 | | Report (issue) | | A note on newly discovered kimberlites in Riley County, Kansas William L. Mansker, Bill D. Richards, and...petrography of the Twin Knobs ttl lamproite, Pike County, Arkansas . 205 Michael A. Waldman, Tom E. McCandless...Potash Sulfur Springs igneous complex, Garland County, Arkansas Robert E. Zartman and J. Michael Howard...Balcones province, Texas . 293 D. S. Barker, R. H. Mitchell, and D. McKay Contents Slickrock Mountain intrusive...or lamproite hosts (cf. Richardson’s dating of a garnet inclusion in diamond at 3,200 Ma. Suggested new |  | | Journal (issue) | | I / V I Jl \ j l Wayne & Dona Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 926!: ,|...Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Volume Thirty, Number Five Articles The Mex-Tex mine, Bingham, N ew M exico............................Van Pelt. Long thought to be from the "Sapucaia mine," this speci men and others (representing the first...quartz crystals) actually came from the Berilo Branco mine. See the article beginning on page 361.___________ |  | | Catalog/List | | founder of Newmont Mining and owner of the Tsumeb mine. Upon his demise, it lent its considerable charm...SMOKY QUARTZ Brazil A fine, large Smoky Quartz group of mountain-like form, comprised of multiple intergrown...highly distinctive lighted objet d’art. The crystal group has been set into a vari-colored granite ‘jacket’...FLUORESCING WILLEMITE WITH CALCITE SPECIMENS Sterling Hill Mine and Franklin area, Sussex Co., New Jersey Willemite...(14 x 7.6 x 4.4 cm), from the famed Sterling Hill Mine, it is a large exposed Willemite face, with a thinner |  | | Journal (issue) | | Madagascar|Emerald and pyrite mixture from Colombia|Garnet from Mahenge, Tanzania|Grandidierite from Madagascar|Lalique...spinel|Spurrite from New Mexico, USA|Tsavorite mining at the Scorpion mine, Kenya|Mussel pearls from the...Heasley Museum, Cornell University, Ithaca, New York, USA; composite photo by Jeff Scovil. Feature Articles...Edward Boehm, RareSource, Chattanooga, Tennessee, USA; Alan T. Collins, King’s College London; John L....Emmett, Crystal Chemistry, Brush Prairie, Washington, USA; Emmanuel Fritsch, University of Nantes, France; |  | | Catalog/List | | “The Tower or Mirrors”. • The Himalaya Tourmaline group aptly named “The Beer Cans”. • A special offering...specimens, including “The Helmet” from the HillLedford Mine that is an American Mineral Treasure. • An extremely...Little Green Monster Mine, Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA That the Variscite...two of them established the Little Green Monster Mine (circa 1936-1940). They were the first to bring...“bleaker” or a “starker,” it can be agreed that the mine that furnished this unusual specimen is pretty much |  | | Report (issue) | | COVER PHOTO : Gold nugget from Dukes Creek, White County, weight 5 oz., 12 dwt., approx. 2x. BACK COVER...approx. 1.5x. Lower left - Goethite from Pulaski County, approx. lx. Right - Magnetite crystal face showing.......................................... 111 Garnet Group ................................................................................ 118 Axinite Group ......................................................................... 119 iii Page Axinite Group ............................................... |  | | Report (issue) | | L COVER Left: Betafite crystals, Silver Crater Mine, Cardiff. Specimen measures 6 cm by 4 cm by 3 cm...occurrence Davis Hill occurrence Princess sodalite mine Vardy quarry Golding-Keene quarry Egan Chute occurrences...corundum occurrence Childs Mine Rankin Mine Bessemer (Mayo) Mine Ruby (Jewell Ruby) Mine Bancroft to Maynooth...McCormack Mine Watson Mine Cairns Mine Plunkett Mine MacDonald Mine Woodcox Mine Genesee No. 2 Mine · Thompson...Thompson Mine Hickey Mine Selby Hill sunstone occurrence National Graphite Mine McKenzie Lake Mine Bancroft |  | | Journal (issue) | | Members’ Audit Committee: A. J. Allnutt, P. Dwyer-Hickey, J. Greatwood, G. M. Green, B. Jackson, D. J. Lancaster...Chairmen: Midlands – P. Phillips, North East – M. Houghton, North West – J. Riley, Scottish – B. Jackson...of the available daylight from the large area of North facing windows, and ceiling mounted fluorescents...is at odds with the widespread prescription for north daylight equivalent (6500 K) lighting (Bruton, 1978)...including the total average error in comparing the group of four sets from each manufacturer, do indicate |  | | Journal (issue) | | Deeks, A.E. Farn, R.A. Howie, D.G. Kent, R.K. Mitchell Honorary Fellows: Chen Zhonghui, R.A. Howie, K...Members' Council: A.J. Allnutt, S. Burgoyne, P. Dwyer-Hickey, S.A. Everitt, J. Greatwood, B. Jackson, L. Music...Winter Branch Chairmen: Midlands - G.M. Green, North West - D. M. Brady, Scottish - B. Jackson, South...Koivula, 1999), from Alabama, USA (Fryer et al, 1985) and from California, USA (Koivula and Kammerling, 1990)...multi-stars in other minerals, especially in spinel and garnet, on the other hand, is well understood (Switzer |  | | Journal (article/letter/editorial) | | 2003, 21, 253–268 Strain rates from snowball garnet C . B I E R M E I E R A N D K . S T Ü W E Department...stuewe@uni-graz.at) ABSTRACT Spiral inclusion trails in garnet porphyroblasts are likely to have formed due to...European Alps as an example. The rotation rate of garnet porphyroblasts was determined using finite element...using the major and trace element distributions in garnet crystals, thermodynamic pseudosections and information...Key words: grain growth; rotation rate; snowball garnet; strain rate; trace element zoning. INTRODUCTION |  | | Journal (issue) | | Vice-Presidents: E.M. Bruton, A.E. Farn, D.G. Kent, R.K. Mitchell Honorary Fellows: R.A. Howie, R.T. Liddicoat...Watson Members' Council: A). Allnutt, P. Dwyer-Hickey, R. Fuller, J. Greatwood, B. Jackson, ). Kessler...Winter Branch Chairmen: Midlands - G.M: Green, North West - I. Knight, Scottish - B. jackson Examiners:...in). Figure 3: Gem collection at the Andranondambo mine by one of the authors (EG) in early 1996. 389 ...village of Andranondambo, approximately 100 km north-north-east of Fort Dauphin (Figures 1 and 2). This |  | | Catalog/List | | com Marsha Dixey, Ext. 1455 MarshaD@HA.com John Hickey, Ext. 1264 JohnH@HA.com Michael Riley, Ext. 1467...IsaiahE@HA.com SPACE EXPLORATION HA.com/Space John Hickey, Ext. 1264 JohnH@HA.com Michael Riley, Ext. 1467...800-872-6467 | Doug Norwine, Ext. 1452 DougN@HA.com John Hickey, Ext. 1264 JohnH@HA.com Garry Shrum, Ext. 1585...virginianus This is a beautiful full shoulder mount of a North Texas White-tail Buck with superior quality taxidermy;...a smaller-bodied Deer than its relatives in the North. Their beautiful silver-gray colored capes compare |  | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and...inosilicate supply and use. . . . . . . . . . . . . . Garnet . . . . . . . . . . . . . . . . . . . . . . . ...Chemistry and mineralogy of garnet-group minerals . . . . . . . . 45.2. Magmatic garnet deposits . . . . . . | | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . . . Platinum group elements (PGE) . . . . . . . . . . . . . . . . ...platinum-group-element deposits . . . . . . . . . . . . 6.3. Structure-related platinum-group-element...Sedimentary platinum-group-element deposits . . . . . . . . . . 6.5. Platinum-group-element supply and...inosilicate supply and use. . . . . . . . . . . . . . Garnet . . . . . . . . . . . . . . . . . . . . . . . ...Chemistry and mineralogy of garnet-group minerals . . . . . . . . 45.2. Magmatic garnet deposits . . . . . . |  | | Journal (issue) | | Bruton Vice-Presidents AE. Farn, D.G. Kent, RK. Mitchell Honorary Fellows R.T. Liddicoat [nr., E. Miles... Watson Members' Council AJ. Allnutt, P. Dwyer-Hickey, R. Fuller, B. Jackson, J. Kessler, G. Monnickendam...CH. Winter Branch Chairmen Midlands: J.W. Porter North West: 1. Knight Scottish: J. Thomson Examiners AJ...more than 200 kilometres from the classical ruby mine at Mogok (Hlaing, 1991; Jobbins, 1992; Jobbins etal...(Figure 7a). However, direct field work at the primary mine in Mong Hsu was not possible because of security |  | | Journal (issue) | | Notes Large kunzite from Brazil| Marble-hosted ruby mine, Mogok, Myanmar|Secondary gem deposit in Mogok,...sapphires|Tourmaline from the Havey quarry, Maine, USA| Greenland tugtupite|Orange zircon from Myanmar|Glass...Edward Boehm, RareSource, Chattanooga, Tennessee, USA; Alan T. Collins, King’s College London; John L....Emmett, Crystal Chemistry, Brush Prairie, Washington, USA; Emmanuel Fritsch, University of Nantes, France;...E. Post, Smithsonian Institution, Washington DC, USA; Andrew H. Rankin, Kingston University, Surrey; George |  | | Journal (issue) | | Andradite from Arizona, USA | Bobdownsite | Orange lizardite | Large quartz from Arkansas, USA | Gold-included...spessartine inclusion | Tourmaline from the Cruzeiro Mine, Brazil | Natural diamond showing a ‘synthetic’...Edward Boehm, RareSource, Chattanooga, Tennessee, USA; Alan T. Collins, King’s College London; John L....Emmett, Crystal Chemistry, Brush Prairie, Washington, USA; Emmanuel Fritsch, University of Nantes, France;...E. Post, Smithsonian Institution, Washington DC, USA; Andrew H. Rankin, Kingston University, Surrey; George |  | | Journal (issue) | | Committee: A. J. Allnutt, J. W. Collingridge, P. Dwyer-Hickey, J. Greatwood, G. M. Green, B. Jackson, D. J. Lancaster...Chairmen: Midlands – P. Phillips, North East – M. Houghton, North West – D. M. Brady, Scottish – B. Jackson...(Figure 8). There is also another small, irregular group of similar inclusions. A prominent colourless linear...mineral believed to be halite (H). Figure 11: Group of irregular three-phase fluid inclusions with vapour...and associated Sc-bearing minerals from Ravalli County, Montana. Can. Mineral., 31, 337-46 Gramaccioli |  | | Journal (issue) | | ..... 13 by R. B. Gibbs The Stephenson-Bennett mine ..................................................Foord Fluorite from the Pine Canyon deposit, Grant County, New Mexico .............................................................. 47 by R. M . North & R. S. DeMark Mina Tiro Estrella .......................Hanson Ilmenite expitaxial on bixbyite from Sierra County, New Mexico ...................................................................... 65 by R. M . North What's new in minerals? ...................... |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...some species have been relegated to group names (e.g., monazite group); others have had element designations...the zeolite minerals, where chabazite is now a group name with five species who differ only in the major...International Mineralogical Association (IMA), changed to a group name, or renamed by changes in nomenclature as mineral...edu) is located in the old Pima County Courthouse building at 115 North Church Avenue in downtown Tucson |  | | Journal (issue) | | Ph.D., F.Inst.P., FGS Vice-Presidents: R. K. Mitchell A.E. Farn D.G. Kent E. M. Bruton Council of Management... Harding A. J. Allnutt P. J. E. Daly P. Dwyer-Hickey R. Fuller, B. Jackson G.H. Jones Members' Council...Branch Chairmen: Midlands Branch: D.M. Larcher, North-West Branch: I. Knight Examiners: A. J. Allnutt...grossular variety is known as hesmany valuable garnet occurrences, not only of © Copyright the Gemmological...structural-geomorphological trend parallel to the north-north-east to southsouth-west elongation of the Eastern |  | | Book (edition) | | four seg¬ ments or subfiles: (N) Bibliography of North American Geology (publications from 1785-1970) (G)...Bibliography and Index of Geology Exclusive of North America (published from 1933-1968) (B) Bibliography...that in the early volumes of the Bibliography of North American Geology, edited by John M. Nickles and...commonly have several variants, such as Great Smoky Group, Great Smoky Conglomerate, Great Smoky Formation...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United |  | | Journal (issue) | | 187 Peñas Blancas: An historic Colombian emerald mine R. Ringsrud and E. Boehm 251 Book review 254...Cover Picture: A pair of ancient cameo carvings in garnet. The Hellenistic pyrope-almandine carving on the...the earliest dated extant cameo carvings in gem garnet. On the right is a pyrope cameo of the head of... Allnutt, H. Bank, T.M.J. Davidson, P.R. Dwyer-Hickey, G.M. Green, R.R. Harding, J.S. Harris, J.A.W....Whittaker Branch Chairmen: Midlands – G. Kettle, North East – M. Houghton, South East – V. Wetten, South |  | | Journal (issue) | | Vice-Presidents: A.E. Farn, R.A. Howie, D.G. Kent, R.K. Mitchell Honorary Fellows: Chen Zhonghui, R.A. Howie, R...Watson Members' Council: A.J. Allnutt, P. Dwyer-Hickey, S.A. Everitt, A.G. Good, J. Greatwood, B. Jackson...Winter Branch Chairmen: Midlands - G.M. Green, North West - I. Knight, Scottish - B. Jackson, South West...of jadeite was discovered at Longkin worksite, north of323 Pharkant mining district, northern Myanmar...which are said to be very close to the chrysocolla mine (see p.330). The RI of the pink opal is 1.45 1.49 |  | | Journal (article/letter/editorial) | | August 1999 Abstract Major and trace elements in garnet may be used to characterize P–T–t paths in orogenic...unlikely times for garnet growth. Duplicate analyses precisely date growth of the garnet cores, which X-ray...before resorption and rim development. This initial garnet growth may be linked to early crustal extension...Pangaea break-up. These results reaffirm the value of garnet in the integrated study of polymetamorphic orogenic...Science B.V. All rights reserved. Keywords: garnet group; chronology; Sm–Nd; absolute age; P–T conditions; |
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