS The 1830’s saw...l s Robert G. Middleton Mineralogy Section Natural History Museum of Los Angeles County 900 Exposition... near G lendon, New South W ales. Los A ngeles County Museum collection, gift of Brian Eng land; photo...the Gem and Mineral Council of the Los Angeles County Museum of Natural His tory, as well as to Mr. |  | | Report (issue) | | cementation by clayey matrix, calcite, and laumontite. The composition of four fine- to medium-grained...volcanic (Fig. 4). rock fragments and less than Laumontite replaces detrital grains of plagioclase. forms...sandstone, siltstone, and pebble conglomerate. Laumontite cement was observed in several sandstone samples...montmorillonite, analcite, heulandite, clinoptilolite, and laumontite. Offshore basins/ like Sanak basin, may contain... Turbidite facies and facies association, in Middleton, G. V., and Bouma, A. H. , co-chairman, Turbidites |  | | Journal (article/letter/editorial) | | Geological Sciences, University of Oregon, OR 97403, USA. Late Permian (early Tatarian, 258 Ma) palaeosols...buried than other parts of the Sydney Basin (Middleton 1993). Overlying Upper Permian to Middle Triassic...Basin gives maximum temperatures of some 170°C (Middleton 1993). Illitisation would be expected under such...(values >2.3, <0.42, <181 respectively: Frey 1987). Laumontite cement indicates zeolitisation (Raam 1968), but...Wales 106, 287–297. CARR P. F., JONES B. G. & MIDDLETON R. G. 1989. Precursor and formation of glendonites |
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