 | | 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...marcasite, galena, sphalerite, rutile, titanite, scheelite, beryl, fluorite, and minor native gold, electrum |  | | 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........... Scapolite.......................... Scheelite.......................... Smithsonite ....... |  | | Report (issue) | | STATIONERY OFi'IOB t the followlug addrose81l: In11)P-rial llouae, _Klng�1,·a.y, London, W.0.2, aud 28 Aliln...t:, LI ... .. I • 0 I O • .. , • 447a(j A. 2 INTRODUCTORY NOTE. In computing values of imports...being determined by r eference to a schedule of values drawn up by a valuation commission. In some cases...determined by a valuation based upon the prices of an earlier year, the fact is indicated by a fQotnote....British statute ton of 2t 240 lb. (avdp.). Trible of A ve1·age Rates of Exchange. Quotation Country Parity |  | | Journal (article/letter/editorial) | | refuse or edit any offers. R O C K S and M I N E R A L S cannot assume responsibility of those trading...Winter Street, Norway, Maine 04268. Rocks& Minerals A MAGAZINE DEVOTED TO THE STUDY O F : MINERALOGY GEOLOGY...YOUR SUBSCRIPTION T O D A Y R O C K S AND M I N E R A L S • 4000 A L B E M A R L E ST: N.W. I S U I T...ENTER MY SUBSCRIPTION F O R 11 I S S U E S A Y E A R ( J U L Y / A U G U S T COMBINED) $8.00 I N S T I T U...D I V I D U A L A d d $ 3 . 0 0 for subscriptions outside the U . S . and C a n a d a . A l l orders by |  | | Journal (article/letter/editorial) | | refuse or edit any offers. R O C K S and M I N E R A L S cannot assume responsibility of those trading...only.) Wanted: Back issues of R O C K S AND MINER A L S magazine especially for years 1925 to 1961. Write...Illinois 60402 Wanted: Good 'A inch crystals of Erythrite, Crocoite, Scheelite. Will trade flawless VA inch...Block, 51 Johnson Street. Trumbull, Conn. 06611 A MAGAZINE DEVOTED TO THE STUDY OF: MINERALOGY GEOLOGY...M I N E R A L S 4000 A L B E M A R L E ST: N.W. S U I T E 302 WASHINGTON D.C. 20016 P L E A S E E N T |  | | Journal (article/letter/editorial) | | refuse or edit any offers. R O C K S and M I N E R A L S cannot assume responsibility of those trading...only.) Wanted: Back issues ot R O C K S AND MINER A L S magazine especially for years 1925 to 1961. Write...Penn. 18444 l Wanted: Good A inch crystals of Erythrite, Crocoite, Scheelite. Will trade flawless Wi inch...02338 Will trade good quality micromounting mate rial from domestic and foreign areas for similar material...80401 AFRICAN MAGAZINE Issues Per A n n u m ) Interested in w h a t is happening rockwise in sunny South |  | | Journal (article/letter/editorial) | | refuse or edit any offers. R O C K S and M I N E R A L S cannot assume responsibility of those trading...2017 Wanted: Back issues of R O C K S AND MINER A L S magazine especially for years 1925 to 1961. Write...Good Vi inch crystals of Erythrite, Crocoite, Scheelite. Will trade flawless IVi inch crystal of Herimer...hobby ists already use and enjoy GEMS & M I N E R A L S . You can, too — for O N L Y One year subscription—S...06611 Will trade good quality micromounting mate rial from domestic and foreign areas for similar material |  | | 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 (issue) | | R. H. Chisholm, M.A., S. Tolansky, D.Sc, F.R.S. A. J. Allnutt, Ph.D., J. M. Bosch-Figueroa, D.Sc. E...H. Rutland, Ph.D., M. Font-Altaba, D.Sc. Mrs. T. A. Mikkola, Mrs. M. Virkkunen, F.G.A. F.G.A. F.G.A...Hinton, F.G.A. S. B. Nikon Cooper, B.D., F.G.A. P. A. Waters, F.G.A. H. J. Whitehead, F.G.A. Curator: R...m and Mineral Society. THE JOURNAL OF GEMMOLOGY A N D P R O C E E D I N G S OF THE GEMMOLOGICAL ASSOCIATION...B. W. Anderson New Emeralds T h e appearance of a new type of natural emerald can be almost as disturbing |  | | 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) | | Cherry Hill, New Jersey 08003 T A K I N G T H E Q U E S T I O N L I T E R A L L Y , there can be but one...Franklin and Sterling Hill is looked upon as unique for a number of reasons. The total number of different mineral...with the deposition of metalliferrous sediments in a shallow sea, followed by metamor phosis and alteration...few other mineral bodies which may have formed in a manner similar to that proposed for Franklin, no similar...counts the deposits at Langban, Sweden, as having a similar origin. For these reasons, the mineral deposit |  | | Journal (article/letter/editorial) | | and hydrothermal min eralization are pointed out. A conclusion on the similarity between mineralization...2001; Gonev chuk et al., 2008; Geodinamika …, 2006; A. Rub and M. Rub, 2006; Trunilina et al., 2008; Alekseev...recognized concepts of hydrothermal ore formation suggests a magmatic source of fluids and mineral matter. The...(Govorov, 1977; Finashin, 1986; Gonevchuk, 2002; A. Rub and M. Rub, 2006; Geodinamika …, 2006; Efremov...crustal rocks and the contribution of mantle mate rial are able to form ore–magmatic systems with rare |  | Samatova, L. A., Gvozdev, V. I., Kienko, L. A., Voronova, O. V., Sorokina, V. A. (2011) Mineralogical-technological peculiarities of the ores of the Skrytoe Scheelite deposit and prospects for their dressing. Russian Journal of Pacific Geology, 5 (6) 531-543 doi:10.1134/s1819714011060091 | Journal (article/letter/editorial) | | Skrytoe Scheelite Deposit and Prospects for Their Dressing L. A. Samatovaa, V. I. Gvozdevb, L. A. Kienkoa...Kienkoa, O. V. Voronovaa, and V. A. Sorokinaa a Mining Institute, Far East Branch, Russian Academy of Sciences...Abstract—This work presents the results of the study of a small technological sample taken from the borehole...5%), high contents of phosphorus (P2O5 > 0.5%), and a content of sulfide minerals of no more than 10%. Based...the effi ciency of the scheelite extraction during mining. Keywords: scheelite deposits, mineralogy, ore |  | | Journal (article/letter/editorial) | | Econom/cCeo/og• Vol. 84, 1989, pp. 575-590 Scheelite-,Malayaitc-, and Axinite-BearingSkarns from E1...into bandedcalc-silicate rocksunder the influenceof a hiddengraniticpluton of Variscanage. Variouscalc-silicate...replacementrelationships,a sequenceof three successive skarnformationstageshasbeen recognized. Scheelite-bearing skarns...bodiesandconsistof saliteto ferrosalite,anorthite,scheelite,titanitc,andK-feldspar. Malayaitc-bearing skarnsformedduringthe...ongstrike.Where the replacedcalc-silicate bandis a wollastoniteband,the succession of zonesis zone 1: |  | | Journal (issue) | | issue sales: Write to the circulation manager for a list of the copies still available. Out-of-print copies... or write to the editor for a copy. The Mineralogical Record Inc. is a non-profit organization Inquiries...Inquiries about opportunities for tax deductible gifts on a present, deferred or pledge basis should be made to...his interesting lecture which led off the evening; A. L. McGuinness and Gary Hansen who, as tag-team auc-...necessary to carry off such an event. Presented here is a listing of everyone (I hope) who donated to the auction |  | | Journal (article/letter/editorial) | | Even i f a visit is not pos sible, many German collectors are anxious to trade their mate rial for minerals...needs and offer ample opportunity for many sports. A l though the Clara mine is the mineralogists' chief...ores were mined for short periods during that time ( A . Osann, 1927), while barite production commenced...remains is a sys tem of open pits, dumps, and closed tunnels. The new Clara mine is a mile and a quarter...will continue to come to light for a long time. The ore is brought to a flotation plant in Wolfach some |  | | 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 | | | Journal (issue) | | issue sales: Write to lhe circulation manager for a list of the copies still available. Out-of-pnnt copies...135. or write to the editor for a copy The Mineralogical Record Inc. is a non-profit organization Inquiries...Inquiries about opporturn1Ies for tax deductible g1hs on a present, deferred or pledge basis should be made 10...his interesting lecture which led off the evening: A. L. McGuinness and Gary Hansen who. as tag-team auc-...necessary to carry off such an event. Presented here is a listing of everyone (I hope) who donated to the auction |  | | Catalog/List | | arrange a Sterling Draft or Euro-Cheque. Telephone reservations accepted. Where available, a close substitute...change, see attached letter at end of this List. .a w ~U.MME.'R 1984 LIST (BRIT~SH) No.~_h 1. ALliAI'iDINE(...Specimen AMETHYST/CALCITE. Uraguay. the aid of a bit I·iost attracti of blue to oranr;ey-coloured...cemmy bed of prisi:1atic,violet-coloured xtls ,-1ith a single,creamy~scalenahedral Calcite sittine o.t display...terminations (reminiscent of Thunder Bay material) with a single,gemmy,ortinge-coloured hexae;onal xtl spanninr; |  | | 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 |  | | Journal (article/letter/editorial) | | MINERALS CLASSIFIED ADVERTISEMENTS WORLD'S BEST W A N T A D . M E D I U M FOR MINERALS Rate 5c per word;...2017 EXCHANGES EXCHANGE: Garnet xls in matrix w a n t e d . Desire well terminated x]s f r o m definite...Mineral specimens. Cabinet size to micro-mounts. W h a t have you. N. H. Pendleton, 1 1 1 Pryce St., Santa...Cruz, California. EXCHANGE: Quartz xl specimens w a n t e d . Have hundreds of quartz x l duplicates to...Lester, 41 16 T St., Sacramento, California. I H A V E M A N Y DUPLICATES of several rare minerals both i |  | | 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 |  | | Report (issue) | | nomenclature 1972 PREFACE In 1963, in rccponao to a request from the Miniotry of Pctrolousi and llincral...approval of the U.S. Department of State, undertook a joint and cooperative effort to cup and evaluate the...Resources. Also on open file in that office is a large amount of material, in the form of unpublished...manuscripts, maps, field notes, drill logs, annotated ac-rial photographs, etc., that has resulted from other...has set up a liberal mining code which is included in "Mineral Resources of Saudi Arabia, a Guide for |  | | Journal (article/letter/editorial) | | CLASSIFIED ADVERTISEMENTS WORLD'S BEST W A N T A D . M I D I U M FOR MINERALS Rate 12c* per word; minimum...month. FOSSILS ILLUSTRATED FOSSIL & M I N E R A L C A T A LOG 3 0 * — Largest stock of f i n e fossils...Supplies, Books. Geological Enterprises, Box 9 9 6 , A r d m o r e , Okla. 7 3 4 0 1 . FOR SALE — Penn....lusks, echinoids, etc. M a l i c k s ' Fossils, 5 5 1 4 Plymouth Road, Baltimore, M a r y land. 2 1 2 1 4...Other fine fossils, List 2 5 g . P E N N S Y L V A N I A FOSSILS — From the heart of the finest Pennsylvanian |
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