 | | Report (issue) | | Triassic deposits 31 Mineral localities 38 District of Columbia Mavtrl a Tirl IWlCfci JT XClilUl...Figure 11. Water-filled adit of the Choate chromite mine in the Figure 12. Soldiers Delight region, Baltimore...Bok Asbestos -mine* Hollofield, Maryland. Figure 14. Road leading to the Bok Asbestos mine, Hollofield...15. Anthophyllite asbestos from the Bok Asbestos mine, Hollofield, Maryland. Specimen is 11 cm long....Maryland. Figure 20. Location of the Mineral Hill mine, Louisville, Maryland. Cl) Main shaft and dumps; |  | | Book | | THE ORE MINERALS AND THEIR INTERGROWTHS by DR. PAUL RAMDOHR Heidelberg English translation of the 3rd...pleased about the growing interest in my special field of study. I t was my idea to start the work for...over-occupied sites on the other hand are higher also in ore minerals t h a n thought until now. Both of these...very easily and clearly be distinguished under the ore-microscope, can practically be identical in regard...were collected by the writer himself during his field trips and journeys. The Locality Index has again |  | | Report (issue) | | Professional Paper 148 GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS...Contact metamorphism _ 37 Geologic age _ 37 Weber CO formation _ 38 Name_ 38 Distribution, thickness,...sedimentary formations_ 41 Thickness of cover above ore deposits_ 41 Chapter 4. Post-Cambrian igneous rocks_...Porphyries—Continued. Page Faults formed subsequent to ore deposition 85 Structural features of porphyries at...fold-fault _ Faults in the eastern part of the district 95 62 Kokomo syncline_ Faults southeast_ of _ |  | | Book (volume) | | BUREAU . • IRON ORE. (SUMMARY OF INFORMATION AS TO THE PRESENT AND PROSPECTIVE IRON-ORE SUPPLIES OF THE...BUREAU. IRON ORE. (SUMMARY OF INFORMATION AS TO THE PRESENT AND PROSPECTIVE IRON-ORE SUPPLIES OF THE...chief producer of iron and steel, as well as of iron ore. The industry had its beginnings along the A.tlantic...* 'The chief sources of the United Sta;tes iron ore at the present da,y a.re the hrematite deposits of...consumer a-s well as the 1efl.ding producer of il'on ore, its con~.umption and output be~ approximat&ly two-fifths |  | | Report (volume) | | DEWEY. PUDLJIJJJl:l:1) BY onnl:': ll OY THB LORDS CO)(MJSSlONSRS l)p Hl.9 )!AJ£8TY1 S 1'RBASU&Y. :---------------... ST. ANDREW SQUARE, EDINBURGH: HODGES, FIGG1S &; CO., LTD., GR.H'TON STRE&T, DUB T,IN. . Fr~m any Agent...which a large proportion of our home-production of ore is now derived. Later memoirs contain descriptions...be little more than a remote possibility. Tbo .field-work which ,vas necessary was carried out in 1917...Dr. Gihson. \Ve \lave to acknowledge the cordial co-operation of the ma.ny owners and managers of mines |  | | Book | | Gas Exploration in China B&R Book Program Marine Oil and Gas Exploration in China Yongsheng Ma Marine...Gas Exploration in China B&R Book Program 123 Yongsheng Ma Sinopec Beijing, China ISBN 978-3-662-61145-6...print edition is not for sale in China (Mainland). Customers from China (Mainland) please order the print...manuscript of Marine Oil and Gas Exploration in China draws to a close, I think it is necessary to explain...strata to the peers around the world interested in China oil and gas industry. The geological conditions |  | | Report (issue) | | followed, in alphabetical order, by 78 sections, each co,;-ering a mineral comm·odity or group of closely...the increasing complexity of the mineral market field require that this prog-ram be a continuing one.... Conr·rntrations of minerals, as in the case of ore deposits, have c-0111e about in many different "ays...formations m11st :first be deter111ined through field stlldy of stratigraphy and :-;tructure. Eaeh roc:k...Po,,ible age in millions of yen.rs 176-~ID-~RAL Co:\.LUODITIES OF C _.\.LIFOR~-u Geolor,ic time scale |  | | Report (volume) | | ___________________ ____________ _____________ Mineralogy of the ore ___ __ _________ __ __ ____ _______ ____ ____ ___...ructu ra l relations of the ore ___________ ___________ _____ __ _ . ize of ore depo it --------------------------------...-------------------------------- - --- ---Typc of ore deposits _____________________________________ _ Depo its in fau...131 132 132 133 134 136 137 13 13 150 151 CO t TENTS Ore deposits-Continued. Mines-Continued. Dodd City...CONTEr TS Page ketch map of t he fractu r along the ore ru ns at Bald H ill ___ 12. Plan of Lucky D og m |  | | Book (edition) | | RlViNGIONi WtIiTlAK£B, & CO.; I£60 St SONS ; ' 8IMPKIN, MARSUALLy 9s CO. ; AND ; C. TILT* M.DCCC...Printed by : Thouas Allan & 165 HJigh StKCC. Co. • m TO JOHN GEORGE CHILDREN, Esg. ONE OF...to delineatc the geographical features of the district which he may be exploring. Of the comparative...of lustre, a mineral is described as being duXL ; Co/our. seems requisite to notice colour, though in...and colour of steel, or rather of micaceous iron ore, the specific gravity of which is 4*948. It is crystalliz* |  | | Report (volume) | | Area; some sketch maps included Areas covered by field trips History of various organizations or geological...methods of testing and the like Listed .by. name of ·field Papers written for the layman Rock names and areas;...Fillmore County: Pederson, C. A. New Jersey, Dover district, magnetite: Sims, P. K., 1. South Dakota, Black...geology. Iron, Dover district, magnetite: Sims, P. K., 1. Iron. New Jersey, Dover district, magnetite: Sims...under an individual entry: that is, a special oil field, under Oil and gas fields; general papers on aeromagnetic |  | | Report (issue) | | Hills ____________________ _ Willow Creek lava field ________________ _ Generalfeatures __________________...Cranes Flat ______________________ _ Blackfoot lava field ___________________ _ General features __________________...surveys ______________________ _ 81 Park City district, Utah ________________ ' 81 Southwestern Wyoming...______________________ _ Sugarloaf district _____________________ _ Cranes Flat district- __________________ _ ,Little...Little Valley district __________________ _ Tincup River district __ ~ _______________ _ South Caribou |  | | Book | | done by introducing a given weight of the chalk, CO&c., and hydrochldric (muriitic) acid into it, when...they form a compound differing from both its • CO. component parts, and not being decomposable by mechanical...with combustible, substances. It has no smell or co( be concenlour, but a very acid taste, and it nay...and crystallized. It is obtained from the red lead ore of Siberia, by boiling it with potass, and . treating...See ANTIMONY, CHLORIDVF. .Antimony, Ochre V. An ore of antimony of a reddish colour; it consists chiefly |  | | Book (volume) | | Crown 8vo, 8s. 6d. net. LONGMANS, GREEN AND CO. LONDON, NEW YORK, BOMBAY, CALCUTTA, AND MADRAS...VOLUME W/TB 274 I DIAGRAMS LONGMANS, GREEN AND CO 39, PATERNOSTER ROW, LONDON 55, FIFTH AVENUE, NEW...however, presents to our senses a panorama of phenomena co-mingled in endless variety so that we are sometimes...it is less effectively promoted by genius than by co-operation, and more frequently the result of accident...it is an organized body of facts which have been co-ordinated and generalized into a system. Science |
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