 | | Journal (article/letter/editorial) | | zones, West Santa Comba-Fervenza Area (Galicia, NW Spain): A mineralogical study R. Castroviejo E.T.S...Polit6cnica de Madrid), c/ Rios Rosas, 21 - 28003-Madrid (Spain) Received: May 1989/Accepted: September 6, 1990...terranes, some 40 km NW of Santiago de Compostela (NW Spain). The orebodies are bound to late-stage Hercynian...Ore mineralogy, alteration, and ore textures define a frame whose main features are common to all prospects...jamesonite, chalcopyrite, marcasite, galena, sphalerite, rutile, titanite, scheelite, beryl, fluorite |  | | Journal (article/letter/editorial) | | published by the Canadian Geological Survey. He enclosed a photocopy of "New Occurrences of Minerals in Parts...Sabina which appeared in Report of Activities, Part A, Geol. Surv. Can. Paper 77-1A (1977). Some of the...just north of highway # 500 in the Bancroft area. A second occurrence is found in the road cuts along...millimeters. Asso ciated minerals include brucite, a serpentine, yel low to orange clinohumite, colorless...borite crystals in limestone with norbergite and a peach-colored tourmaline. Road cuts in Minden and |  | | Journal (article/letter/editorial) | | ANSWERS ABOUT ROCKS ROCK CHIPS R. D I R K T I T A M G I M Questions for this column are welcome. Please...that you have said that you thought you could find a diamond in the Great Lakes region if you really wanted...did, how did you do it?. ANSWER: 1. Yes. 2. Yes, a couple of sand-grain-size diamonds. 3. The procedure...and requires no elabo rate equipment other than a microscope. To get results, however, it may require...occurs in the red as well as the black sands, with a magnet. Third: Put the remaining grains in an index |  | | Catalog/List | | for packing, carriage or postage. We try to include a wide selection in terms of species, sites and price...Show venues in order to ‘give you sight’ of as wide a variety as we can of our very large stock (currently...condition, of unsatisfactory material. Where available a close substitute will be offered unless otherwise...you want, remember, our lists can only represent a tiny fraction of current stock. IVER HEATH MINERAL...brecchiated Shilale/Siderite matrix. •B'. Specimen 'A*. 5x2-Jx1-J", £5-50. 'Z ‘_ 2£x2x1", £4.25. ALMANDINE |  | Lv, Zihu, Cheng, Hongwei, Wei, Min, Zhao, Dengkui, Wu, Dongyin, Liu, Changmiao (2022) Mineralogical Characteristic and Beneficiation Evaluation of a Ta-Nb-Li-Rb Deposit. Minerals, 12 (4) 457 doi:10.3390/min12040457 | Journal (article/letter/editorial) | | Mineralogical Characteristic and Beneficiation Evaluation of a Ta-Nb-Li-Rb Deposit Zihu Lv 1,2,3 , Hongwei Cheng...Mineralogical Characteristic and Beneficiation Evaluation of a Ta-Nb-Li-Rb Deposit. Minerals 2022, 12, 457. https://doi...Abstract: In order to rationally develop and utilize a Ta–Nb–Li–Rb rare metal deposit in Jiangxi Province...found primarily in feldspar and zinnwaldite, both in a homogenous distribution. The beneficiation evaluation...gravity, magnetic, and flotation separation methods. A staged grinding and separating process was adopted |  | | Journal (article/letter/editorial) | | 1134/S1028334X10120081 A smallscale (1 : 1 000 000) and mediumscale (1 : 200 000) geological survey revealed a family...terrigenous rocks, thin carbonate injections form a system of retic ulate–comb structures with altered...crossing injection contacts, and their bodies, which are a few tens to hundreds of meters across, are lentic...Petersburg, 199106 Russia email: vsgdir@vsegei.ru necks (a few tens of meters in diameter) with injec tions...with albite–carbonate mate rial. Metadolerite xenoliths ranging in size from a few to >10–15 cm, sometimes |  | | Journal (article/letter/editorial) | | depositsin which native silver is a fairly common constituent' show a characteristic association of nickel...silver. Such an association has been observed in a number of localities and describedby various writers...the silver deposits in the Erzgebirge of Europe. A similar association in the mines of the Cobalt district...Bear Lake district have been studied by Kidd2 where a similar association is noted. Piepoli3 has described...associated with similar arsenides and with galena, sphalerite, chalcopyrite and pyrite. 1 Bastin, E. S., Primary |  | | Book | | Introduction Guide for Identification 7 HOW TO FIND A PARTICULAR MINERAL 8 The Rapid-ldent1ficat1on Systen...specific gravity These properties are displayed in a multicolored bar on the left margin of the descriptive...be identified or can- up to a point at leastbe classified as belonging to a particular group. The book...extensive index, this makes the book not only a field guide but also a good reference work. The glossary carries...market. In fact only a few hundred minerals in the world are found in abundance, are in a condition worthwhile | | | Book | | PREFACE 6 ORGANIZATION Introduction 7 HOW TO FIND A PARTICULAR MINERAL The Rapid-Identification System...specific gravity These properties are displayed in a multicolored bar on the left margin of the descriptive...this makes the gin bar. book not only a field guide but also a Countless minerals that were previously...to a point at least— explained in the text. Other concepts are be classified as belonging to a particular...well over 500 entities have been graphed in such a way that the reader will carefully chosen. be able |  | | Book | | /STATE PARK ^JAIIamuchy^1Lockwood i •V (A Landing / 8 03 i ; a STEPHEN’S : * STATE park [46: 3 ur*...by the writer of “Collecting Fluorescent Minerals” a regular column in Rocks and Minerals magazine Robert...Numbers 30 and 31. Since publication of this book a number of significant events have occurred at Franklin...collecting information, add notes on the minerals, and add a special new section which treats the above mentioned.............. Smithsonite .................... Sphalerite........................ Svabite ............ |  | | Journal (article/letter/editorial) | | Endogenic ore zonation in a volcanogenic goldsilver deposit A. N. Nekrasova , A. A. Krasil'nikov & G. P....article: A. N. Nekrasova , A. A. Krasil'nikov & G. P. Denim (1980) Endogenic ore zonation in a volcanogenic...June 2016, At: 04:04 Endogenic ore zonation in a volcanogenic gold-silver deposit Downloaded by [The...gold-silver asso ciation, normally characterized by a small vertical range in mineralization and uneven...mineral composition in extreme detail, and to identify a series of rarely encountered and little-studied minerals |  | | Journal (article/letter/editorial) | | of colloform isticfor colloidsis observed.At last,a cryptocrystaltexturesin sphaleriteores," Ecoa. GEo•...colloidaltransport. The latter symptoms conclusions become a "self-evident truth" for the observedmainly in brunckiteare...the field of colloid textures has been factsfrom a particularore deposit. shifted to the ores showingno...of almost all thesetexturesshouldnot be regardedas a transiEuropeanore depositsof this type, as well as...samples ot• the sphalerite ores, and describesthem as colloformtextureswith quotation evenwithin a wholeore |  | | Catalog/List | | "Endsleigh'', 50 Daniell Road, Truro, Cornwall, TR1 2D A. Telephone: Truro 223227 NEWS AND INFORMAT8ON The...popular. A new selection of rare cut gemstones is therefore offered. Iver Heath Show was a great success...inexpensive items. We do reserve the right to make a small charge to cover Bank Charges, we pay on the...00. 4. ANGLESITE. Tsumcorp Hine,0tavi,Namibia. A single matrix-free terminated colourless transparent...x 50mm x 50mm. £5.00. ANTIMONY. Montril,Granada,Spain. Small rare reference specimen of crystalline native |  | | Journal (article/letter/editorial) | | Trains at Au–Ag Mineral Deposits R. G. Kravtsova, L. A. Pavlova, and Yu. I. Rogozina Vinogradov Institute...modes of occurrence of the indicator elements of a certain mineralization type [1–3]. We pioneered such...mineral deposit, and this type of ore mineralization as a whole. The Dukat deposit has the largest Ag reserves:...native Ag, kustelite, pyrargyrite, electrum, and, to a lesser extent, sternbergite, proustite, polybasite...stephanite. Widespread ore minerals are galena and sphalerite, other ore minerals are pyrite, chal copyrite |  | | Journal (issue) | | ea. AGATE SLABS. From Mexico or Brazil. These cut a full Va" thick and containing choice banded agate...2x3" $2.75 CHALCOPYRITE, SPHALERITE, Okla. Large deep red to near black sphalerite crystals sprinkled with...250 ea. Va" @ 350 ea. 1" @ 500 ea. We'll send along a selection of the various colors if you wish. BROOKITE...750, 1x2" $1.25, 2x2"$2.00, 2x3" $2.75, 3x4" $5.50. A few larger available. HYDROZINCITE, Mina Ojuela, Mapimi...EAST MICHIGAN STREET INDIANAPOLIS, INDIANA • 46201 A ROCKS and MINERALS OFFICIAL JOURNAL Official magazine |  | | Journal (article/letter/editorial) | | Pine Point Formations, which "... comprisepart of a broad barrier carbonate buildup..." (Jacksonand Folinsbee...from Great Slave Lake into Alberta (Fig. 1) along a major fault zone in the importanceof basin brines...that tion of 31øE to make quick conversion indicate a simple, single-stagehistory for the lead, sired" directionvery...mateSasaki and Krouse (1969) have shown that the rial found in the Tri-State district (Stoiber, 1946)...Pine Point. The brineshave a close determine the direction of movement of a solution 19 20 KESLER,STOIBER |  | | Journal (article/letter/editorial) | | ADVERTISEMENTS W O R L D ' S BEST W A N T A D . M E D I U M FOR M I N E R A L S Rate 12< per word; minimum...month. FOSSILS O P E N I N G N E W FOSSIL SHOP — W a n t e d Fossils - Minerals - T u m b l i n g material...M I N E R A L C A T A LOG 301 — Largest stock of f i n e fossils in N o r t h A m e r i c a . Equipment...Geological Enterprises, Box 9 9 6 , A r d m o r e , Okla. 7 3 4 0 1 . S A N D — Sand containing small fossilized...contain a m i n i m u m of 2 teeth per V 2 lb. V i lb. $ 1 . 0 0 . Sandy May, 2 6 1 3 Manor A v e . , |  | | Journal (article/letter/editorial) | | can be expanded by 304 pages with the addi tion of a newly published descriptive volume— Mineralogy of...color photos of speci mens described in the text. A chapter written by M. L . Anne reviews the development...mineralogists working on Pennsylvania minerals to present a comprehensive treatment of such "new" species as babingtonite...celestine, fluorite, and sphalerite are similarly treated. The chlorite group is covered in a chapter by J . H...the level of mate rial is quite variable, some technical, most non technical, and a glossary is included |  | | Journal (article/letter/editorial) | | CLASSIFIED ADVERTISEMENTS WORLD'S BEST W A N T A D . M E D I U M FOR MINERALS Rate 12< per word; minimum...month. FOSSILS TRY A N AD only 12c a word ILLUSTRATED FOSSIL fr M I N E R A L C A T A LOG 3 0 * — Largest...9 9 6 , Ardmore, Okla. 7 3 4 0 1 . C H R I S T M A S PRESENTS — Take the b i g EUROPEAN-FOSSIL-SEA-URCHIN...RCHIN! Send $ 2 . 5 0 . Satisfaction guaranteed. A s k your dealer. Wholesalers, place orders for 1967...w i t h teeth. A L L for only $ 5 . 0 0 , postpaid. Nicholas & Sons, 1 2 1 2 N . W a s h i n g t o n |  | | Journal (issue) | | ea. AGATE SLABS. From Mexico or Brazil. These cut a full Va" thick ar.cl containing choice banded agate...2x3" $2.75 CHALCOPYRITE, SPHALERITE, Okla. Large deep red to near black sphalerite crystals sprinkled with...ea. Va" @ 35g ea. 1" @ 50a selection of the various colors if you wish. BROOKITE...75e. 1x2" $1.25. 2x2"$2.00. 2x3" $2.75, 3x4" $5.50. A few larger available. HYDROZINCITE, Mina Ojuela, Mapimi...are desired. Subscription price $4.00 a year; Current numbers, 33c a copy. No responsibility is assumed |  | | Journal (article/letter/editorial) | | amounts of silver, lead, cop per, and zinc. T H E C A M P B I R D M I N E , located 6 miles southwest of...referred to as the Switzerland of America and is a mecca for mineral collectors, back packers, and four-wheel-drive...of over 400 inches not uncom mon. Avalanches are a constant danger during the winter months, and many...Bird mine and other gold mines in the " S a n Juan Triangle," S a n Juan Mountains, Colorado. Walsh discovered...profitable and famous mines in Colorado and made Walsh a millionaire many times over. Profits from the mine |  | | Journal (article/letter/editorial) | | CLASSIFIED ADVERTISEMENTS WORLD'S BEST W A N T A D . M E D I U M FOR MINERALS Rate 10c per w o r d ;...good saleable mineral specimens, c u t t i n g m a t e rial, fossils, Indian relics, etc. Please send details...o r t h W a r ner, Tacoma 7, W a s h . Y o u r satisfaction is f u l l y guaranteed. M A N Y U N C O...O M M O N M I N E R A L S — F o r exchange w i t h the average collectors and rare species for the advanced...and other rare x l d minerals. Foreign minerals w a n t e d No c u t t i n g material. John Parnau, 1 |  | | Book (edition) | | EDITION COLOR NCYCLOPED1A OF JOEL E AREM, PHD, FG. A. COLOR iNCYCLOPEDIA SECOND JOEL Since E. EDITION...you to concise and accurate data on particular a ability, rarity, book's the graphs gems gemstone's...illustrate depicted no in other gemstone book. A major feature of the new coverage this second...special interest, and edition, is new to this a detailed analysis of color and measurement as applied...presents a com- color prehensive listing of machine-generated (Continued •> <,\kflap) A VAN NOSTRAND |  | | Journal (issue) | | series • Panda Hill, Tanzania • ref: E. Jager et a/, M in. M ag . 32, 10-25 (1959) • single, loose o...50 to $12.50 Quartz • Japan law twins • Narushim a, N agasaki-ken, Kyushu, Japan • flattened euhedral...Dealers in: • 1724 University Ave. • Berkeley, C a lifo rn ia 94703 • 415-TH3-7564 rare m in erals •...WOODLAND HILLS, CALIFORNIA 91364 M in e r a lo g ic a l f jc c o r c ii Volum e 3 /N um be r 3 M ay/June...ithsonian Institutio n Richard A. Bideaux feature articles The State of the A rt—Crystal Growth, Part 3 (Conclusion) |  | | Journal (issue) | | ARE SOLICITED. F R A N C IS PAUL G E O S C IE N C E B O O K S A N D P E R IO D IC A L S 4 9 FO URTH AVENUE...$ 3 .5 0 , 1" $ 2 .5 0 E. J ager et al, M in . M a g . 3 2 , 10-2 5 (1 9 5 9 ) • ref: • single, ...4 0 miles S.E. of Blinman, S. A ustralia • N aru shim a, N a g a s a k i-k e n , Kyushu, Japan colorless...specimens show J apan law twins to $ 2 5 .0 0 some d a m a g e from $ 4 .5 0 to $ 1 2 .5 0 <&Ann Frazier 1...7 2 4 University Ave. • Dealers in: Berkeley, C a lifo rn ia 9 4 7 0 3 • 4 1 5 -T H 3 -7 5 6 4 rare |
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