 | | Book (volume) | | DEPOSITS. 341 Besides the cobalt-nickel veins, the region also contains veins of carbonate spars free from...district of Schneeberg, in Saxony, a mountainous region 1,300 to 1,600 feet (400 to 500 m.) above the sea...communications by H. Trb'ger, are divided into two main groups, an older and a younger. The older veins...the pitchblende. ores extend for 850 foot cross-cut, although the vein itself had, above the level...Haileybury, in Ontario, Canada, in 1903, while a railway cutting was being excavated. 2 22. VEINS OF HYDROSILICATE |  | | Report (issue) | | Pendant: almandine garnet cabochon set in silver. Cut and set by Jim Robertson, New Liskeard, Ontario....muscovite sheet from the largest crystal he found in the main dyke, Purdy mine, 1942. Photograph by N.B. Davis...these deposits are accessible only by boat. The region north of the Ottawa River between Gatineau (Hull)...occurrences are accessible by automobile from the main highways and from secondary roads branching from...acknowledged. 1 COLLECTING ALONG THE ROUTE The main collecting route is from Ottawa to North Bay, Ontario |  | | Report (issue) | | Period of Sl'dimentation ... (2) Folding 01 the Region in PreSilurian 'l'inH' (3) S('C'ond ill'rind of...was still unknown, and consequently there was no railway connecting the \Vest Coast with the rest of the...engaged at one time in this work, yet when the railway was :J brought through, first from Strah from...south is Gap Peak. The Spur is connected with the main range by a (t) "ide Geol. Sun. Tal'. Report 6, pp...Gap Peak is about 1400 feet above sea-level. The main range is about 5 miles in length, and has a general |  | | Report (issue) | | ot thc1r couhe; deep V-sb,;ped gulches h,tVe been cut m the F.c,hrst ..... and wall can)Oll" tn the C....vert1cal walb rNng ,hee1 trom 2UU to ±110 teet has been cut Through th" can)on the engmee1:, ot the Black HJ...Burhngton Rarlroad The many hr,mcbe.., ot the railway f..y-,tem~ afford excellent ~<..,tron~ 16...gullies and sparR to maintain th~ir grade, and these railway branches and loops are now so numerou~ in the mining...artifimal ·'honeycomb" nllllerground and the clean railway cuts abo\·e, much is now exposed to the geol0gist |  | | Report (volume) | | Fremont County_____________________________ Micanite region. __________________________ Royal Gorge region...region_________________________ Texas Creek region _________________ _ _ Jefferson County_____________________________...exposed in open cut at Grady mica mine, Mesa County, Colo.; B, View northward toward open cut in pegmatite...gneiss walls; B, View southwestward over the open cut of the Granite State Mica Co.'s mine, Cheshire County...H______ _ XIV. A, View N. 15° W. across the main open cut of the Rhoda mica mine, Cheshire County, N. |  | | Journal (issue) | | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...exchange from Ehrmann included a large Japanese stibnite from the Ichinokawa mine, approximately 25 cm...worked as a government employee in the Wallonien Region, and at the Ministry of Transport in Brussels and...come in all colors of the rainbow. And they are cut and polished into astonishing jewels for rings and...information on mineral collecting leads. Though their main interests and work leaned heavily toward minerals |  | | Journal (volume) | | ........ 172,216, 335 port on Tennessee Valley Region. Aluminum, Prices of.................. 565 Accident...... 639 Alice Mine, Wash. Ader Bell Mining and Tunnel Co. Alice, Mollie & Ida G Colo...... . . . . .... Co., Colo. . . . 192 Alkair Mine, Colo.. Adit Tunnel, Wald, Co 540 Alkali Exports, Un Advance Gold M...Sargent's Pau........ 360 Alsatian Petroleum Co., Germany.... 75 American Mine, Co.o...... 73, 337 Air Compressor................. ..... 2, 3, 537 Banner District Tunnel, Colo........ . 609 Bertha B. Mine, Colo.... - |  | | Journal (volume) | | N.S. I X Grusonwerk Krupp Magdeburg-Buckau (Germany) Fried. ^^^^ — ^ J » tr^ MINING MACHINERY...Shipment. Also Locomotives, Steam Shovels, and other Railway Equipments. For prices and particulars, also our...Mineral Output of . . Alberta, Mining in Alberta Railway and Coal Co Ami, Dr. H. M., on "The possible occurrence...281 Feldspar Mining in Ontario Canada Coals and Railway Co 148 38 Forty-Third M. & M. Co Canada Consolidated...138-282 Miller, Prof. W. G., on "Eastern Ontario, a Region or Varied Mineral Industries" at the Knob Hill |  | | Journal (issue) | | 1919-1920 the Mining Bureau was organized into four main geographical divisions, with the field work delegated...Sacramento Valley and the lavas of the Lassen Peak region. The southwestern corner of the county lies in...nuts, garden products for home use, forest products cut on farms, dairy products, Value of horses, mules...been cut because of the lack of railroad transportation in the county. few semiportable mills cut lumber...(136,000 acres) and in the Middle-Eel-Yolla-Bolly region (77,086 acres). They also maintain camp-sites in |  | | Report (issue) | | Topographic maps are available for all of the Black Hills region and may be purchased from the United States Geological...Greenockite Pyrrhotite Niccolite Millerite Covellite Stibnite Bismuthinite Pyrargyrite Tetrahedrite Geocronite...in length from the wall on the north side of the tunnel entrance to the Greene pegmatite three miles east-northeast...the most abundant amphibole of the Black Hills region. It is an especially important constituent of the...brownish red when viewed from the ends, have been cut from transparent andalusite found onefourth mile |  | | Journal (volume) | | Goldfields of New Zealand Report Consolidated Main Reef Consolidated Main Reef Developments (m.d.) Copper .\ssay...Zinc-Lead-Silver Patent 379 (m.d.) 384 El Oro Mining and Railway Eloy Hammer-Drill 187 (m.d.) English Oilfields... 384 383 *213 Verch Issetsk Copper Mines Main Reef Main Reef Closed Waddington Old Hall Waihi Grand...complexities of the question, but rather to state the main principle, leaving such readers as are interested...City Deep Consolidated Langlaagte Consolidated Main Reef Crown Mines Ferreira Deep (10s.) Geduld |  | | Report (Issue volume) | | good places to search for minerals, also road and railway cuts; rock exposures along cliffs and along the...Pacific railway and can be reached by way of the lake, or by a disused road leading from the railway tracks...iron formations which occur extensively in this region. Red jasper as thin layers with a hematite-magnetite...formation which is exposed along the west shore of the main peninsula projecting into the northern part of Perch...more or less parallel to the Canadian National railway. Notable occurrences are in the vicinity of Shabaqua |  | | Journal (issue) | | and blood ver sion of the familiar little photo cut on the editorial page of the magazine. Small of stature...of g o l d peci mens and a wonderful Ja pan ese stibnite from the Ha rvard U n i versity co llect ion for... N .Y 1 0 0 "3 <., 1 0: �o - 4- : 1 0 JEWEL TUNNEL IMPORTS fine s pecimens for cabinets of distinction...irony doesn't end there. With my decision to re main w i t h the m u se um I recogn ized t h a t I...l e A. R ichards The Northern A rkansas mining region consisted of over 250 zinc and lead m i nes spread |  | | Journal (volume) | | American battery industry may be divided into three main groups : 1) the assemblers of batteries, 2) the...Belgium (1946-1947) France (1938-1939, 1946-1947). Germany (1938-1944) Great Britain (1943-1947) Rumania..."talc" used in the battery industry consists in the main of two general types: 1) steatite £E 2 Mg 3 (Si03)4)...of Inyo County. Some of the silver mined in this region finds its way directly into the lead antimony grids...formation, and is an excellent marker bed through the region. The Tehama formation attains a thickness of approximately |  | | Report (issue) | | -__-_____-____-_______-_-_____________.____ Buenavista region (4)______________________________________ 251...amounts in 13 other States. The deposits are of four main types: (1) fissure deposits, which consist of manganese...INFLUENCING PRODUCTION OF MANGANESE ORE IN MEXICO The main economic factors influencing the production of manganese...high-silica ore with low-silica ore from the Dinamita region (Durango 2), with the result that the ore from...tunnelling at right angles to a fissure in order to cut the ore at depth is unwise, unless a shaft has first |  | | Book | | Contents Therapeutic Uses Beryl, of Emerald and Germany, Eyes, 76 77 Spain, Childbirth, and Fertil78...Inspecting Algeria, 328 Rough, Inclusions in Cut Gems, Chatoyant Beryls, Angola, 361 329 Antarctica...West Africa 445 Ghana, Inner Somali 443 Germany, Terms, 616 491 General 500 and Locality Index...those years by Dr. a of persons and San by the main Diego library. The in many the text and illustrations...Additionally, contributed F. to the I wish Germany; WI; Allen British following who in large work: |  | | Journal (volume) | | and in the northern part of the state a large tunnel kiln was placed "on stream" for the production...chemical plant. Prepared a report on geology of Poe Tunnel for Department of Water Resources. Suggested areas...mining claims. Correlated geology of Poe Tunnel with tunnel-driving rates. Advised gold miner on sampling...Shoshone-Tecopa quadrangles, in the southern Death Valley region, have deposits of lead, zinc, silver, gold, talc...unmapped areas of the Klamath Mountains. This is a region of rich mineral potential, about which there is |  | | Report (issue) | | southeastern United States, showing the location of the main pegmatite districts___________ 2. Contorted sills..._ _ _ _ _ 9. Same granite sill shown in figure 8 cut by mica-bearing pegmatite _______________________________..._______ _______ ___ ________________ _____ 46. Open-cut work in decomposed pegmatite, White Peak No.1 mine...mine________ _______________ ___ 48. Irregular open-cut with waste-choked floor, Liberty mine, Randolph County...Ala___ __ ___ ___________________ 49. Abandoned open-cut in hard, unweathered rock, Mitchell Creek mine, Upson |  | | Report (issue) | | 12E 09 32-18-234 111-07-1bw P8 CUV MU AGV OMEGA TUNNEL PdV PImA ZN AUV 185 15E 24 31-51-224 11U-4b-lOw...CU MAIN COMMOD A AU OCCURRENCES) OR POTENTIAL PRODUCTISI: Nt AG PAGE 0002 POTENTIAL A MO MAIN ORE...SCHALLER, W.T., 1936, MINERAL RESOURCES OF THE REGION AROUND BOULDER DAM: U.S. GEOL. SURVEY BULL. B71...OF K-A AGES OF TERTIARY ROCKS FROM THE LAKE MEAD REGION, NEVADA-ARIZONA: GEOL. SOC. AMERICA BULL., V. 83...PRODUCER(PAST OR PRESENT): MAJOR PRODUCTS.. WA AU AG CU PB MAIN COMMOD A MINOR COMmOD A MO BI OCCURRENCE(S) OR POTENTIAL |  | | Book | | Introduction 20 Giant uncut crystals 20 Large and important cut stones 22 Large pink and red topaz 26 Large imperial...Czechoslovakia 173 East Africa 174 Federal Republic of Germany (including the former German Democratic Republic)...not diagnostic, and are generally lacking in most cut stones. Inclusions are of most interest for implications...Preto, Kamenka river, Schneckenstein, Saxony, Germany. xiv Profile Colourless/blue - Minas Gerais...Numerous bronze drums are found throughout the region from Vietnam through Malaya, Sumatra and Java, |  | | Book (volume) | | and discusses those species which are primarily cut as gemological curiosities with little or no regular...Alaska, provided data on gemstones found in that region; the Southern Onyx and Marble Company of San Diego...well-known Texas agate localities of the Alpine Region were described in detail by J. Frank Woodward...photographs illustrating scenes and gemstones of this region were generously provided by George Ashley and Roy...Gulch Mine . Rock Creek, Montana, sapphire mine . Cut and rough aquamarines . Drawing of beryl crystal |  | | Report (volume) | | bibliography. Headings. The headings comprise the main subdivisions of the index and are recognized by...Mineralogic, and Petrographic. Entries.-. Entries form the main subdivisions of headings and are indented four spaces...under any of the subheadings used, they follow the main heading directly. Under both the geographic and...Series Gebgraphica et Ethnographica. Wiesbaden, Germany. Actualit^s Sci. et Indus. Actualit£s Scientifiques...Mathematisch-Physikalische Klasse. Gottingen, Germany. Ala. Acad. Sci. Jour. Alabama Academy of Science |
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