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| GUIDE TO Minerals and Gemstones 154 ILLUSTRATIONS IN COLOUR by CLAUS CASPARI - a collector's guide...revised by JOHN SINKANKAS with 154 illustrations in colour by Claus Caspari THAMES AND HUDSON Tnnslated...Publisher's prior consent, in any form of binding or cover other than that in which it is published and...this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical...storage and retrieval system, without permission in writing from the Publisher. © 15)68 by Droeme=he |
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| Fairbanks, 109th Street, Old Orchard Beach, Me., sends in this bit of information: "Here is an account of a...it was of fine quality. A reference was also found in the U. S. Geological Survey Mineral Resources for...856-857. Specimen of fine blue color which I identified in 1943 was found on the property of George Hobbs close...of Pleasant Grove Church). Another occurrence is in a railroad cut a few miles northeast of Erin, Clay...Clay Co., where turquoise is found as thin veins in graphite schists (Carboniferous). The Erin occurrence |
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| Compositional zoning in Zn-chromites from the Cordillera Frontal Range, Argentina E R N E S T O A . B...Geological Sciences, Mining University, 8700 Leoben, Austria 2 Universidad Nacional del Sur, Dpto. de Geologia-CONICET...ultramafic bodies containing zoned chromite grains occur in the Cordillera Frontal Range, western Argentina....rims (1.3 wt.% ZnO) and outer Cr-magnetite rims. In intensely altered chromites which are spatially related...(7 wt.% ZnO) and they are rimmed by Cr-magnetite. In the Al-chromites the mean [Cr/(Cr + A[)] ratio is |
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| special quotations are invited. ABBREVIATIONS used in this catalog xl -crystal xlled -crystalled xlline...County, Pacoima Canyon Large black tabular crystals in pegmatite ..... Norway Gjerstad Nearly pure pitch...Benito River, Gem mine Black prismatic xls imbedded in syenite CROSSITE Sodium iron silicate California...Champion, Spons mine White-tan fibrous aggregates in magnetite with stilpnomelane, penninite, quartz ...Arizona Final County, Christmas Dark green cleavages in andesite ........ . Canada Ontario, Verona ~rly pure |
 | Vollprecht, , Berger, , Altenburger‐Junker, , Neuhold, , Sedlazeck, , Aldrian, , Dijkstra, , van Zomeren, , Raith, (2019) Mineralogy and Leachability of Natural Rocks–A Comparison to Electric Arc Furnace Slags. Minerals, 9 (8) 501 doi:10.3390/min9080501 | Journal (article/letter/editorial) |
| Management, Franz-Josef-Str. 18, 8700 Leoben, Austria Montanuniversität Leoben, Chair of Resource Mineralogy...Mineralogy, Peter-Tunner-Str. 5, 8700 Leoben, Austria TNO Geological Survey of the Netherlands, Princetonlaan...August 2019; Published: 20 August 2019 Abstract: In waste management, recycled and industrial aggregates...regulated for these parameters in most EU member states, e.g., Austria, prior to using them as a construction...emphasis on PEPE and to interpret these findings in comparison with EAF slags. Five samples of Austrian |
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| Triassic deposits 31 Mineral localities 38 District of Columbia Mavtrl a Tirl IWlCfci JT XClilUl...Loudoun County 143 Prince William County 149 Diabase quarries of northern Virginia 155 CAPTIONS Illustrations...Index map showing region covered in this report. Stfaded area is covered in most detail. Figure 2. Block...Complex at Ilchester, Maryland. Figure 6. Triassic diabase dike forming a ridge north of Route 7 near Dranesville...of mineral deposits in Washington, D.C. it Figure 8. Locations of iron mines in the Coastal Plain of |
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| I. Myen S.Cretary-TNMUNr, Pet.r Zodac Organized in 1928 for the increase and dissemination of mineraloaic...interest in geology and mineralogy and to endeavor to have courses in these subjects Introduced in the curricula...public school systt1ms; to revive a general Interest In minerals and mineral collecting; to instruct beginners...foundation in 1928, the Rocks and Minerals Association has done much to promote the interest in mineralogy...there must be many who would like to have a part In the Association's work-to share with you the personal |
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| Davis M. La_pl,am Alan R. Geyer Mineral Collecting in Pennsylvania I COMMONWEALTH OF PENNSYLVANIA DEPARTMENT...Geologist ' BULLETIN G 33 Mineral Collecting in Pennsylvania by Davis M. Lapham Mineralogist Alan.......... . . .... . . . ........ .. . . . Museums in Pa. . ... . . . . . .. .. ... . . . . ... . ... ... . . . . . . . . . . . . . . . ... Stilbite Vein in Hornfels ........... . ..... Galena Crystals . .... . . . . . . . . . .. Galena and Sphalerite in Shale Nodule Generalized Geologic Map and Cross-Section |
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| BULLETIN 33 Mineral Collecting Pennsylvania in by Davis M. Lapham Mineralogist Alan Geyer R...of “Mineral Collecting In Pennsylvania’’ That second edition represented in 1965. the first number...hobby of mineral collecting we hope will take care in the often dangerous quarries, always seek prior...three localities, the Grace mine in Berks County, the Stillwell quarry in Lancaster County, and the Medusa...Medusa Cement Company quarry in York County, are now This fourth printing is essentially closed to collectors |
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| Silver mineralization in the ancient Akersberg mine, Oslo ODD NILSEN & ARNE BJØRLYKKE Nilsen, O. & Bjørlykke...Bjørlykke, A.: Silver mineralization in the ancient Akersberg mine, Oslo. Norsk Geologisk Tidsskrift,...the ancient silver workings of the Akersberg mine in the city of Oslo. Pb-Zn mineralization is confined...confined to a partially brecciated Permian diabase intrusion which intersects the Ordovician slate/ limestone...dipping veins - partly within the diabase and partly at the diabase contact. The main ore minerals are |
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| the isotopic composition of sulfur in troilite from meteorites and in sulfides from igneous rocks and genetically...associated mineral deposits of the Triassic Newark group, in eastern United States. Some of the intrusives sampled...originated in the upper mantle. Considering the probable isotopic inhomogeneity of sulfur in the many rook...observed isotopic uniformity of sulfides in normal diabase from intrusives suggests little contsminrttion...intrusives-mostly + 3 to + 8, maximum + 11, with pyrite enriched in S3* relative to coexisting chalcopyrite; specimens |
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| the Queen in Right of Canada, 2000 Catalogue No. M41-8-57E ISBN 0-660-17726-9 Available in Canada from...this publication is also available for reference in selected public libraries across Canada Cette publication...Photograph by H. Gary Ansell. GSC 1999–003A Native gold in quartz, Hoyle Pond mine, Timmins. The specimen measures...(Timmins) mine, 1910, before it was destroyed by fire in 1911. (GSC 14003) CONTENTS xiii Abstract/Résumé...37 39 39 Cobalt district Cobalt district silver mines Road log to the Cobalt district mines Townsite mine |
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| GENERAL GEOLOGY REPORT 1976 33 MINERAL COLLECTING IN PENNSYLVANIA by Alan R. Geyer Robert C. Smith, ... “old” Lime Bluff quarry, Muncy; right fibrous : tremolite, C. K. Williams quarry, Easton: bottom: calcite...oriented coatings of goethite, “old” Lime Bluff quarry, Muncy, (courtesy of Delbert L. Oswald) ADDITIONAL...Lapham was the original senior author of this report in 1959 and of succeeding revisions and maintained an...This edition of Mineral Collecting Cedar Hill in quarry where Dave had done IV much of his work |
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| Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered...deposit (Southern Ural) at contacts with gabbro-diabase dikes a G.N. Pshenichnyy & M.A. Kulagina a a...deposit (Southern Ural) at contacts with gabbro-diabase dikes, International Geology Review, 11:12, 1433-1442...of all the information (the “Content”) contained in the publications on our platform. However, Taylor...of the Content. Any opinions and views expressed in this publication are the opinions and views of the |
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| molybdenum deposit...................... Pass Lake Road quarry. . . . . . . . . . . . . . . . . . . . . . . ....43 43 - iii CONTENTS (cont.) Page Eagle Lake quarry . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . Greer Lake quarry............ . . . . . . . . . . . . . . . . . ...Many of the deposits described in this booklet were visited by the writer in the summer of 1962 assisted...isolated lakes. Parts of Lake Superior can be hazardous in a small boat and if you have any doubts, hir~ a local |
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| MINERAL RESOURCES Part 3, Metal Mines and Occurrences in Pennsylvania by Arthur W. Rose Mineral Conservation...Lafayette College for information on some occurrences. In addition M. L. Keith, Director of the Mineral Conservation...sent to him. Part 3 Metal Mines and Occurrences in Pennsylvania TYPES OF DEPOSITS by Arthur W. Rose...extrapolation. In recent years, increasing use has been made of mineral locality data in conjunction with...1962). The data summarized here should also be useful in the compilation of metallogenic maps of continents |
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| CATALOGUE OF. MINERAL PSEUDOMORPHS IN THE AMERICAN MUSEUM -B CLIFFORD FRONDEL BU.LLETIN OF THE AMRICANMUSEUM'...71) Article IX.-CATALOGUE OF MINERAL PSEUDOMORPHS IN THE AMERICAN MUSEUM OF NATURAL HISTORY' BY CLIFFORD...and not solids,3 and would also exclude those cases in which organic material has been replaced by quartz...petrifactions and molds, and also: (1) Any mineral change in which the outlines of the original mineral are preserved...change here carries with it a connotation of no change in the dimensions of the surface. The plane-sided, hollow |
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| special quotations are invited. ABBREVIATIONS used in this catalog xi xlled xlline xllized - ~J('' Jr...~lliant lime-yellow prismatic orthorhombic crystals in radial groups on limonile ........... Utah Toelle...silicate ~ Province of Huesca, Estopinian Blue massive in an_cient trap r·ock, resembles lapis AJOITE Copper...opalescence ................... PERICLINE Italy, Austria 1 SWitzerland Aleine areas Fine large white twin...County, Pacoirna Canyon Large black tabular crystals in pei,;malite ...... R. Norway Gjerstad Nearly pure |
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| price or value of any specimens discussed or reported in this work. Copies may be purchased, while supplies...MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...series of rare-earth species found as small crystals in drusy dolomite-lined cavities. The extremely rare...rarely as doubly terminated crystals to I cm floating in vugs of crystalline talc. Easily the best extant |
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| RARE-EARTH PEGMATITE DISCOVERED IN ADIRONDACK MOUNTAIN AREA, ESSEX COUNTY, NEW YORK PART II By ELMER...iridescence occurs here in minor quantities intimately associated with the dike pyrrhotite. The chalcopyrite...chalcopyrite is admixed with both the pyrite and the pyrrhotite, but is readily distinguishable from the former...closely associated with the chalcopyrite in the dike pyrrhotite. Pickeringite. Pickeringite, a hydrated...inplace dike pyrrhotite, under a sheltered rock overhang, at the north end of the quarry. Occasional acicular |
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| Hirt S U M M A R Y: Numerous palaeomagnetic studies in the Alpine region have documented the effects of...of tectonic displacement and rotation. Regions in the southern Alps are characterized by palaeomagnetic...African affinity are found in the internal zone of the western Alps, and also in the Lepontine of southern...have undergone substantial rotations, in some places clockwise and in others anticlockwise, during emplacement...local tectonic effects. In the western Alps, European style directions are found in the undeformed rocks |
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| .......... 50 Diabase dikes at Valdez Narrows.......................... 50 Diabase in Tatitlek Narrows...Narrows............................... 50 Diabase on Unakwik Inlet................................ 50 Greenstones...reconnaissance map of Prince William Sound........ In pocket. View looking northward from vicinity of Cordova...Company on Landlocked Bay................. 60 XI. A, Quarry face of the Bonanza mine on Latouche Island; B...and geologic map of part of Latouche Island..... In pocket. FIGURE 1. Interbedding of sediments and basic |
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| 2A7, Canada Abstract The El Mochito mine, located in west-central Honduras, exploits a Zn-Pb-Ag skarn...sphalerite, galena, pyrrhotite, and pyrite postdate a gangue consisting mainly of pyroxene in the hedenbergite-diopside...hedenbergite-diopside series and garnet in the andradite-grossular series. A strong structural control is apparent...previously. δ34S values of sphalerite, galena, and pyrrhotite cluster between –1 and +2 per mil, suggesting...that the sulfur at El Mochito was primarily igneous in origin. Lead isotope ratios for galena have mean |
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| FURMAN KEMP, E.M., D.Sc., PROFESSOR OF GEOLOGY IN THE SCHOOL OF MINES, COLUMBIA UNIVERSITY, NEW YORK...diverse, and many unrelated processes are involved in In order not to confuse and bewilder students, their...their chief foundations in past misconceptions, such as the time element in the teacher the classification...that require microscopic study to substantiate them. In the following pages the attempt has been made to...equipped with the necessary preliminary training in mineralogy, can observe and grasp. Some years of |
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| Mab'llifiers and Ultra-Violet Lamps .. . ABBREVIATIONS used in this catalogue: page . . 70-71 . 72-79 BOOKS ...lime-yellow prismatic orthorhombic .50 5. 00 crystals in radial groups ... .......... . Fl. Utah Toelle Co...silicate. Spain Province of Huesca, Estopinian. �ue mass in ancient trap rock, rare ...... AFWILLITE Hydrous...Cornelia mine. Sky-blue crystals and masses on and in blue shattuckite, display specimens ......... . ALABANDITE...opalescence ............. Fl. ALBITE PERlCLrNE Italy, Austria, Switzerland Alpine areas. Fine large white twin |
