 | | Journal (issue) | | one since, and , whether it was hidden before Nadir Shah_captured Delhi, or whether it was part of the...Prochlorite Burger's quarry, but the gen list. eral name chlorite would be better in this case, as there seems to...to be several species of the chlorite group in this quarry, including pro I have not positively identified...identified diabantite amongst the chlorite. chlorites from Paterson, but this mineral is found at Bergen...chalcodite , and diabantite all belong to the chlorite group , and are very much alike in composition and |  | | Book | | Quartz Treasure chambers of Augustus II Surface luster St. George statuette Chalcedony Frederick the Great’s...determine which chemical group a mineral is assigned to. The largest mineral group, the silicates, is further...except for fluorite. A mineral in the carbonate group is characterized as having a carbon atom at the...marcasite, and sphalerite. Minerals of the oxide group consist of oxygen atoms combined with a metal or...such as amethyst, and more. Phyllosilicates This group includes chrysocolla, soapstone, and clay minerals |  | | Journal (issue) | | of Victoria Melbourne, Australia Richard C. Erd U.S. Geological Survey Menlo Park, CA Steven R. Morehead...602-297-6709 FAX: 602-544-0815 Subscriptions • individuals (U.S.): $39 for one year; $76 for two years. (Firstclass...circulation manager for rates.) • Individuals (outside the U.S.): $43 for one year, $83 for two years. (Airmail...Famous mineral localities: The French Creek mine, St. Peters, Chester County, Pennsylvania..............up the information on a given specimen, but also group data in a variety of ways, and to reveal patterns |  | | Book | | (average, about 12 meters per kilometer) inward to the nadir of the basin. Although locally disturbed by minor...both the Copper Country and the iron ranges by the U.S. and Michigan Geological Surveys. This resulted in...Gogebic, Ontonagon, Houghton, and Keweenaw Counties GROUP Iron and Dickinson Counties Jacobsville Sandstone...Sandstone ---------------------------- Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District...Formation ---------------------------- Powdermill Group Bessemer Quartzite Peavy Pond Complex ------ |  | | Report (issue) | | Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available from the Publications............................................ . 7. Group of celestite crystals from a vug in limestone from...angles (average, 60 ft. per mile) inward to the nadir of the basin. Although locally disturbed by minor... I- ~ ..., 3 .. .z • U) u, er l;l z z g GROUP J $:! - z 4 ~ < z 2'0 (11MCrn.N:I) ~ ...OC. NO $(:A.Lt er ::, ~ FORMATION FORMATION GROUP SERIES \,1 w ::, ~ ROCK· STRATIGRAPHIC ROCK-STRATIGRAPHIC |  | | Book | | in 1950—just a little over 20 years ago— that a group of geologists in Tulsa, Oklahoma, recognized the...time (with the under¬ standing cooperation of the U.S. Geological Sur¬ vey) in order to edit many terms...oceanography: Willard Bascom, A.R. Gordon, jr. and the U.S. Naval Oceanographic Office at Suitland, Maryland...Boardman, Raymond C. Douglass, J. Wyatt Durham, J. Thomas Dutro, jr., Robert M. Finks, Mackenzie Gordon,...George Switzer. Economic geology: M.E. Hopkins, Thomas A. Howard, Joel J. Lloyd, Ross Shipman, Jack A |  | | Journal (issue) | | of Victoria Melbourne, Australia Richard C. Erd U.S. Geological Survey Menlo Park, CA Steven R. Morehead...602-297-6709 FAX: 602-544-0815 Subscriptions 'Individuals (U.S.): $39 for one year; $76 for two years. (Firstclass...circulation manager for rates.) •Individuals (outside the U.S.): $43 for one year, $83 for two years, (Airmail...0026-4628) is published bi-monthly for $39 per year (U.S.) by Mineralogical Record, Inc., a non-profit organization...than with the biggest flashiest quartz crystal group the world has ever seen. Single crystals tend to |  | | Book (volume) | | Vendian skel etal fauna of the Arroyo del Soldado Group, Uruguay. Beringeria 23: 55 91. Hamilton WB (1998)...London: Geological Society. GEMSTONES C Oldershaw, St. Albans, UK Quantifying Gemstone Mining ß 2005...zircon, turquoise, nephrite jade, and jadeite jade) USA Aquamarine Emerald Jadeite jade Nephrite jade Peridot...techniques. These techniques show how the samples group together, thereby suggesting a close association...from a cooking pot excavated from the Sanctuary of St Lot, Deir ‘Ain Abata, Jordan. Plane polarized light |  | | Journal (issue) | | Gabasch, Frederik Klauser, Erminald Bertel, and Thomas Rauch Examines the mechanisms involved in two topaz...Alice S. Keller akeller@gia.edu Managing Editor Thomas W. Overton tom.overton@gia.edu Technical Editor...(760) 603-4503 blaurs@gia.edu Editors, Lab Notes Thomas M. Moses Shane F. McClure Editor, Gem News International...Reviews Susan B. Johnson Jana E. Miyahira-Smith Thomas W. Overton Associate Editor Stuart D. Overlin...Editors, Gemological Abstracts Brendan M. Laurs Thomas W. Overton PRODUCTION STAFF Art Director Karen |  | | Book (edition) | | consequently turn purple at night. Of the small group of translucent stones which pass light, but are...important is opal. It and certain others of the group owe their merit to the same optical effect as that...a way as to produce a play of colour. The last group, which comprises opaque stones, has few representatives...zircons. The other was bequeathed in 1934 by Mr. Thomas B. Clarke-Thornhill ; it includes a variegated...familiar example among gemstones of an isomorphous group is the garnet family: grossular, Ca;Al,(SiO,)3; |  | | Book (edition) | | The The Felspar Group . . ........ 170 183 186 Amphibole Group Pyroxene Group 202 Sodalite 207...207 195 Group Garnet Group 213 Mica Group Chlorite Group Zeolite Group 239 233 244 THE TlTANO-SILICATES...OXIDES Rock-salt, Atacamite, Opal OXIDES (Quarts Group) Amethyst, Smoky-quartz, 102 . : : 98 108 ...Tetrahedrite, Pyrargyrite, Proustite : (Quarts Group) 20. 74 80 Mis- Cinnabar, 12. 16. 62 .... Lazulite, Cuprouranite, Vivi178 Turquoise Group) : .... Orthoclase, Microcline, Anorthite ix |  | | Book (volume) | | and Lecturer of Hertford College, Oxford, and of St John’s College, Oxford. Author of Infamia in Roman...Christian Platonists of Alexandria; &c. Editor of St Augustine’s Confessions; De Imitalione; &c. Formerly...Great Britain and Ireland. Lecturer on Anatomy at St Thomas’s Hospital and the London School of Medicine...B., F.R.C.S., LL.D., D.Sc. Consulting Surgeon to St Mary’s Hospital, London, and to the Children’s Hospital...Rome, 1903-1905. Author of The Roman Empire; &c. H. St. Henry Sturt, M.A. Author of Idola Theatri; The |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | (SME) 8307 Shaffer Parkway Littleton, Colorado, USA 80127 (303) 948-4200 / (800) 763-3132 www.smenet...can depend on for many years, an international group of volunteer authors, coauthors, and associate editors—all...least one peer re view. Finally, an outstanding group of professional copy editors, proofreaders, graphi...industry. Mudd graduated from Washington University in St. Loui s, Missouri, in 1883, and served as a colonel... William H. Langer Keith G. Papke U.S. Department of the Interior U.S. Geological Survey Lakewood, Colorado |  | | Book | | Algonkium n s. Proterozoikum Algovit m algovite (group of augite-plagioclase rocks) a-Lineation f a-lineation...metal, metalloid Alkalimetallgruppe f alkafine group alkalinisieren to alkality Alkalinität f alkalinity...distance Aphrosiderit m aphrosiderite (variety of chlorite) Aphthitalit m aphthitalite, K,Na[SO,], Apjohnit...Atomgitter n atomic space lattice Atomgruppe f atomic group Atomhülle f shell of the atom Atomkern m atomic...Biotitgranit m granitite Biotitgruppe f biotite group Biotitisierung f biotitization Biotitschiefer m |  | | Book (edition) | | Felspar Group 144 Amphibole Group 151 Pyroxene Group 157 Sodalite 160 Group Garnet Group Mica Group...Group Chlorite Zeolite Group Group 164 . . . ,- ... . . . 179 . . .184 , . . THE TlTANO-SILICATES...AND OXIDES H 11. OXIDES n 12. n (Quartz Group) n 13. n Haematite H 14 M Magnetite, Corundum...Chessylite, Malachite Rock-salt, Atacamite, Opal : Group): (Quartz CARBONATES: . . 90 . 92 96 . ...Orthoclase, Group) . Microcline, Anorthite : (Felspar Labradorite, . .150 . (Amphibole Group) Hornblende |  | | Book (edition) | | and edited by the Staff of the U.S. Bureau of Mines Second Edition U.S. DEPARTMENT OF THE INTERIOR 1996...territories under U.S. administration. U.S. DEPARTMENT OF THE INTERIOR Bruce Babbitt, Secretary U.S. BUREAU OF...Terms." To develop a modern mining dictionary, the U.S. Bureau of Mines initiated a collaborative project...dictionary, especially the Dictionary Revision Group members and the Bureau's engineers, scientists,...Revision is one of the last publications of the U.S. Bureau of Mines. Although the agency is closing |  | | Book | | field of n1ineral occurrence, there is one broad group of deposits about v.rhich 111ore has been said and...than about all orhers put together. This is the group known as eJJigc11el ic-that is, ores and mineral...greatest producers, for a single class outside this group has turned out a far greater bulk of n1aterial,... and replace1nent deposits, it is because this group has been the object of most attention fron1 the...than have deposits of other types. The other broad group of deposits, sy11genetic ( mi11eral deposits formed |  | | Book (volume) | | Measurements are given in dual systems of units. The U.S. Customary System, continuing in wide applica- tion...making conversions between International System, U.S. Customary, and metric measurements. McGRAW-HILL...extensively characterized. See BORON; METAL HYDRIDES. Thomas Wartik Bibliography. H. C. Brown, Boranes in Organic...1988. Ee ee Borate minerals A large and complex group of naturally occurring crystalline solids in which...planar triangular group BOs, or with four oxygen atoms to form a tetrahedral group BO,. These groups |
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