 | | Report (volume) | | Rutile and Ilmenite Placer Deposits Roseland District, Nelson and Amherst Counties, Virginia By NORMAN...NORMAN HERZ, L. E. VALENTINE, and E. R. IBERALL CONTRIBUTIONS TO ECONOMIC GEOLOGY GEOLOGICAL SURVEY BULLETIN...ILLUSTRATIONS Page PLATE 1. Map showing sample location and heavy-mineral content of panned concentrates from...Roseland district-.._._____ 6 TABLES TABLE 1. Location and description of stream-placer samples.__________ 2...Mean weight percents and standard deviations for rutile, zircon, ilmenite, and magnetite in heavy-mineral |  | | Report (issue) | | Pearson, M. E. McCallum, and M. L. Griswold, U.S. Geological Survey, and L. L« Patten, U.S. Bureau of...preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards, and stratigraphlc............................................ Mines and prospects................................................................................ Sampling and analysis of samples................................data............................. Rutile, ilmenite, and topaz in quartz gneiss........................ References |  | | Report (volume) | | LOUD, MILDRED CHALLMAN MEAD, VIRGINIA M. JUSSEN and GEORGIANNA D. CONANT PART 2. INDEX VOLUME 3 : A-L...Published in 2 parts volumes 1 and 2, Bibliography, and volumes 3 and 4, Index UNITED STATES GOVERNMENT...C., 2. Alaska, Blashke Island ultrabasic Geiger and scintillation counters, complex: Walton, M. S.,Jr...responsibilities Geological geomorphology: Russell, R. J., 13. and growth: Koester, E. A.,3. American Petroleum Institute...program: Moody, C. L., 5. R. R., 6. Appalachian folding and sedimentaGeological profession: Stipp, T. F., 2. |  | | Report (issue) | | DIRECTOR Bulletin No. III-A Geology of the'Titanium and Apatite Depositrs of Virginia Bv Tnorues LuoNeno... JorrNsow, Ganaral, Manager of the Chesupealce and' Ohi'o Bail'wag. Trrou-ts lrsoreno W'ersorv, Director...Nova Seotia. Ontario Yukon Territory Australia 2S 2S 2S to Colorado Texas Canada , . . Queensland.... . Microscopic character. Chemical composition and classiffcation.. Details of occurrences 9l 92 ...Megascopic character.. .. IOI .... l0I Size, shape, and structure of the bodies. Mineral composition. r02 |  | | Journal (issue) | | has been given by Hopper and Bollinger (1971), Bollinger and Hopper (1972), and Bollinger (1975a). They...They thoroughly reviewed all available newspapers and journals for accounts or descriptions of local earthquakes...(that is, the earthquake was felt and then reported to a newspaper) and data which were instrumentally recorded...zones: northern Virginia-Maryland, central Virginia, and southern Appalachian, only the central Virginia is...northern Virginia-Maryland and southern Appalachian zones trend northeast-southwest and correlate approximately |  | | Book (volume) | | edition of Dana's System of Mineralogy (John Wiley and Sons, New York, 1944). These corrections, together...the second printing of the work (January, 1946), and are listed here for the information of holders of...qo' cos pa sin delete the brackets around audi and cenier the heading Class over the two left-hand...form e under column p=Ai,for 26°33' read 26°34', and under column Aifor 63°27' read 63°26'. 41 20, ...14, down 556 read 566. for t&hlts read atXas, and for 1922 read wider Roy. Soc. Edinburgh, Trans, |  | | Report (volume) | | LOUD, MILDRED CHALLMAN MEAD, VIRGINIA M. JUSSEN, and GEORGIANNA D. CONANT PART 1. BIBLIOGRAPHY VOLUME...Published in 2 parts volumes 1 and 2y Bibliography, and volumes 3 and 4, Index UNITED STATES GOVERNMENT...LOUD, MILDRED CHALLMAN MEAD, VIRGINIA M. JUSSEN, and GEORGIANNA D. CONANT INTRODUCTION This bibliography...the geology of the United States (including Alaska and Hawaii), the rest of the North American continent...including Greenland, the West Indies, and adjacent islands, and also Guam and other Pacific island possessions |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY URANIUM AND THORIUM IN PRECAMBRIAN CRYSTALLINE ROCKS OF THE MEDICINE...MOUNTAINS, NORTH-CENTRAL COLORADO by M. E. McCallum and A. L. Burch Open File Report 80-458 1980 INTRODUCTION...metasedimentary and metaigneous rocks. One pluton, named the Rawah batholith by McCallum and others (1975)...(1975), occupies more than 1550 km 2 (600 mi 2 ) and is a major geologic feature in this portion of the...have been dated at 1.7H b.y. (McCallum and Hedge, 1976) and they are equivalent to Boulder Creek age |  | | Report (issue) | | Francisco, and through our regional offices at Los Angeles, Sacramento and Redding, and ai^e also available...available at many of the public libraries and universities of the western states. In many cases they were...our permission, by technical journals, magazines and newspapers. As there has been a dem.and for a complete...arranged tiiat it may be revised and expanded as marketing conditions change, and it is the intention of the... occurrence, preparation, uses, tests, markets, and possible buyers, with a bibliograpliy concerning |  | | Journal (issue) | | a 80 and 220 Galaxy metal bonded diamond grinding wheels plus one each of 280, 600, 1,200, and 3,000...consist of a 80 and 220 metal bonded diamond grinding wheels plus one each of 280, 600, 1,200, and 3,000 resin...NO. 01 • January 2020 42 ON THE HUNT FOR TOPAZ AND DIAMONDS Queensland Australia’s O’Brien’s Is a Fossicking...75244. Periodicals postage paid at Dallas, TX 75260 and at other mailing offices. Printed in U.S.A. Copyright...Single-copy price $5.99. Subscription in U.S.A. and possessions: 1 year (12 issues) for $29.95; 2 years |  | | Journal (issue) | | where macro-minerals are available for collection and study are becoming of increasing rarity year by year...the halcyon days where the few pioneers in the art and science of mineral collecting for any reason, though...quality material from many working mines and ancient but untouched mine dumps. The metalliferous mining industry...working at a small fraction of its former activity, and high quality material formerly enriching more ancient...exploited by the dealers. Mineralogists, amateur and professional alike, are being forced increasingly |  | | Journal (article/letter/editorial) | | sciencedirect.com ScienceDirect Russian Geology and Geophysics 59 (2018) 1087–1099 www.elsevier.com/locate/rgg...Klyuchevskaya group, and its eruptive products are xenolith- and enclave-bearing basaltic andesites and dacites....trachyandesite differ systematically in petrologic and geochemical characteristics from all previously studied...Tolbachik volcano Introduction Studying xenoliths and various inclusions transported by magma to the surface...structure of magma plumbing systems of the volcano and interaction with surrounding rocks. Furthermore, |  | | Report (issue) | | of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound by The...Virginia, W.D., W.T., and Web to the memory of Bill, George, Jewell, Mar, and John and to each of the others...include nearly 350 locality listings and 14 mineral species and varieties not on previously published...listing of the minerals, and (3) resumes of four rather well-known mineral localities and two particularly noteworthy |  | | Journal (article/letter/editorial) | | associated with Elephas antiqims, E. primigenhm, and Equus fossilis, etc. Their age is probably post-Glacial...gravels with polished pebbles at Savernake Forest, and his comments on the climate of those times are pertinent...were prevailing, and yet that " w e have indications of drought in some of the mollusca and small mammals—perhaps...steppe conditions is still meagre. Lagomys pusillus and Spermophilus are known from the Ightham Fissures...country. But at the same time, though the melting and retreating ice-sheet provided great quantities of |  | | Journal (article/letter/editorial) | | had been presented to the Society by the artist and A. G. Re"::~aw, Esq., F.G.S. The List of Donations...Searles V. Wood, Esq., the Rev. W. Downes, B.A., and D. Pidgeon, Esq., in illustration of their papers...Specimens of Voluta Lambertl from the Coralline Crag, and of Cyprina angulata from the Blackdown beds, exhibited...Fleming, belonging to the Museum of Practical Geology, and brought here tonight by the kind permission of the...has but partially imbedded itself in the sediment, and in subsequent silicification a film of chalcedony |  | | Journal (article/letter/editorial) | | Evidence for mixed contribution of mantle and lower and upper crust to the genesis of Jurassic I-type...2, João Mata2, and Ágata Alveirinho Dias1,2,† 1Institute 2Instituto of Science and Environment, University...nature of the sources, the petrogenetic processes, and the tectonic regime(s) of the Jurassic magmatism...chemistry, and whole-rock element and Sr-Nd-Hf-Pb isotopic geochemical data from granitic rocks and microgranular...been identified (referred to as Macao Group I [MGI] and Macao Group II [MGII]). It is proposed that the granitic |  | | Journal (article/letter/editorial) | | 17. The Btrs~m~ PSB~r,~-B~DS of the ~ I D ~ D S and the SovEeE of theirMATERI~LS. By Prof. T. G. B o...developed on that moorland. A second appeared in 1883, 2 and the subject was mentioned in my addre.~s to Section...hypothesis which I had adopted in regard to the origin and history of these pebbles. Besides this, I published...with a view of obtaining the necessary facts, 6 and in 1895 7 a note on the Budleigh Salterten pebbles...1886, drawing up a summary of the whole evidence, and pointing out its bearing on the hypotheses which |  | | Report (issue) | | 600-B Scientific notes and summaries of investigations in geology, hydrology, and related fields UNITED... CONTENTS GEOLOGIC STUDIES Mineralogy and petrology Page X-ray and chemical analysis of orthopyroxenes...Bushveld Complex, South Africa, by G. A. Desborough and H. J. Rose, Jr__ ________ _________ ____ ________...______ _______ __________ ____ _______ Occurrence and composition of biotites from the Cartridge Pass pluton...Nevada batholith, California, by F. C. W. Dodge and J. G. Moore------------------------------------- |  | | Book (edition) | | C. Thom Karst geomorphology and hydrology D. J. Marshall D. C. Ford and P. W. Williams The changing...Environmental change and tropical geomorphology Principles of physical sedimentology I. Douglas and T. Spencer...Oldfield and R. Thompson R. S. Bradley Experim en ts in physical sedimen tology Rocks and land forms...Geomorphology and soils Sedimen tary structures K. Richards et al. (eds) J. Collinson and D. Thompson...processes A. D. Abrahams (ed.) Sedimentology: process and product M. R. Leeder The history of geomorphology |  | | Book | | SQUARE, W. 1905. LONDON PRINTED BY STRANGEWAYS AND SONS, TOWER ST., CAMBRIDGE CIRCUS, W.C. : PREFACE...Woodward, and was nearly com- the fortieth volume other geologists urged upon me General Index, and, bility...desirafortified by a grant from the Royal Society, and with the support of several friends, means have...geological wife. It is essay at a comprehensive Index, and, needless to say, never make another. indulgence...wife's unfailing carrying her task through to and assistance, I work through the I gratefully |  | | Book (edition) | | LIBRARY 11056 560 ERI AN INTRODUCTION TO FOSSILS AND Archbishop Mttty High School Library 5000 tviiity...foOOeri c 560 ERI AN INTRODUCTION TO FOSSILS AND MINERALS SEEKING CLUES TO THE EARTH'S PAST The Changing...95129 EC1K ChaotPr 7 AN INTRODUCTION TO FOSSILS AND MINERALS: SEEKING CLUES TO THE EARTH'S PAST Copyright©...Data Erickson, Jon, 1948An introduction to fossils and minerals: seeking clues to the earth's past / Jon...changing earth) Includes bibliographical references and index. ISBN 0-8160-2587-8 (acid-free paper) 1. Fossils |  | | Report (issue) | | Geochronology, Cosmochronology, and Isotope Geology was held in Edmonton, Alberta, Canada, in 1967; the second was...was in Bern-Zurich, Switzerland, in 1969; and the third took place The meeting in Paris, France, in 1974...Subcommission Of Geochronology; Lunar Science Institute; and National Committee on Geology, National Academy of...125; the final volume is almost double that number and triple the number of pages originally planned for...Denver in order to review and edit the manuscripts, prepare cameraready copy, and organize this publication |  | | Journal (issue) | | 10 CROCOITE: SPANNING SERBIA AND TAZMANIA Once rare, now abundant and always beautiful Bob Jones 62...WULFENITE ARIZONA STYLE (PART III) Jenni Clark and Leigh Twine REGULAR COLUMNS Field Notes ..........75244. Periodicals postage paid at Dallas, TX 75260 and at other mailing offices. Printed in U.S.A. Copyright...Single-copy price $5.99. Subscription in U.S.A. and possessions: 1 year (12 issues) for $29.95; 2 years...years for $74.95. Add $24.00 per year postage for Canada and all other foreign countries. EDITORIAL CONTACT |  | | Journal (volume) | | 11 1949 Number CALIFORNIA JOURNAL OF MINES AND GEOLOGY LIBRARY iWIVERSITY OF CALIFORNIA Davis ...thousand books and scientific journals on geology, mining, mineralogy, chemistry, metallurgy, and related...periodicals devoted to the petroleum and mining industries, and newspapers from the mining centers of...rocks, mine models, etc.; a service laboratory for the determination of California minerals; and a conference...public and to sell publications of the Division. Publications are also sold at the Los Angeles and Sacramento |  | | Journal (issue) | | 44 10 STALACTITE MINERAL SPECIMENS Odd, Uncommon and Beautiful Bob Jones 16 RIVER GOLD 52 36 EYES on...on Arizona: Quartzsite The Hunt for Rocks and History Helen Serras-Herman 44 EYES ON ARIZONA: ROAD TRIP...Brace-Thompson 24 MINERALS AND METALS OF THE BIBLE Brimstone, Salt, Copper, and Clay Steve Voynick 52 WULFENITE...STYLE (PARTII) REGULAR COLUMNS Beautiful, Fragile and Colorful Crystals Bench Tips .....................777-2325 Periodicals postage paid at Dallas, TX 75260 and at other mailing offices. Printed in U.S.A. Copyright |
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