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| BULLETIN 527 ORE DEPOSITS OF THE HELENA MINING REGION MONTANA BY ADOLPH KNOPF WASHINGTON GOVERNMENT............................ Historical sketch of mining...................................................................................... Field work and acknowledgments............................................................ ............ Character and distribution of the rocks................................................................ Cambrian and Devonian systems................................ |
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| Geology and Mineral Deposits of the Jefferson City Quadrangland Lewis and Clark Counties...Counties, Montana By GEORGE E. BECRAFT, DARRELL M. PINCKNEY, and SAl\II ROSENBLUM GEOLOGICAL SURVEY PROFESSIONAL...1922Geology and mineral deposits of the Jefferson City quadrangl~, ·Jefferson and Lewis and Clark Counties...Montarra, by George E. Becraft, Darrell M. Pinckney, and S·am Rosenblum. vVashington, U.S. Govt. Print. Off...1922Geology and minerai deposits of the Jefferson City quadrangle, J e:fferson and Lewis and Cl ark Counties |
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| MINERAL AND ENERGY RESOURCE ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA Edited by...Ludington2 , and A.E. McCafferty1 Open-File Report 96-683-A This report is preliminary and has not been... or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government... MINERAL AND ENERGY RESOURCE ASSESSMENT OF THE HELENA NATIONAL FOREST, WEST-CENTRAL MONTANA U.S. GEOLOGICAL...west-central Montana. It lies in the vicinity of Helena, the capitol city of Montana, and includes Federal |
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| now known, in post-Jurassicand pre-Oligocenetime, and is in all probabilityof late Cretaceous age. The...entitled"Ore Depositsof the Helena MiningRegion,Montana," Bull.U.S. Geol.SurveyNo. 527(in press). Io 5...margin of the granite and in the roof rocks coveringthe granite. Some of the mining districts whoseore depositsare...the Boulder batholith are Wickes, Helena, Rimini, Elkhorn, and. preeminently, Butte. The Roof Rocks of...beddedseriesof lavas, breccias,and tuffs, with someinterstratifiedquartzite, shale,and limestone. At most localitiesthe |
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| 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C. SCHRADER UNITED STATES..._.....________-__-__-.___-_-----------_-__ Area and field work.__-.-.________-___-__-___.-_----_-----__-Arrangement...____________________________________ Topography and geology.-__-__-____--.-___-_-_-.----------__._ Ore...work..__.......__._____________.____ 8 History and production._________-;.-___-__---__-_-_-_-__---____...(Algonkian)._______________________________ Paleozoic and Mesozoic rocks--______.______-.__.._.____ Tertiary |
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| IN THE NORTHERN PART OF THE BOULDER BATHOLITH, MONTANA by Darrell M. Pinckney U. S. Geological Survey...preliminary and has not been edited or reviewed for conformity with U. S. Geological Survey standards and nomenclature...assemblages .....'......»..... ». 25 Quartz-tourmaline asse iblage ,v ............. 1 Pyrite-quarti.... Quartz and chalcedony relations in veins of mixed type * U6 Arrangement of quartz and chalcedony...features ......... . .. Purpose of additional work and method of study Structural control of alteration |
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| ECONOMIC GEOLOGY AND BULLETIN OF ECONOMIC VoL. 52 THE THE SOCIETY OF GEOLOGISTS No. NOVEMBER...McKINSTRY ABSTRACT The amountsof iron in fresh rocks and their altered equivalentshave been comparedby recalculatingmany...planned samplingas carried out in Butte, Yellowknife and a very few other districts is neededelsewherebef...beena matter of commentbut as mostpresentations and discussions of com739 ?40 HUGH McKINSTRY parativeanalyses...ironcontent, conventionally reportedas Fe•.Oa,FeO, and sometimes FeS2into total iron computedas Fe. Estimates |
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| between 35° and 36.6° North latitude and bounded on the west by the Mississippi River and on the east...Cenozoic sediments of the Mississippi Embayment and Gulf Coastal Plain in the western part of the state...state. Just prior to crossing the Tennessee River and continuing through the middle of the state are weakly...Central Basin, and Cumberland Plateau. Continuing east beyond the Cumberland Mountains and Cumberland Plateau...moderately deformed Paleozoic sediments and rare igneous rocks of the Valley and Ridge, which change crossing the |
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| • O. C. SCHMEDEMAN. ABSTRACT. The assumptions and evidences uponwhichthe present"alkaline" theoryof...solutionsare originally acid and become neutral or alkaline only after long travel and recognizablereaction with......................................... History and Assumptionsof the Alkaline View .......................... ' ............. 787 789 789 790 Lime and Magnesia ....................................................................... Nacrite, Dickite and Kaolinite: Andalusite, Sillimanite, Topaz, etc.. |
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| OF THE UNITED STATES COMPILED BY SAMUEL SANFORD AND RALPH W. STONE WASHINGTON GOVERNMENT PRINTING OFFICE...OF THE UNITED STATES. Compiled by SAMUEL SANFORD and RALPH W. STONE. INTRODUCTION. By EDWARD W. PARKEH...Resources of the United States" (the volumes for 1882 and 1887) consist of lists of the useful minerals in...$2,000,000,000, and the investigations made by the United States Geological Survey and the State geological...minerals and includes a glossary showing the composition and character of each mineral and the location |
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| STATES**-^ COMPILED BY FRANK C. SCHRADER, RALPH W. STONE AND SAMUEL SANFORD A revision of Bulletin 585 WASHINGTON.......................................... 102 District of Columbia ......................................... 139 144 146 153 158 163 169 . 172 174 Montana........................................................................................ Glossary and index.............................................. Compiled by FRANK C. SCHRADER, EALPH W. STONE, and SAMUEL SANFORD. INTRODUCTION. The volumes of the |
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| formations underlie Ohio’s Pleistocene surface debris and Quaternary soils. For long ages Ohio lay beneath...of Ordovician, Silurian, Devonian, Mississippian and Pennsylvanian sediments; the erosional products of...the nation in the production of limestone and dolomite, and second in the production of clays. Lesser...Lesser production of iron, petroleum, natural gas and coal from thick beds contributes to the mineral economy...mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the Arizona agatized |
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| formations underlie Ohio’s Pleistocene surface debris and Quaternary soils. For long ages Ohio lay beneath...of Ordovician, Silurian, Devonian, Mississippian and Pennsylvanian sediments; the erosional products of...the nation in the production of limestone and dolomite, and second in the production of clays. Lesser...Lesser production of iron, petroleum, natural gas and coal from thick beds contributes to the mineral economy...mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the Arizona agatized |
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| 5H GEM HUNTER'S GUIDE HOW TO FIND AND IDENTIFY GEM MINERALS FOURTH REVISED EDITION INCLUDING A COMPLETE...OF THE BEST HUNTING LOCATIONS WITH 89 DETAIL MAPS AND 8 PAGES OF COLOR PHOTOGRAPHS -»— QAANCHViL I ^/...Revised Edition This latest edition of revised and updated, Gem lists Hunter's Guide, more than a...States, Canada, and Mexico where gems have been and can be found. This is the first and only book to present...information and is designed to lead amateur mineral collectors to America's precious and semipre- cious |
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| MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...identify gem minerals and judge their value. More than lOO maps, photographs, and line drawings HP EM...on gem collecting has now been completely revised and expanded to list more than fifteen hundred localities...comprehensive information, and is designed to lead the amateur collector to precious and semiprecious stones...tested digging under the names of the nearest towns and counties. More than fifty maps have been added or |
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| Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU OF MINES Special Publication 31 in association...of Mines and Geology Special Publication 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright...Weissman, and Sugar White copyright © 2004 unless otherwise noted Map of Mining Districts and significant...occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved Manufactured in the...B. Castor and Gregory C. Ferdock.— Ist ed. p. cm. Includes bibliographical references and index. ISBN |
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| VOL. VIII JANUARY, 1902 N0. H A TRIP TO NIAGARA AND WHAT CAME OF IT. BY H. R. GoonwrN. [Read before the...visited Niagara Falls and while there heard that the Niagara Falls Electric Light and Power Co. were excavating...hastily gathering up a few specimens of selenite and calcite, I ascend ed the ladder, a rather difficult...the next day and succeeded in getting good specimens of calcite in acute scalenohedrons, and also in crystals...showed. These crystals lined the side of cavities and fis sures in the gangue, the intervening space being |
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| parents, Professor and Mrs. Vernon Culp who gave me an early love of beauty, and to my husband Albert...Albert who focused that love on the world of gems and minerals. PREFACE Mose Are m o w rare_ :. Z7 t h e...beer _7_ ___ w h e r e there ace a w a y m a r open and v a n sc-F. _ Ismid m e M a e tended up = O m O r...ennipisiag e M o a n m s s o w s a i l M u i r Pininands and f o r g e t — n e m n o n s w i s s a n d asnienes...several times, I have f o o t I s mg- n o w i s e and delight that there a r e many locall - rs where amomeor |
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| of Kimball Co. where it overlooks both Colorado and Wyoming. The subsurface rock strata of the entire...undisturbed sedimentaries: sandstone, limestone, shale and clay, with the oldest formation lying in the southeastern...appearing in cut banks, in draws and breaks along regional rivers, and outcroppings through the Quaternary...Greatly eroded sandhills fan out across the west and northwest counties, while the farthest west reaches...insomuch as both the Black Hills of South Dakota and the scenic Badlands thrust long spurs into this part |
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| jflnzona mining Directory A DIRECTORY OF Arizona^s Mines^ Mining Districts Owners or Operators AND POSTOFFICE...POSTOFFICE ADDRESSES (Yavapai County) Copyright RUSSELL H. J 903 MILLWARD PRESCOTT, ARIZONA Published...Published by The Arizona Mining Directory Prescott, Arizona Price $2.50 '-^ ' • THE LIBRARY OF...Yavapai, the treasure county of Arizona, has developed beyond the speculative stage and mineral the country...the richest merely on the threshold of is mmes and although accredited with more patented other subdivision |
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| Director Bulletin 891 GEOLOGY AND MINEEAL KESOUKCES OF THE HONEYBKOOK AND PHOENIXVILLE QUADBANGLES, PENNSYLVANIA...PENNSYLVANIA BY F. BASCOM AND G. W. STOSE UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON: 1938...Location and area.__-______-________.___-___-__-___--__--_--__ 2 2 Climate, vegetation, and culture...-------- ____-______-_-._ . 16 Rocks of Honeybrook and Phoenixville quadrangles.___-__.___-__ 18 Pre-Cambrian..._________-____ 28 Serpentine, metapyroxenite, and metaperidotite.__--__ . 29 Gabbro....__..__.--- |
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| North American Geology, 1959 By RUTH REECE KING and otlters GEOLOGICAL SURVEY BULLETIN 1145 This...Mildred Challman Mead, Eleanor H. de Chaden'edes, and Florence V. Oftedahl UNITED STATES GOVERNMENT PRINTING...NORTH AMERICAN GEOLOGY 1959 By RUTH REEcE KING and others 1 INTRODUCTION The current volume lists...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-but |
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| 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. |
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| JULY–AUGUST 2019 Articles The Auglaize quarry, Paulding County, Ohio ...........................................399 by J. Medici & K. Bladh Fluorite find in the Valley of the Fiescher Glacier, Oberwallis Region, Switzerland...Claeys & T. Costes Johannes Kentmann (1518–1574) and his mineral collection ............... 461 by W....cm, from the Auglaize quarry, Paulding County, Ohio. Joe and Susan Kielbaso collection; Jeff Scovil photo... (outside USA other than Canada) $265 for one year Subscription (Libraries, companies and institutions): |
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| FEBEY-QUABBYVILLE DISTEICT PENNSYLVANIA BY ELEANORA BLISS KNOPF AND ANNA I. JONAS UNITED STATES GOVERNMENT FEINTING...district__-___.____-_-_--------_-------------_-Field work and acknowledgments.-___-__---____----_-_-_----_-Previous...Outline of the geology of the Appalachian Mountains and the Piedmont province-------.--------------------------------------..._-_---___ Geology of the McCalls Ferry-Quarry ville district. ________________ Pre-Cambrian rocks of sedimentary...origin..__________________ Pre-Glenarm rocks of the Mine Ridge upland__.______._. Baltimore gneiss._.___-__-_--__-____ |
