 | | Report (volume) | | 1)1KP:croft ZINC AND LEAD DEPOSITS OF NORTHWESTERN ILLINOIS BY F( )—ITER BAIN WASHINGTON GOVERNMENT PRINTING...lead districts of Illinois Southern Illinois district Northwestern Illinois district Historical statement...Ordovician rocks_ Oneota dolomite New Richmond sandstone. Shakopee dolomite St. Peter sandstone Platteville...Platteville limestone Galena limestone _ Maquoketa shale Silurian rocks. " Niagara " dolomite. Quaternary deposits...history Ore deposits The ores Minerals of the ores Galena Cerussite Sphalerite Smithsonite _ _ . Pyrite and |  | | Journal (article/letter/editorial) | | Sphalerite and calcite, 5 cm across, Denton mine, Hardin County. Ross Lillie specimen. +!.+!+%% 34!2+ ...chalcopyrite, and sphalerite, 12.7 cm high, Hardin County. Marv Rausch specimen. 3(%,"9 -!#/50). /5 ....3/. 0/0% (!2$). -!33!# 05,!3+) %8 !. $% 2 Illinois Mineral Locality Index 7)..%"!'/ /',% #!22/...(above). Map showing the counties in Illinois, courtesy the Illinois Geological Survey. 96*2: 405...at 19:53 09 October 2014 T he bedrock under Illinois is predominantly composed of Paleozoic sedimentary |  | | Report (volume) | | production� Lead Zinc � Present production Recent mining act ivitScope of this report � Topography. Relief...character. � Fossils Detailed sections� Relations� Galena dolomite Name and character General sections Page....Stratigraphy--Continued. Ordovician rocks—Continued. Galena dolomite—Continued. 29 Thickness � 29 � Fossils 29 �...Relations 33 •� Silurian rocks � 33 � Niagara dolomite 33 � Name � 34 Thickness and character 34 � Fossils...Calcite 51 � Dolomite 51 � Selenite 52 � Barite 52 � Quartz 52 � Paragenesis � 52 Galena or lead ores |  | | Report (issue) | | Geology of the Upper Mississippi Valley Zinc-Lead District By ALLEN V. HEYL, Jr., ALLEN F. AGNEW, ERWIN J...Histoyy Survey, the Iowa Geological Survey, and the Illinois State Geological Survey UNITED STATES GOVERNMENT...Cultural development and facilities related to mining Field work and acknowledgments Scope of the report...report Previous geologic work in the district Geology Stratigraphy Precambrian rocks Cambrian system Upper...sandstone Platteville formation Decorah formation Galena dolomite Upper Ordovician series Maquoketa shale Silurian |  | | Report (issue) | | _.......................... . Situation of the district. ....... ____ . __ .. __________ ................ _. ___ ....... _..... _... _..... __ .. The district. __ ... ____ .... __ ... ___ ... ___ .. ____ .... _. __ ..... __ . _.. __ ...... . History o.f mining .. ___ .. ______ .... _. ________________ . __...____ .... _____ .. CHAPTER IV.-Structnre of the district. ................... _............. _....... __....... _____ . _____ . General structure of the district ......... _....... _............. _... ___ .. |  | | Book | | - I THE GUN SIGHT MINE BY A. M. FLEMING I MEADOR PUBLISHING COMPANY 2 7 Beach Street Boston Massachusetts...in vain for the now conceded mythical Gun Sight Mine, This (True) Personal Narrative is Dedicated by... . 44 84 VI. Jack's Fool's Gold Mine-Dunk O'Toole's Alum Mine . . . . . . . . . . . . . . . . . ....Seriously Wounded by Old Long Bow" 160 X. The Gun Sight Mine Laid Bare by a Cloud Burst 175 XI. We Make an Immense... •I ,, " i p �.. :II I t. f THE GUN SIGHT MINE CHAPTER I MR. JOHN SCOTT AND MYSELF AS PLACER MINERS |  | | Report (issue) | | George Otis Smith. Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT..._____ _ The location, area, and organization of the mining counties of Colorado _________________________..._____________________ _ Alamosa County __________________________ _ Arapahoe County _________________________...Archuleta County _________________________ _ Baca CountY-----------------------------Boulder CountY------...CountY----------------------~----Chaffee County _____________________·______ _ Clear Creek County _______________________ |  | | Journal (volume) | | ELECTROCHEMICAL SOCIETY MEMBER, AMERICAN INSTITUTE OF MINING ENGINEERS VOLUME XXV Supplementing Volumes I...Editor, Engineering and Mining Journal, New York, N. Y. H. Instructor in Mining, South Bethlehem, Pa....(with Y. E. Bogard) Vice President, Wah Chang Mining and Smelt¬ ing Co. Ltd., 233 Broadway, New York...Consulting Mining Engineer, 1411 Merchants Natl. Bank Bldg., San Francisco, Cal. Professor of Mining, Massachusetts...Assistant State Geologist, Albany, N. Y. Editor, The Mining Journal, 15 George St., The Mansion House, London |  | | Journal (volume) | | f.p. for for:v -" ...THE EN. N o GI "RNAL MINE NI'N NG G. J ou VOLUN/1E JANUARY TO LXIII. ...YORPQ. : - . - ". • : THE ENGINEERING AND MINING JOURNAL. VOLUME LXIII. JANUARY TO JULY, 1897...Aluminum, Prices of.................. 565 Accident Mine, Colo.......... 97 63, 159 Aluminum Reduction, Gooch's...118 Alabama Industrial and Scientific Amador Queen Mine, Cal..... ...... 263 Acetylene Gas, Conner's Pat... Doddridge's Pat...... 487 "Alabama, Johns Coal Mine. 74 Amalgamating Process, FischerAcetylene Gas, |  | | Book | | noticed the sign "MINERALS" over the door of a little shop where picture post cards, antiques and various...fives in rocky or mountainous districts, yet know little or nothing of the local minerals. Many can-...The person who throughout his Hfe has dwelt in a district where there are no rocks or stones albeit the...silver, some gem Men minerals sweeps over the district like wildfire. become ardent mineralogists over...Tragedy of a Copper Mine .... 21 of a prehistoric miner who met death in a copper mine and whose body, |
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