 | | 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 -...n fault ----- - ---------------------FauUs of Dolores Mountain and vicinity --Faults of Deadwood Gulch |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |  | | Book (edition) | | Corporate Drive, Suite 400, Burlington MA 01803, USA First published 1962 Second edition 1970 Third edition...Diamond II Ruby and Sapphire Beryl Chrysoberyl Spinel Topaz Tourmaline The Garnets Feldspar Group Zircon Peridot...Canada, Germany, Thailand, Vietnam, the UK and the USA, making this a truly international collaboration...extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...Ltd, for the information on the Botswana diamond mining; Messrs Eickhorst & Co of Hamburg for the illustrations |  | | Journal (issue) | | Date Festival to be February 14-23 The Riverside County Fair and National Date Festival takes place February...skiing to desert mountain hiking offered in the county. The show will include trailer, boating and conservation...Days, Wickenburg, Arizona. Feb. 14-23 — Riverside County Fair and National Date Festival, Indio, California...your desert knowledge 12 By RANDALL HENDERSON MINING HISTORY DEVELOPMENT FICTION FIELD TRIP CONTEST...28 NEWS About those who write for Desert 28 MINING From here a n d there on the desert 29 LAPIDARY |  | | Book (volume) | | and Other Beryls 5 Chrysoberyl and Spinel 6 Topaz and Tourmaline 7 Zircon, Peridot and Spodumene...Chrysoberyls ; . Spinel: Crystals in Rock and Cut Stones. Topaz: Crystal and Cut Stones : Tourmaline: Crystal...2 PREFACE For two decades, an earlier work of mine—Practical Gemmology—has proved a useful elementary...the Cultured Pearl Company, and those of diamond mining by the Anglo-American Corporation. ROBERT WEBSTER...Semi-precious stones are the peridot, aquamarine, topaz, tourmaline, zircon and amethyst in company with |  | | Journal (issue) | | (Nilgala-Buttala ridge) to the west and the Karthalhina mountains to the north-east. The tributaries of Kumbukan...located on the gentle Figure 4: Complicated gem mining in a karstic channel in marble. J. Gemm., 2000...of the tourmaline. In addition to Figure 6: Gem mining activities in a shallow gem pit. Occurrences of...sediments and their abundance as a guide to identify mining sites. Figure 7: Gem-bearing sediments being sieved...sediments have been washed away. Gem mining and exploration The gem mining methods practised in the Okkampitiya |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Michigan Correspondents Dudley Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Joe Polityka Staten...collection, has sold its entire mineral collection to Colorado mineral dealer Bryan Lees, California dealer Wayne...Bryan Lees’ Collector’s Edge Minerals in Golden, Colorado. Tom, who served as a Mineralogical Record Auction...basic igneous intrusive rocks in the Wichita Mountains of Oklahoma. He completed his doctoral dissertation |  | | Journal (issue) | | By Edward Cahen NOTES ON THE BuTTE, MONTANA, DISTRICT. By R. F. H. Harter STARK'S KNoB. By C. A. Hartnagel...Northern Nigeria, West Africa: By Aubrey E. H orn, Mining Engineer. This is a most in teresting and instructive...prospecting and mining the ore, etc., and will be much appreciated by those of our readers who are mining engineers...engineers, mine offi• cials, prospectors, or those otherwise interested in mining. Where and How to Find :Minerals:..................................... The Story of Iron................................................ |  | | Journal (volume) | | Bingham, Utah, Mining Black Sand Page. Abbott, James W A Visit to Ely, Nevada Mining at Bingham, Utah...Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The Requirements of Modern Mining 70S 52...Charles [64 James W. 82 431 114 Nelll 815 District, British W Columbia, The 783 431 795 736 241...Tube-Mill Lining Forbes Rlckard 511 17 The Boundary District The Mineral Output of. In 1906 Broken Hill, Acid...Proprietary Mine, He Treatment at G. D. Del prat Brown, Walter 8 A Filing System for Mining Engineers llucke |  | | Report (issue) | | 8494 LjJ I en S5 ^s CALIFORNIA STATE MINING BUREAU. Henry G. Hanks, State Mineralogist. ...provide for the establishment and maintenance of a Mining Bureau," approved April 16, 1880. to : I have...For the past year, satisfactory progress The Mining Bureau Museum floor. and thoroughly still ...abroad which cannol be The publications of the Mining Bureau should be sold supplied. at actual cost—...there are a large number of pamphlets, circulars, mining companies' reports, proceedings of societies, etc |  | | Book (edition) | | market. d ay the Jagersfontein A t the present Mine, in South Africa, produces Diamonds of pure water...the Jacinth, the Oriental Onyx, the Peridot, the Topaz, and the Zircon. Some of these, especially the...experienced mineralogist to say at once from what district a given mineral has been obtained. But these...those found in the Ural mountains, or in Brazil, or at the Jagersfontein Mine in South Africa. The Emerald...mentioned by Job, with the Coral, Pearls, Rubles, and Topaz o f Ethiopia ; and the place in which some were |  | | Book | | COMPANY CHICAGO CONTENTS GEMS OCCURRENCE OF GEMS MINING OF GEMS COLOR OF GEMS NATURE OF 1 - 4 8 13...CHRYSOLITE EPIDOTE - - VESUVIANITE EUTILE 111 - TOPAZ IOLITE 104 105 106 109 - - - .... - 127 ...CONCENTRATION OF GEM MINERALS UPON A BEACH CORUNDUM MINE, NORTH CAROLINA CRYSTAL AXES CUBE, OCTAHEDRON, DODECAHEDRON... - - 163 183 - 151 - - - - 127 89 - MINING OPAL, NEW SOUTH WALES MOLDAVITE PEBBLES 126 186...NEAR DIAMANTINA, BRAZIL MINES OF KIMBERLY, 1872 MINING, Rio JEQUETINHONHA, BRAZIL DISTORTION OF CUBICAL |  | | Book (edition) | | II. SAITHIKIC 12. YELLOW SAPPHIRE (Oriental Topaz) 15. I.). SAI (( I'll I II- rystal) GEM-STONES...184 PART II— SECTION B SEMI-PRECIOUS STONES XXI. Topaz . . XXIII. Garnet {a) Rubicelle) . . Hessonite... Kimberley Mine, 1871. .141 Mine, 1872. Kimberley XVI. . . . . . XVII. Kimberley Mine, 1874. XVIII...XVIII. Kimberley Mine, 1881 XIX. Kimberley Mine at the Present Day . . . .142 .143 . 144 .145 XX. Wesselton...Wesselton (open) Mine XXI. Loading the Blue Ground on the 146 Floors, and Ploughing it over XXII. Washing | | | Book (edition) | | 184 . SECTION B II SEMI-PRECIOUS STONES XXI. TOPAZ 197 . . XXII. SPINEL (Balas-Ruby, Rubicelle) XXIII... KlMBERLEY MlNE, 1 87 1 . . .140 XVI. KlMBERLEY MINE, 1872. . . .141 XVII. KlMBERLEY MlNE, 1874. . ....THE PRESENT DAY .143 . 144 XX. WESSELTON (open) MINE .145 XXI. LOADING THE BLUE GROUND ON THE FLOORS...as ' ' zircon, white sapphire, white fired topaz, and rock-crystal, may dazzle with brilliancy of...verdant green of emerald, and the golden yellow of topaz are pure tints, and the absorption spectra corresponding |  | | Journal (volume) | | By Eichard E. Chism, By George Frederick Kxjnz Mining Laws of Mexico. Precious Stones of Mexico. sion...By Edwin Ludlow, The Iron Mountain, and the Plant of the Mexican National Iron and Steel Company, Durango...By William P. . Blake, The Mining 94 100 140 156 163 179 216 District of Pachuca, Mexico. By Ezequiel...Ezequiel Ordon’EZ, Statistics of the Mining and Metallurgical Industry of the State of Nuevo Leon, Mexico...Mexico. By Edward Halse, Mexican Railroads and the Mining Industry. By Luis Salazar, Notes on the Potable |  | | Journal (issue) | | perfection ruby, and the oxides of titanium and iron give to corundum the rich blue which alone can be...determines the depth of colour, but the presence of iron in the ferric state also modifies the tint, giving...e r e seems little doubt that titanium oxide and iron oxide are the cause of the blue colour in sapphire...obtained by the use of the oxides of chromium a n d iron. T h e r e is some reason for assuming that two...on heating and some do not. T i t a n i u m and iron are known to be present in sapphire in the form |  | | Book (edition) | | AQUAMARIN] TOPAZ 7. (Crystal in matrix) II. 10. SAPPHIRE 12. YELLOW SAPPHIRE (Oriental Topaz) RUBY... 184 SECTION B II SEMI-PRECIOUS STONES XXI. TOPAZ . . Rubicelle) . (a) HESSONITE . . XXII...DAY .141 .142 -143 . 144 XX. WESSELTON (open) MINE 145 XXI. LOADING THE BLUE GROUND ON THE 146 FLOORS...interior, but none of them, like diamond, glow topaz, No hint of colour, save with mysterious gleams...green are of emerald, and the golden yellow of topaz pure to tints, them restricted. and the absorption |  | | Journal (issue) | | mussels in New Jersey to the gem mines of San Diego county, California. Here is a book to hand your house...Death Valley CRAFTS By OWEN THAMER PUZZLE NEWS MINING HOBBY CRAFTS COMMENT 18 28 True or False, a...about this as I had been probably came in with Colorado river about the first boat. In fact she didn't...with very little enthusiasm or belief. When A few Colorado river salmon and carp are she mentioned them to...creek in the arid northeastern sector of San Diego county, California. That was 98 years ago. The tattered |  | | Book (edition) | | 184 PART II-SECTION B SEMI-PRECIOUS STONES XXI. TOPAZ 197 XXII. SPINEL (Balas-Ruby, Rubicdle) 203 ...XV. KII\IBERLEY MINE, 1871. 140 XVI. KIMBERLEY MINE, 1872. 141 XVI I. KIMBERLEY MINE, 1874. 142 143...Kll\lBERLEY MINE, 1881 XIX. KIMBERLEY MINE AT THE PRESENT DAY XX. WESSELTON XXI. LOADING (open) MINE THE ... such as 'fired' zircon, white sapphire, white topaz, and rock-crystal, may dazzle with brilliancy of...verdant green of emerald, and the golden yellow of topaz-are pure tints, and the absorption spectra corresponding |  | | Journal (issue) | | EYLES 'JfzE, &cfuuu:d fPuClo n • a ........ COLORADO •) ROCKS and MINERALS PUBLISHED MONTHLY Edited...... GEOLOGY OF THE BEDFORD, N . Y., PEGMATITE DISTRICT. By Tho1nas W. Fl11h,- .........................exhibitors at the Hobby Show at the 95th Logan County Fair, held recently in her city, won first prize...ENGLAND The old graphite (termed locally as lead) mine at Ta:ntiusques, Conn ., was first exploited by...hunting, as nothing is likely to be found without mining operations. The interest is mainly historical as |  | | Journal (article/letter/editorial) | | surroundings. According to early settlers in this district, the hated gopher and the lowly badger WE'rE'...a company for the purpose of r-arrving on gold mining in this gulch. The~' spent some $40,000 to hring...absolute loss into a very profitable industry. This mine has already produced over $3,000,000 in sapphires...satisfactory than this weathering method. While mining is a year around occupation, the ore piles are...effective by artificial light.' The stones from the mine match easily and hence are commercially economical |  | | Journal (volume) | | 1897. Mining Legislation. 'City. \\\'-- Bloffle Copies. Tea Cents. less the mountains are deserted...for keeping the streams dredged. The Champion Mining Company's properties near The Committee on Legislation...The reopening of the old G win mine in Calaveras proposed by the Mining and Scientii-io Pkess and A 10-stamp...Spanish mine is also included putilisiied in the issues of October 31st and November county is an event... shaft, and putting ing properties in Nevada county. There was, when they took charge, up a 40-stamp |  | | Journal (article/letter/editorial) | | Jtitutifir �tunirau. ------� HYDRAULIC MINING. mens electric pyrometer, changes of resistance amounting...works of the Spring Valley Mining and Canal Company, at Cherokee Flat, Butte county, California. to The...on the line of their ditch about four miles of iron pipe, 30 A GREAT inches in diameter. SIPHON_...for the year cost $13,309. For iron pipe they paid Qut The Mining umd tJeiemijic go down almost as...Crsek, and from GREAT SIPHON OF THE SPRING VALLEY MINING COMPANY. the head waters of the west branch of |  | | Journal (article/letter/editorial) | | Jtitutifir �tunirau. ------� HYDRAULIC MINING. mens electric pyrometer, changes of resistance amounting...works of the Spring Valley Mining and Canal Company, at Cherokee Flat, Butte county, California. to The...on the line of their ditch about four miles of iron pipe, 30 A GREAT inches in diameter. SIPHON_...for the year cost $13,309. For iron pipe they paid Qut The Mining umd tJeiemijic go down almost as...Crsek, and from GREAT SIPHON OF THE SPRING VALLEY MINING COMPANY. the head waters of the west branch of |
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