 | | Report (issue) | | Geology and Ore Deposits of the Rico District, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 723...723 Geology and Ore Deposits of the Rico District, Colorado By EDWIN T. McKNIGHT GEOLOGICAL SURVEY ...------------------------------------Location and geography of district -----------History --------------------------...-------------Middle and Upper ( ?) Pennsylvanian Series_ Rico Formation ---------------------Permian System -...S.tructure-Continued FauUs-Continued Sandstone Mountain fault ---------------Princeton fault -------- |  | | Report (issue) | | for foreign countries, if a given name refers to a mine or deposit, a nearby location or administrative...names may be used to refer to a single deposit or mine. For large deposits or mineralized areas, a 3 single...Deposit/Site_Name, is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic...duplicates, for some areas we report information for a district or area, as well as for specific deposits or mines...285, p. 77-83. Argentina National Mining Secretariat, 1994, Mining Investment in Argentina: Directory |  | | Report (volume) | | SMITH, DIRECTOR 408 A RECONNAISSANCE OF SOME MINING GAMPS IN ELKO, UNDER, AND EUREKA COUNTIES, NEVADA.................................-- - --Prospect Mountain quartzite................................... ........................................... Lone Mountain limestone........................................................................... Mountain ranges and mining districts...................................................... Midas or Gold Circle district........................................ Location |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...prohibitions on collecting or to private land or mining claims for which permission has been obtained....been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951, |  | | Report (issue) | | ———————————————————————————- —• —— -——————————— 18 Puerto Rico and Virgin Islands ——————————————— - —————————————...Puerto Rico ——————————————————————————————————————————— 23 15 Crustal model across Puerto Rico ————...Bouguer gravity anomaly map of southwest Puerto Rico ———————— 26 17 Gravity model across Guanajibo...and White in a special issue of Engineering and Mining Journal (1977) are key elements of this review...provided additional details on the deposit: "In the mine vicinity the .... assemblage consists of serpentinized |  | | Book | | Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones...gemstones, instead of metallic ores, and mining for turquoise was enormously extended throughout the...had been sending great expeditions to prospect and mine for it throughout the Sinai Peninsula since at least |  | | Report (issue) | | INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation...Acknowledgment -Mining districts Commodities Production Descriptions of mining districts . Alder district-Aura district...district -Beaver district Black Mountain district Bootstrap district Burner district Burns Basin district--...-Carlin district Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia...Cornucopia district - -Corral Creek district - Decoy district Delano district Delker districtDivide district |  | | Journal (issue) | | NO. 4 • APRIL 2021 10 ARIZONA’S PERIDOT MESA GEM MINE A Green Gem Born in Volcanic Lava By Bob Jones ...RandG_official rockngem.com 4 ROCKNGEM.COM ION Mining Cooperative Idaho, Oregon, Nevada Carrasite Jasper...Northwest Steve Schultz Mine Owners * Specializes in and mines Lava Cap Thunderegg, Mine Shaft Thunderegg,...silverstreams.com T&J Rocks Plus Tom & Jessa Pearson Mine Owners *Specializes in Pink Lady Plume Agate and...Arkenstone Gallery of Fine Minerals, Royal Peacock Opal Mine, Kingsley North, Joseph Stachura, Best In Gems, |  | | Book (volume) | | Fourche and Cheyenne rivers. These pine covered mountains, higher than the Alleghenies, culminate in Harney...rocks are exposed as thick bands around the entire mountain system. The rising granite mass intruded the famed...an inexhaustible supply of cold artesian, Rocky Mountain snow melt water. Harney Peak is the crest of the...instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm |  | | Book (volume) | | (25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...Dosen ONN/ QBI96-40247 Trade Distribution by Mountain Press Publishing Company P.O. Box 2399, Missoula...events to bring the history of North American gem mining up to date. Here, then, is the latest, most complete...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout |  | | Report (volume) | | M.E., Mining Geology GeopJiysics ·v. Ann. Mtg., Abs. Tech. PapersAmerican Institute of Mining a d Metallurgical...Metallurgical Engi:peers, :Mining Geology Geophysics Division Ann I Meeting, Abstracts of Techpical Papers...Alberta. Canadian Inst. Mining and Metallurgy Trans.-Canadian Institute of Mining and Metallurgy Transactions...-Canadian Mining and Metallurgi~al Bulletin. Montreal, Quebec. Canadian Min. J our.-Canadian Mining Journal...Proc.-Colorado Scientific Society Proceedings. Denver, Colo. Colo. Univ. Studies, Gen. Ser.-Colorado University |  | | Report (volume) | | 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 |  | | Report (issue) | | 1965. 1966. 1967. 1968. Numerous Federal, State, county, and local agencies and other organizations and...-___ California. _ __________________________ Colorado ______________________________ Montana. _____...Mountains_--_-------------- A41 Precambrian rocks of Colorado.__________ 41 41 Mesozoic stratigraphy.__________________...Southeastern Alaska._______------_----54 Puerto Rico .____--_-_--_--------------55 Geologic maps.__________...5 Florida________________-------------67 Puerto Rico ________--__----------_67 Midcontinent region._ |  | | Book (edition) | | Blvd., Ste. 200 Lanham, MD 20706 www.rowman.com Falcon and FalconGuides are registered trademarks and...previous edition of this book was published by Falcon Publishing, Inc. in 2012 and 2015. Photos by Garret...Earthquakes, volcanoes, windstorms, and floods all move mountains and leave scars that “heal.” A rock balanced precariously...recycling all that surface mayhem, hiding many clues. Mountains rise and then get ground down under glaciers and...common minerals and common metals important for mining. The common minerals form most of our rocks and |  | | Book (volume) | | 5 = fii? i a j — » ya y _— ’* : i mine in. q)! Y eit iia -...with digging vast quantities of coal, leveling mountains of iron ore, and tapping subterranean lakes of...Furcron, Chief Geologist of the Department of Mines, Mining and Geology; on the State of Michigan by Robert...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken |  | | Report (volume) | | 4, 5, 8; Museum Paper, nos. 5, 6; County Report, no. 1 (Clay County). Montgomery, Ala. Alberta, Scientific...vols. 3-12. Tulsa, Okla. American Institute of Mining Engineers: Bulletin, nos. 145-156; Technical Publication...1-157; Transactions, vols. 60-76. New York. See also Mining and Metallurgy. American Journal of Science, 4th...vols. 9-17. San Francisco, Calif. California State Mining Bureau: Bulletins 79, 85-101. San Francisco, Calif...vols. 33-42. Ottawa, Ont Canadian Institute of Mining and Metallurgy: Transactions, vols. 23-30; Monthly |  | | Report (volume) | | ---------------------------------- Lynn Lake district----------------------------------------Thompson-~oak...-----Alexo Nickel mine ____________________________________ - ___ Kenora district ______ ----- _____...___ ------------------------------------U nga va district ______________________________ - _- ---------UI...Island---------------------------------Spirit Mountain, Copper River area_________________________ A...----------------------------------------Saline CountY--------------------------------------------Cal |  | | Report (volume) | | 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 |  | | Report (volume) | | Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone...Aarde farm, sec. 4, T. 26 S., R. 11 E., Greenwood County. Aaron Slatet Precambrian or Paleozoic: Central...Central Railroad, sees. 5-7, T. 11 S., R. 5 E., Pope County. Named for Abbott Station. Abbyville Gabbrol Precambrian...map. Occurs in vicinity of Abbyville, Mecklenburg County. Abercrombie Formationl Middle Cambrian: Western...Peak, on ridge south of Dry Canyon, in Gold Hill district. Aberdeen Sandstone (in PottS |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Book | | P. Blake, professor of mineralogy, geology and mining at the College of California, parent to the University...California, and published in the fourth and sixth State Mining Bureau reports. Then beginning in 1914 with a volume...the Sierra Nevada and the Klarnath Mountains provinces. These mountain regions , together with the Basin...are reported by county of occurrence. Map 1-2 shows the county boundaries and county names. When possible...'ID:[~ • ,., 1 - - EXPLANATION I KLAMATH MOUNTAINS n CASCADE RANGE - - O e -o ,-- I I ~ | | | Book (volume) | | rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning...c1ystals, many of facet-grade, found in the Wah Wah Mountains of Utah are to be mined by conventional open-pit |  | | Report (volume) | | GEOLOGY AND ORE DEPOSITS OF THE CHICHAGOF MINING DISTRICT ALASKA BY JOHN C. REED AND ROBERT R. COATS...Mines and prospects in the district^- -------------------------Chichagoff mine.-----------------------.---------------_..._--_-_____.___-_____.__.______-_________ Hirst-Chichagof mine.-_._--._------.--___-____-.-.-_-.._._ History___...Development__. ___________________________________ Mining and milling costs.--.-__-_____----__--______ ___...prospect---_----____--_----_-_-_-------------_--_117 Falcon Arm prospect- __________._____..--__-_____.-__ |  | | Report (issue) | | COPY Bedrock Geology of the Kassler Quadrangle Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 421-B Bedrock... Bedrock Geology of the Kassler Quadrangle Colorado By GLENN R. SCOTT GEOLOGY OF THE KASSLER QUA.DRANGLE...DRANGLE, JEFFERSON AND DOUGLAS COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 421-B A survey...survey of the east flank of the Colorado Front Range with emphasis on Cretaceous rocks and on structural...Cross section of Front Range showing tilting of mountain front___________________________________________ |  | | Book | | crystallographers, geologists, petrologists, geochemists, mining engineers, mineral assayers, curators, collectors...chemist and mineralogist; student of Torbern Bergman; mine owner and mineral analyst; trained J. J. Berzelius...Louis Cordier (1777-1861), French geologist and mining engineer; student of Haiiy; helped enlarge the...one-time laboratory assistant to J. J. Berzelius; a pioneer in the study of organic chemistry, he synthesized...identified as scientists, or related to mineral mining, collecting, or exploration, there are some cases |
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