 | | Book (edition) | | with morganite crystals and quanz, from the Tourmaline Q ueen .1ine, Pala, San Diego County, California...NoSTRA.'-D Rrn,'HOLD AUSTRALIA PTY. LTD. 17 Queen Street Mitcham, Victoria 3132, Australia V.-\..'- NOSTR.-\...negatives of the photographs he has taken on numerous field trips; many of the prints from these negatives appear...ANT GEMSTONES The Feldspar Group, Spodumene, Tourmaline, Sodalite, Olivine (Peridot), Turquois, Prosopite... List of Illustrations Frontispiece. Drawing of tourmaline and morganite group 1. Crater of Diamonds, Arkansas |  | | Journal (issue) | | ....... 656 by Wu Huixin COVER: AUTUNITE on TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais...systematically arranged. Lieber traveled widely and field-collected at many localities in the U.S., Germany...Britain, Hungary, Yugoslavia, Romania, Ceylon, Australia (including Tasmania), China, South Africa, Namibia...Pocket, Namibia 12.0 x 6.8 x 6.7cm Rhodochrosite Tourmaline with Cleavelandite N Chwaning I Mine, South Africa...mines became most famous among collectors for tourmaline and beryl in the 1960s, thanks to the discovery |  | | Book (volume) | | collectors can use both volumes as a guide during their field trips in search of gems, for there is complete information...Nostrand Reinhold Australia Pty. Ltd. 17 Queen Street Mitcham, Victoria 3132, Australia Van Nostrand Reinhold...Alaska, provided data on gemstones found in that region; the Southern Onyx and Marble Company of San Diego...well-known Texas agate localities of the Alpine Region were described in detail by J. Frank Woodward...assisted, and encouraged me on virtually every field trip taken. Without his intimate knowledge of many |  | | Report (issue) | | ··--------- ------------------------- 43 18 Pegmatite pod- elongated parallel to mica lineation ------------------...analyses of biotite-plagioclase gneisses from Reed Creek and Smith Districts --------------------------------...the writer in the field and made numerous useful suggestions. Expenses for the field work which extended...underlain by biotite granodiorite gneiss in the Shoal Creek District, differs from areas underlain by the metasedimentary...Acquires Fe-coating- Remarks + + + Staurolite Tourmaline +? + Crumbly, has yellow clay in fractures |  | | Report (chapter) | | area . Lucy pegmatite. Results of the drill program . ..... . .. . . . Artdon pegmatite Subsurface pegmatite..... . . ... . . Molly and Bendum claim s Deer pegmatite , West Hawk Lake. . . . . . . . . . . . . . ....Lake .. ... . . . ... ..... .. . . . . . Beryl pegmatite north of Telford. 7 7 9 9 12 12 12 15 16 17 17...Lake/Cat Lake areas General statement 19 19 Pegmatite dykes in the Pointe du Bois area (Lac du Bois...Lamprey Falls) Lac du Bois pegmatite K-1 pegmatite . Lucky NO.3 pegmatite Pine claim , Winnipeg River |  | | Report (volume) | | Creek___________:____________________ 61 Grouse Creek _____________________ ________ 62 Fairhaven district_____________...ILLUSTRATIONS. Page. PLATE I. Topographic map of tin region, showing location of metalliferous prospects ___...Banded apophysis from garnet-vesnvianite mass on Tin Creek ; B, Orbules in marble matrix, showing mode of origin____...across Lagoon Creek, Cape Mountain________ 7. Geologic sketch map of Cassiterite Creek and vicinity______... Since the discovery of stream tin in the York region by the Geological Survey in 1900 the tin deposits |  | | Book | | Major monumental stone processors in southeastern Australia Granites with dimension stone potential, Victoria...production of each commodity, with the emphasis on Australia, is included to enable Victoria's known deposits...placed in the context of their importance to Australia and the world. Victorian production Past and...World production of barite in 1992 was 4.9 Mt; Australia producing just 0.4% of this total, or 22,000 t...Oraparinna and Dunbar in the Flinders Ranges region of South Australia. The deposits occur in vein systems with |  | | Journal (issue) | | Titanite and epidote deposits of the Capelinha Region, Minas Gerais, Brazil ...........................for two summers, subleasing the Royal Peacock, Northern Lights and Myers claims (he wrote a chapter on...Museum Professionals) in 1983, served as the Northern Field Representative of the Nevada Outdoor Recreation... DANIEL TRINCHILLO | w w w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals...TITANITE AND EPIDOTE DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 Carlos |  | | Journal (article/letter/editorial) | | Tools and Workflows for Grassroots Li–Cs–Ta (LCT) Pegmatite Exploration Benedikt M. Steiner Camborne School... This paper reviews the main controls of LCT pegmatite genesis relevant to mineral exploration programs...regional areas, initial targets are verified in the field by geological mapping and geochemical sampling....as industrial mineral deposits. Keywords: LCT; pegmatite; lithium; exploration; targeting 1. Introduction...decades research into rare metal Li–Cs–Ta (LCT) pegmatite mineralisation has predominantly focused on the |  | | Report (issue) | | 15th DJST., DeKALB COUNTY, GEORGIA, SHOWING PEGMATITE DIKE IN MICA SCHIS'.r. FRONTISPIECE GEOLOGICAL...and a second detailing the nature of the rock pegmatite and the uses, values, and the like, of its most...information was obtained .at first hand either in the field or from laboratory study. The remainder has been...LIS'J' OF ILLUSTRATIONS CHAPTER I. iii iv PEGMATITE . . . . . • • . . . . . . . . . . . . . . . ....110, 15th Dist., DeKalb County, Ga., showing pegmatite dike in mica schist Frontispiece PLATES FACING |  | | Journal (issue) | | localities and also localities worldwide. His favorite field-collecting sites ran the gamut from British Columbia...Missouri Minerals. He would often spend summers field collecting with a local minister, Durban Thorpe...group involved in mineral collecting; they took field trips to the Mesa Grande district, the Crestmore...maintained his mineral hobby, leveraging his time in the field near excavation projects to collect mineral specimens...Gazers, the San Mateo Gem & Mineral Society, the Northern California Mineralogical Association, the Sequoia |  | | Report (issue) | | Climate and vegetation 16 work Acknowledgments Field 1 17 17 ~ GEOLOGIC FEATURES Previous investigations...Escondido Creek leucogranodiorite __ Roblar leucogranite Other intrusive bodies Pegmatite and aplite...and Tertiary rocks of the San Diego coastal plain region Cretaceous system Tertiary system _ Paleocene rocks...associated pyroclastic and sedimentary rocks Fish Creek gypsum Tertiary system Miocene-Pliocene rocks...Fluorine minerals ._ Gem minerals Gem-bearing pegmatite deposits Distribution and general features Summaries |  | | Journal (issue) | | from granitic pegmatites and detrital deposits. Tourmaline-bearing pegmatites, which commonly are lensshaped... as are the crystals that they contain. The tourmaline-bearing pegmatites mainly consist of K-feldspar...different localities. The main area producing tourmaline is the 'Eastern pegmatitic province' of Minas...maps of specific areas show the location of the tourmaline deposits, and their regional zonation and age...generally by hand, are discussed. Weathering of tourmaline-bearing pegmatites produces detrital deposits |  | | Journal (issue) | | Auguste & G. Bonin Fluorite from Riemvasmaak, Northern Cape Province, South Africa . . . . . . ...larryrush@worldnet.att.net, and supplying their name, region, email address, interest in trading or selling...establishing a School of Mines in Tucson, Arizona Territory, in 1885. The main building opened for classes...com.br The Sapo mine exploits a thick sub-horizontal pegmatite that was discovered in 1985 and has produced...quartz crystals, several important pockets of tourmaline and, recently, two large cavities containing |  | | Report (volume) | | Texture of granitic rocks___________ ________ 17 Pegmatite ___________..__________ _ _____ 18 Porphyry______________...Granite dikes________________________________ 48 Pegmatite dikes_______________________________ 48 Aplite...Method____________________________________ Fail-field County______________________________ Bridgeport..._____ 79 Norcross quarry _________. _ 79 Stony Creek quarry ______________ 82 Brooklyn quarry ______________________...of the trade) from the Norcross quarry at Stony Creek; B, Obelisk of hammered pegmatitic biotite granite |  | | Book | | McReath Spine photograph: Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro...Fineart Print Inside cover photographs: "Parafba" tourmaline (25 x 6 mm), Sao Jose da Batalha, Parafba. Courtesy...Photograph taken by Marcelo Lerner. Rubellite tourmaline and cleavelandite (81 x 46 mm), Lavra do Jonas...Illustration on the right-hand page: Elbaitc tourmaline with albitc (.30 J/. 24 mm), Lavra do Cruzciro...green berl,I 493 Tourmaline, t 1e rainbow stone 496 The magic colors of elbaite tourmaline 500 The habits |  | Breiter, K., Ďurišová, J., Hrstka, T., Korbelová, Z., Vašinová Galiová, M., Müller, A., Simons, B., Shail, R.K., Williamson, B.J., Davies, J.A. (2018) The transition from granite to banded aplite-pegmatite sheet complexes: An example from Megiliggar Rocks, Tregonning topaz granite, Cornwall. Lithos, 302. 370-388 doi:10.1016/j.lithos.2018.01.010 | Journal (article/letter/editorial) | | The transition from granite to banded aplite-pegmatite sheet complexes: An example from Megiliggar rocks...The transition from granite to banded aplite-pegmatite sheet complexes: An example from Megiliggar rocks...The transition from granite to banded aplite-pegmatite sheet complexes: an example from Megiliggar Rocks...grain size differences between the aplite and pegmatite MA could be related to pressure fluctuations...undercooling. D Key words: granite; aplite; pegmatite; magmatic layering; Megiliggar Rocks; Cornwall |  | | Journal (issue) | | 2023 Articles Minerals of the Espirito Santo Pegmatite District, Eastern Brazil.. ......697 by M. L....frequent trips to the northeastern region of Minas Gerais looking for pegmatite minerals. Thus, his collection...be the epitome of quality and rarity in its own field. It would be a sort of “collection of collections”...newest exhibit. WEW 689 DANIEL TRINCHILLO TOURMALINE WITH LEPIDOLITE Cruzeiro Mine, Brazil 16 cm ...MINING VENTURES Minerals of the Espirito Santo Pegmatite District Eastern Brazil Mario Luiz de Sá C. Chaves1 |  | | Journal (issue) | | crystals from the Mud Tank Carbonatite, Northern Territory, Australia ......................................Montgomery was introduced to Edwin Over, another field collector, by Harvard mineralogist Charles Palache...mineral specimens; sometimes they worked in the field together, but much of the time Over worked alone...conducting research, publishing numerous bulletins, field guides, and memoirs, all while building the college’s...Had Montgomery become interested in some other field, such as fossil collecting and paleontology, he |  | Gourcerol, B., Gloaguen, E., Melleton, J., Tuduri, J., Galiegue, Xavier (2019) Re-assessing the European lithium resource potential – A review of hard-rock resources and metallogeny. Ore Geology Reviews, 109. 494-519 doi:10.1016/j.oregeorev.2019.04.015 | Journal (article/letter/editorial) | | enrichment. Keywords: lithium, metallogeny, pegmatite, Europe, resources 17 18 Abstract 19 Lithium...area of about 63 400,000 km2 from northern Argentina and northern Chile to western Bolivia (Ericksen...lithium-cesium-tantalum (LCT) pegmatites in the Greenbushes (Australia) have been mined for 77 decades by Talison Lithium...production historically has been dominated by Australia (e.g., Greenbushes deposits), 79 South America...Li metal 80 produced in 2016, 39% came from Australia, 32.8% from Chili, 15.6% from Argentina and 5 |  | | Report (volume) | | Special features_____________________________ Pegmatite dikes in groups____________________ Muscovite...granite gneiss, Milford, N. H.; B, Diorite with pegmatite dike cut by diabase dike, Round Pond, Maine____________________...biotite granite gneiss, Norcross quarry, Stony Creek, Conn.; B, Obelisk of hammered .pegmatitic biotite...biotite granite gneiss, Norcross * quarry, Stony Creek, Conn__l______________ KX) XXXI. A, Coarse porphyritic...Mass ___________________ _________________ 3. Horizontal section of diabase dike in Deep Pit quarry, Rockport |  | | Journal (article/letter/editorial) | | silica gel state during the formation of a simple pegmatite R. THOMAS1,* 1 2 AND P. DAVIDSON2 German Research...Ore Deposits, University of Tasmania, Tasmania, Australia [Received 29 May 2012; Accepted 5 October 2012;...relationship to the latter and to the formation of the pegmatite bodies is discussed. The silicate gel inclusions...water and alkali carbonate concentrations in the pegmatite-forming liquid, and an accompanying tendency for...origin of the alkali-carbonate concentrations in pegmatite-forming fluids is also briefly discussed. K EY WORDS |  | | Report (issue) | | Geology of the Blue Mountains Region of Oregon, Idaho, and Washington: The Idaho Batholith and Its Border...PROFESSIONAL PAPER 1436 Geology of the Blue Mountains Region of Oregon, Idaho, and Washington: The Idaho Batholith...Professional Paper 1436. Geology of the Blue Mountains region of Oregon, Idaho, and Washington) Includes bibliographies...1436. IV. Series: Geology of the Blue Mountains region of Oregon, Idaho, and Washington. QE611.5.U6133...work that has been completed in the Blue Mountains region and to emphasize the region's importance for understanding |  | | Journal (issue) | | matlockite appear to have a reasonably large stability field in the conditions that might be ex-peeredduring... (1923-2004) talk to people. Even when out on field trips John would always try to explain to sometimes...of specimen photography: resolution and depth of field. Conventional photography at high magnification...better, but only in the plane of focus. The depth of field is so small that everything outside the plane of...this technique, images with an acceptable depth of field can be produced for printing at linear magnifications |  | | Journal (article/letter/editorial) | | ............................................ Pegmatite micas........................................................................... Granite and pegmatite relationships...................................with pegmatite feldspars................................ Granite micas compared with pegmatite micas...Map of qualitative spectrographic analyses of pegmatite micas.................... Page 1049 1050 1051...minor elements than the adjaceilt pegmatites and pegmatite minerals; when the same element was found in both |
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