 | | Journal (issue) | | collectora for miles around will tTek to the Pyrrhotite :Mine located about a mile and a half in from... Forms close on the 20th of January, April, July an d October . · &uthors alone are responsible for...Calif. Ln,·entler in eolor. Th"'se spN·imcns are from an inch to two inches in lt'ngth. Th1'y are not gem...Advanced Collector (TT I baYe for sa le rare crystal'i an...QUARTERLY 1933 If ,t J r The Anthony~s Nose Pyrrhotite Mine -By- PETER Z()DAC' Editor, Roc•ks a11d |  | | Journal (article/letter/editorial) | | reconstructing the genetic history of ore deposits (e.g. Van der Veen 1925; Edwards 1954; Ramdohr 1969; Barton 1970)...lamellae develop along several directions at the lower temperatures, while coarsened forms are dominant...concentrations on the kinetics of textural development. An account of the preliminary results of this study...Ltd., grade i, 99. 999+% spec. pure) was reduced in an H 2 stream at 900°C for over 2 h, to eliminate any...c u u m , and a n n e a l e d at 7 0 0 ° C f o r an a d d i t i o n a l 2-3 w e e k s . I n s o m e i |  | | Journal (article/letter/editorial) | | except very late pyritic D veins.Residualtracesof pyrrhotite-chalcopyrite found locked in quartz and as abundantand...widespreadinclusionsin pyrite apparentlyrepresentthe remainsof an early progrademineralizationobliteratedby intensesulfidationof...lcopyrite-bornite,with K silicate alteration, in an early stagedominatedby magmaticfluids("Early stage")...are involved but apparentlygradecontoursare steep. An even more dramaticdrop in the gradeof copperis seenin...0.03 percentMo extendroughlythroughthe chalcopy- der the stronginfluenceof the thermal and fluid flow |  | | Journal (issue) | | of Some New England Pegmatites W. C. Stoll 136 An Occurrence of Cassiterite at Dublin Gulch, Yukon...length, and has an average width of 53 feet. It lies in schist along the southern margin of an alaskite stock...Molybdenum Property is located in the Liberty Mining District about 25 miles north of Tonopah in Nye County...slope of the arid and barren San Antonio Mountains at an elevation of 5,900 feet. This paper presents a description...alaskite-schist and contact 1,on faulted both in has an ¢ Leve 250 sets by eastern parallel the ave deposit |  | | Book (volume) | | stratigraphy and structure of the rocks of the district, sedimentary, igneous, and metamorphic; (3) the...angefertiat, um dem Lagerstättenkundler bei seinem Studium der Erzlagerstätten zu helfen; sie werden sicherlich...Veröffentlichungen vorliegen, einzubeziehen, um dem, der sich mit Erzlagerstätten beschäftigt, zu ermöglichen...wirklich zu verstehen. Von der beeindruckenden Menge der erfaßbaren Lagerstätten in der Sowjetunion konnten...Lagerstätten ist immerhin soviel veröffentlicht worden, daß der interessierte Leser auch Einzelheiten erfahren kann |  | | Book (edition) | | study of these interesting phenomena. If, by giving an extended view over the field, and by making clear...the West, have laid the whole scientific world un der a debt of gratitude, and in this country have probably...125-129; Marquette district, 129-136; Menominee dis trict, 136-139; Penokee-Gogebic district, 139-143; Vermilion...Mile, Summit Co., 266, 267; Ex ample 306, Monarch District, Chart'eeCo., 268; Example 30c, Eagle River, Eagle...Example Ma, Tooele Co,, 275; Example 356, Tintic District, 275; Example 30gr, Hornsilver Mine, 275, 276; |  | | Book | | r?°'%S Miu- Man-fa-nese. 6% tintagel/x 5 b - An(imoiU| LAuNccsroH papsrpiu ...and, above all, variety is unique in the world for an area of equal size. Today the picture is not quite...or precious stones. To discover some crystals of an unfamiliar mineral is as exciting as finding a chest...but if you are keen (and rich) enough to possess an ultra-violet lamp you can keep on collecting after...up better'. In some places the winter months have an advantage as there is less vegetation to obscure |  | | Book | | because of special qualities or because of their lower cost to the consumer. Those who witnessed the frantic...University has been an able critic and counselor, and, when progress was slow, an inspiring and encouraging...by those connected with the mining of metals, is: "An ore is a mineral deposit from which a metal can be...restricted meaning the pyrite deposits of the Rio Tinto district of Spain. Their value has been determined primarily...the ordinary grade of pyrite pro- duced in the district frequently contains sufficient copper to warrant |  | | Journal (issue) | | Foreign rate $24.00 per year. A subscription includes an entire four is sue volume regardless of the date...welcome. Previously published historical material of an obscure nature is also welcome. Submissions can be...challenge to locate such information and develop it into an artide of min eralogical history constitutes a sort...peers for many achievements, Plank appeared to be an orga nized individual who saw fit to preserve the...whlch chronicled his life's work. Among them was an abundance of historical information, photographs |  | | Journal (issue) | | North Carolina by J. S. White & J. E. Nelen 203 An unusual quartz crystal from Zaire .................of the paper the author will be required to submit an extended abstract of from 1000 to 2000 words in length...these stands retail to readers of this column, on an introductory basis. The stands consist of a heavy...minutes in length followed by a period of questions. An audience of knowledgeable amateurs as well as professional...She was an experienced field collector, and a superb judge of specimen esthetics. She was also an authority |  | | Book (edition) | | hi the reno- rations }iavf‘ luM^n introduced, an im- been adopted, tlie talde for the and tln^ chapter... MINERALOGY. Minerals. Minerals nT(‘, llio plants an...portant for (h(‘ imdal they (‘ontain. gentn-ally in an impure state from ili(‘ |)i'^"s<,!uee of oilier minerThe...scale to soapstone at the other. There is a still lower limit in liipihls and gases ; hut of the hardness...tlak(‘S when it snows; the stre.ams bia^ome coated with an aggregation of crystals called ico and wnudows are |  | | Journal (issue) | | 1.00 Total to Date ........ , ... . .... SSI.00 AN APPRECIATION on:J Through the courtesy of Mr. James...Colgate University Haniilton, N. Y. Collecting is an avocation appearing early in man's history and is...in the arts and industries. Minerals have played an important part in the advancement of civilization...Though sand is a term usually employed to indicate an aggregate of small grains of quartz, this is a definition...grea: exten: they may show corrosion, sta in ing an-:l a dense clouding of th'! more transparent minerals |  | | Report (issue) | | enhanced my understanding of the mines in the district. This manuscript has benefitted from critical...districts and exploration for new deposits requires an understanding of the geologic processes responsible...of Ralston Creek, and the main haulage adit is at an elevation of 1996 m. Mining activity dictated access...and the second from the 10th to the 20th Levels. An exhaust bore- hole to the surface was drilled northwest...Intrusive bodies of Late Cretaceous and younger age form an elongate, northeasttrending belt through the Proterozoic |  | | Report (issue) | | VIENNA, 1986 IAEA-TECDOC-361 Printed by the IAEA in Austria January 1986 PLEASE BE AWARE THAT ALL OF THE...with a consequent loss of time, money and effort. In an effort to gather together the most important information...projects for their efforts. The reports constitute an important addition to the literature on uranium geology...Structure-related uranium mineralization in the Westmoreland district, Queensland, Australia .........................Petrographic-geochemical characteristics and genesis of an albitized uraniferous granite in Northern Cameroon |  | | Book | | Snowdon GEOLOGICAL SUC(:ESSION IN THE SNOWDON DISTRICT I-Jolo ce11e Scree head, 1iver terrace depo...from the south-west at Moel Hebog. Tl1e Snowdor1 district lies close to the centre of the Sno,,vdonia National...vl1ereas the lower and le -rugged, but deeply dissected, areas in the south and v\1est of the district are u11derlain...sedime11tary trata. The detailed mappi11g of the district has allowed inter pretation of the sedimentological...of the basin which was sited across Wales during Lower Palaeozoic times. The lovve t Camb1ia11 sedime11taf)' |  | | Journal (volume) | | Western Africa: R. Guiraud, Y. Bellion, J. Benkheli l an d C. Moreau ................ 433 CONTENTS V Cretaceous...Deformation, Magmatism, and Metamorphism in the Lower Benue Trough, Nigeria: J. Benkhelil ..............margin of an intensely dislocated metamorphosed Archaean volcanogenic sedimentary sequence. It is an ore deposit...origin with hydrothermal fluids interacting with an Archaean banded iron formation. Copper, zinc, gold...they are concerned with the mineral parageneses in an orthopyroxene- si llim anite association from Al-Mg |  | | Journal (article/letter/editorial) | | u n d Thoriumstrahlen. I. Ueber die Absorption der Röntgenstrahlen. 1. W. C. R ö n t g e n , Ueber eine...Eigenschaften der Röntgenschen X-Strahlen. Wiedem. Ann. 1896, 59, 324. 3. M. M e s l a n s , Einfluss der chemischen...chemischen Natur der Körper auf ihre Durchlässigkeit für die Röntgenstrahlen. Compt. rend. 1896, 1 2 2 ,...4 89. 5. A. B n g u e t und A. Gascard, Wirkung der X-Strahlen auf die Edelsteine. Compt. rend. 1896... 457 und 726. 6. C. Dölter, Ueber das Verhalten der Mineralien zu den Röntgen'schen X-Strahlen. Mittb |  | Chadwick, R. A., Jackson, D. I., Barnes, R. P., Kirnbell, G. S., Johnson, H., Chiverrell, R. C., Thomas, G. S. P., Jones, N. S., Riley, N. J., Pickett, E. A., Young, B., Holliday, D. W., Ball, D. F., Molyneux, S. G., Long, D., Power, G. M., Roberts, G. H. (2001) Geology of the Isle of Man and its offshore area. British Geological Survey & Treasury Isle of Man, Keyworth, Nottingham. | Book | | Hauterivian VnlMginiM Ryazanian PortlandInn Ki mmeridgi an Oxfordian Callovinn Balhonian Ba jodan Aalen ian...Carnian Ladinian Anisian Scythi an Tatarian Kazanian Kungu1ian Artinski an SakmnriM Asselian V-✓es hOOian...Kindersooutian :, Al portian ChokieriM � Arnsbergian Pendlei an ., ., "' e MID!)tC EARLY e 65 B' >, .0 -0 ...Mudstone Group rsherwood Sandstone ._Group Cumbr an Coast and � Belfasti groul)G Appleby and Enler groups...UnoonfoImity Erosion Main defonnntion of onshore Lower Palaeozoi c rocks \i ncluding formation of Bn,rul |  | | Book | | Zinc. . Lewis B. Gustafson and Neil Williams 139 An Overview of Sandstone Lead Deposits and their Relationship...Economic Geology to Walter S. White. Rarely does an individual who has such a great influ¬ ence on his...about the suggestion that they formed themselves into an ad-hoc commit¬ tee to seek ways to implement the...following year was ready to announce the birth of an unusual new publishing company and the jour¬ nal...journal is engagingly recounted by Alan M. Bateman in an arti¬ cle published in the Fiftieth Anniversary volume |  | | Journal (volume) | | St. James Street, Montreal, Limited, 171 Lower Water R. P G. H. London, E.C. DUGGAN, HaUfax...Sampled, Also Analyse everything, THE COBALT SILVER DISTRICT LANDS, MINES AND STOCK FOR SALE ADVANCES ON SHIPMENTS...COMPANY Head Office and Works: TORONTO, Ont District Offices— Montreal, Winnipeg, Vancouver, LIMI...Frontenac. We also a Meanwhile assured. is programme an excelleiU number of important paj^ers have already...distributed in advance of the meeting m to opportunity an attend to give members vmable participate in the |  | | Journal (volume) | | geology of the Kemi chromite deposit, Finland 7 With an eye to the speedy clarification of the economic potentialities...of the occurrence, the Council of State, through an agreement made on April 7, 1960, handed over the...measurements led to the loealization of an extensive chromite oeeurrenee in an area where the bedroek is entirely...eomputing residual anomalies. The point is made that an interpretation ealls for a detailed eomparison of...Survey received for examination a boulder found by an amateur prospector on the shore of the channel situated |  | | Report (issue) | | geology 146. Geologic setting of the Spar City district, San Juan ~ountains, Colo., by T. A. Steven ___...Shell Oil Co. z The term "sequence" is used here in an informal sense to denote a geographically discrete...conglomerate Lower part: Sandstone, shale, chert Upper part: Offshore but shoaling toward the top. Lower part:... Shallow water. Moleen and Tomera Formations, Lower and Middle Pennsylvanian, 3,200+ ft Limestone,...conglomerate, sandstone Shallow water. Tonka FoFmation, Lower Mississippian to Pennsylvanian, 2,500+ ft Conglomerate |  | | Book (edition) | | areas of the country, such as the Gulf Coast, Calif., an...and toehniques for examining and (c.sting minerals an...coauthor to collaborate in its preparation and to assume an important share of the burden. W, M. Myers is a former...former colleague, a friend of long standing, and an associate in various nonmetallic mineral activities...and uses. In order better to answer such requests an outline containing the most common questions was |  | | Journal (volume) | | PUBLICATION. r/'i i 1 J?^ i -^Esf&blished 1882 An Illustrated Monthly Journal of Informal tion for...Neo-Carboniferous or 160 Peruvian strata of Pictou, N.S." 10 An appeal to Caesar Anglo-Canadian Lead Syndicate 9...Columbia" 252 Bosun Mines, Ltd 17-66-281 Boundary District, B.C 23-77-156 Braden Wm., on "Certain Conditions...; British Columbia Atlin Gold Fields Boundary District Coal and Coke Supply Coal Mining in Copper Deposits...Mineral Production Rossland District Similkameen District Slocan District South Eastern Ore Deposits |  | | Book | | sich der im großen Maßstab operierende Bergbau auch in Marokko auf Edel- und Basismetalle. Der größte...größte Teil der heute noch oder wieder abbauenden Lagerstätten befindet sich dabei im Anti-Atlas. Die Karte... Vorwort arokko - Land der schönen Mineralien und Fossilien. Viel treffender kann der Titel die- Umfangreicher...gefärbten Anglesite im Jahre 1982/1983 Marokko in der ganzen Welt ,,berühmt" gemacht haben. Aber wir wollen...unter anderem die vagen oder falschen Fundortangaben der Händler - ob bewusst oder unbewusst angegeben können |
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