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| Nines and Prospects, Idaho Springs District Clear Creek and Gilpin Counties, Colorado Descriptions and Kapa...Energy Commission Introduction The Idoiho Springs mining district forms an important segment of tae Front...From 1859, when placer gold was discovered in Idaho Springs and lode gold in Central City, through 1959...from a 50-square-mile area that includes the Idaho Springs and adjacent districts to the north, west, and...and southwest. The adjacent Central City district, which produced ores valued at more than $100 million |
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| Economic Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I...Geology of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH...___________ Mines and prospects in the Idaho Springs district ________________ Previous studies.____..._________ __________________________________ Sphalerite. _________.__ -_______---_-_-____________'___-_--Galena...are in pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |
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| deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...likely to be present include pyrite, galena, sphalerite, and arsenopyrite (Berger, 1986). These minerals...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...considered by mine operators to be correlated with better gold grades in both areas. Sphalerite was identified |
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| Because of the expense involved in drilling, mining concerns commonly drill enough holes to prove or...or disprove the economic viability of the mining the deposit. This process can lead to a tonnage, and...be reported because they may not be economic to mine at the time they are explored. Balancing these...often more complete because mining concerns attempt to develop long-range mine plans now. It is also more...present the combination of several deposits from a district. Reports of multiple grades from different parts |
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| Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...Metamorphic rocks ________________________ _ Idaho Springs formation _______________ _ Swandy ke hornblende...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________ |
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| North American Geology, 1951 By RUTH REECE KING, VIRGINIA M. JUSSEN, JOHN S. POMEROY, and VSEVOLOD L. SKITSKY...JussEN, and V sEvoLoD L. SKITSKY RuTH REECE l(ING, VIRGINIA JoHN S. PoMEROY INTRODUCTION The current annual...California. Economic geology. Chromite, El Dorado County: Cater, F. W., Jr. Healdsburg quadrangle: Gealey...W. K. Mercur~·, New Almaden mines, Santa Clara County: Bailey, E. H. San Francisco Bay counties: Bowen...Bowen, 0. E , Jr., 3 Mineral resources, Fresno County: Logan, C. A. Geologic maps. Bitterwater Cre€k area: |
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| 1 COUNTY REPORT HYSICAL >ci 8 PHYSICAL •CI. .Lib. IES TN 24 C3 1ERAL RESOURCES OF A34 1 IPINE...IPINE COUNTY, CA! IA -*ci?2®^?^a£~Vfes^A^Gw^i I ver Mou nta i nV-*- Digitized by the Internet...ALPINE COUNTY, CALIFORNIA by WILLIAM B.CLARK With sections on the Zaca gold-silver mine and the...the Leviathan COUNTY REPORT sulfur mine by James R. Evans 8 1977 CALIFORNIA DIVISION OF MINES AND...2 i DOCS. -US Frontispiece. Typical Alpine County scenery. View looking southeast across Twin Lakes |
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| GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H. GARREY..................._.......... . Distribution in Colorado ................................................. . . . . . . . . . . . . . . . . . . . 97 Idaho Springs auriferous area. __ ............. _.. _. _....Boulder County.............. . . . . . . . . . . . ......... . ....... . 103 Ores in Gilpin County ............................... . 103 Orcs in Clear Creek County ............................ . 103 Ores from |
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| so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...service from Superior Jaw Crusher Worthington mining equipment the from the standpoint of first cost...most wear, Worthington meets the needs of the mining industries with a complete line of products, from...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp |
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| California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens |
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| " ; ^,- • ^... -'--' . CALIFORNIA STATE MINING BUREAU. Henry G. FIFTH Hanks, State Mineralogist...provide for the establishment and maintenance of a Mining Bureau," approved April 16, 1880. I have the honor... REPORT. The Act creating the California State Mining- Bureau, approvides for an annual report by the...statistical information in reference to mines and mining as shall be deemed important." In obedience to...Mineralogist, has been prepared. The prosperity of the Mining Bureau, and the growth and progress of the State |
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| KING, ELISABETH S. LOUD, MILDRED CHALLMAN MEAD, VIRGINIA M. JUSSEN and GEORGIANNA D. CONANT PART 2. INDEX... Crossroads: Lyons, P. L., 4. Gilbert H., 10. Colorado, South Silverton area: Expanding horizons: Lay... ADDRESSES ADDRESSES Continued ADDRESSES Continued Idaho, mineral deposits: Hulin, Mineralogy of uranium:...the future: Just, E. ing: Burwell, E. B., Jr., 4. Mining geology, retrospect and Index fossils: Stephenson...biological H. C., 4. phases vs. stratigraphic: Idaho: Hulin, C. D. Cooper, G. A. , 27. Mineral exploration |
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| economically. As a part of our response to the Mining and Mineral Policy Act of 1970, the Geological...the box," in mining parlance; a few examples are the discoveries of the huge Kidd Creek zinc-copper-silver...equivalent of the southeast 3 INTRODUCTION Missouri district can be expected to turn up in the future ; the...mid-1950's on the west side of the Southeast Missouri district resulted in the discovery of the large unexposed...part of the district. With the phoenixlike rejuvenation of the Southeast Missouri district, the Viburnum |
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| TWENTY- NINTH ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR’ 1927 STEWART INSPECTOR... TWENTY- NINTH ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR 1927 STEWART INSPECTOR ...BALDRIDGE, Governor of Idaho. Re In compliance with the provisions of section 5480, Idaho ympiled Statutes...neh IBEUSHAZZARS WITH ask a Ae Se et ee Oe ee ae MINE SRESCUEAIN 2THEl@OBUR aDHA TOBINGao oeeeies te eee...IBANINOCK COUNTY i xcec2 oh cccen eke tee ceca ksee see oe coe ee Beeroeeree BEAR SIGAKE: COUNTY: cn 625 |
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| Is EIN Mining Industry of IDAHO FOR THE YEAR 1928 UUUGEQEONGRGOUUEEEOOUOONGOUUOOGOQEOOOQOUVONOQO...EcIUUUGGMOUAN THIRTIETH ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR 1928 STEWART INSPECTOR ...BALDRIDGE, Governor of Idaho. SIR: In compliance with the provisions of section 5480, Idaho Compiled Statutes...Sem OWNERSHIP STS VIS OF TIMBER ON UNPATENTED MINING 2 cere ee Ra ye pe a a RLECTRICIEY ON THE COURT...BBAR GIAKBS COUINT Yee cele ewe ds IBDN BEWAH. COUNTY 1M nook oe 0d ee a 0 ee ae ee ie yee IBUINGTRUAINE |
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| A. Logan, District Mining Engineer C. Jenkins, Chief Geologist McK. Laizure, District W. Burling...Tucker, Reid J. Mining Engineer District Sampson, Assistant Mining Engineer District Engineer Chas...Chas. V. Averill, District Mining Engineer George John L. Gary, Mineral Technologist F. Bongard, Ore-Buyers'...C. Statistician and Curator O'Brien, Junior Mining Engineer (Librarian) Eldridge D. Drew, Geological...OF CONTENTS Page DISTRICT REPORTS OF MINING ENGINEERS 7 Sacramento Field District 7 San 7 Francisco |
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| MINING INDUSTRY OF IDAHO eo Cen ee for 1952 BSA7, FC. TLS S4¥ th 1952 GEORGE VIOLET A. McDOWELL...Mines - Secretary 954th Annual MINING OF Report INDUSTRY IDAHO for 1952 GEORGE VIOLET A. McDOWELL...Some building. right. upper at seenbe cam Hub Idaho. of Administ the isration campus the of buildin...Excellency, THE HONORABLE Governor LEN JORDAN, of Idaho. Sir: In compliance Code annual Annotated, report...Inspector of Section to transmit of Mines 47-111, Idaho herewith for the year 31, 1952. Respectfully |
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| FORTY-EIGHTH ANNUAL REPORT OF THE ‘MINING INDUSTRY. of IDAHO FOR THE YEAR ARTHUR CAMPBELL Inspector...ANNUAL REPORT OF THE MINING INDUSTRY of IDAHO FOR THE YEAR 19 2476 IDAHO AND PRODUCED COPPER IN...Governor of Idaho. Williams, Sir: In compliance with the provisions of Section 46111, Idaho Code Annotated...Conditions in Idaho Accidents, Description Fatal Accidents Silver Price Made Law Phosphate, Idaho Has Large...Processing Mills, 34 Located in Coeur d’Alene District Lucky Friday Makes Rich Silver Strike South Side |
 | Bramel, Hadley R., Heyl, George R., Cox, Manning W., Ransome, Alfred L., Eric, John H., Wyant, Donald G. (1948) Copper in California. Bulletin 144. California State Mining Bureau | Report (issue) |
| States Department of the Interior Department of Mining, Stanford University liCD LIBRARY 1948 : ...77""V" Zinc-Copper Deposits of the Big Bend Mine, Butte County, California, bv John H. Eric Geology of the...the Lilvama and Pioneer Mines, El Dorado County, and California, by Manning W. Cox, Donald C. Wyant,...California, County, Newton Copper Mine, Amador R. Heyl and John H. Eric ""~V" Pemi Zinc-Copper Mine, Calaveras...Calaveras County, California, by George R. Hevl, Manning W. Cox, and John II. Eric The Gravhouse Area, Amador |
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| THIRTY -SECOND ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR STEWART INSPECTOR CAMPBELL... THIRTY -SECOND ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR 1930 STEWART INSPECTOR ...BALDRIDGE, Governorof Idaho. SIR: In compliance with the provisions of section 5480, Idaho Compiled Statutes...activities a Bunker Hill & Sullivan M. & C. Co.: Valley County.........-+-+++++-+-:eae 6 t Fo ine oIOks Crate...aa woe RAe hemor (Goviboahhb plant of Sullivan Mining Co........--+-++.++++55 Electrolytic cadmium acca |
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| MINES BOISE, IDAHO So THIRTY - THIRD ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR...ROSS, Governor of Idaho. SIR: In compliance with the provisions of section 5480, Idaho Compiled Statutes...Inspector of Mines. MINING 6 ARTICLES SPECIAL INDUSTRY APPEARING OF IDAHO IN ANNUAL REPORTS...--0--eennoe cessecennanaee 26th, cree Building Stone (Idaho) }........--------------0--------cee ee 26th, eee...32d, Bunker Hill & Sullivan M. & C. Co.: Valley County..---.....--.ee WA eee = 25th, ee ee ce ae BE UTS |
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| THIRTY-FIRST ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR STEWART INSPECTOR CAMPBELL...ue THIRTY-FIRST ANNUAL REPORT OF THE Mining Industry of IDAHO FOR THE YEAR 1929 STEWART INSPECTOR...BALDRIDGE, Governor of Idaho. SIR: In compliance with the provisions of section 5480, Idaho Compiled Statutes...tee a ee es ee ANACONDA COPPER MINING Co.: INCLINED ToP SLICE STOPING IDAHO: PORTIAND:: CEMBND: (COs seer...INESWiEOTOTS, OF) SEDEG TAA IVITINGINGC Osteen tees MINE RESCUE. IN) PES CORWR DAU iN IRCCIDENTS) once |
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| REVERE Fy -, . 56th Annual Report MINING INDUSTRY OF IDAHO for 1954 GEORGE EDWARD VIOLET 2 4... Governor of Idaho. Sir: In compliance with the provisions of Section 47-111, Idaho Code, I have...19 eee els Yi 17 33-41 SL oI anes a Maan Idaho Bureau of Mines, Directors Annual Leta et) 2 ...ek Cale TAD ER Bone ns me 8 sel ae eee dasa (Mine? rea Mey INIT agaee eae se eter igs Be EO Operations...2--2-225. ea, County Bear Lake Benewah ................ 96 (Sia stlinore; County, <=... 100 trankiineg |
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| 57th Annual Report of the MINING OF INDUSTRY IDAHO for GEORGE A.McDOWELL EDWARD A. BUSH JEAN CAHLANDER...Secretary 57th Annual Report of the MINING OF INDUSTRY IDAHO for 1955 GEORGE EDWARD JEAN A. McDOWELL... Robert E. Smylie State of Idaho Chairman, Board of Control Idaho Bureau of Mines and Geology LETTER...His Excellency, THE HONORABLE ROBERT Governor of Idaho. E. SMYLIE, Sir: With the permission of the Budget...Director under Section 59-601 and Section 47-111, Idaho Code, I have the honor to transmit herewith the |
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| Gulch-Deadwood district _______________ Whiskeytown district ______________________ Shasta-Redding district _____________________..._____________ Dog Creek (Delta) district __________________ Bully Choop (Indian Creek) district _______________..._______________ Harrison Gulch district ______________________ Hayfork district ___________________________ Minersville...Minersville district __________________________ Trinity Center district ________________________ Canyon...Canyon Creek-East Fork district _________________ 28 29 30 32 33 37 38 38 38 39 40 41 42 42 43 43 44 45 46 |
