| | Report (volume) | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT | | | Book (edition) | production, and prices often so low as to make mining unprofitable; and the end of that period has not...to record production since 1930. Just now gold mining appears to be the only metal industry which is...—Interpretation sulpliide waters — Chloride water analyses Mine waters waters— Sulphate waters Oxidation of waters—“Carbonate...veins in basic lavas General features The Kennecott mine, Alaska— ( ’opper sulphide veins in intrusive basic...Washington — Sumatra— The — Telluride — Silvcrton Colorado— General Arizona —Gold-quartz veins rhyolite | | | Book (edition) | in connection some information as to mines and mining renovation ; industry. " The student is referred...the frost on windows, and in arborescent forms of native copper, silver, gold, etc. Fig. 11 represents,...slices will flatten out under the hammer, as in native gold, silver, copper. When thin slices may be...like pearl. stilbite, etc. When Example, talc, native magnesia, united with submetallic lustre the term...glass put over it as a loose cover. 7. Test for Native Iron. Dilute nitrate of copper deposits copper | | | Book (edition) | 52 Cali; ; ; fornia, 52 ; Wyoming, ; 53 Colorado, 53 ; of natural gas in the United States, 54...Bisbee or Warren district, 290 ; Jerome district, 292 Clifton district, 293 Globe district, 294 Appalachian...306 ; South- Zinc ores alone, ; 308; Sussex County, N.J., 308 Lead and zinc Upper Mississippi Valley...332 ; Pacific coast Creta- belt, 333; Nevada County, 334 Central belt of gold -silver ores, 335 Mercur... Silver-Lead Silver-lead ores, 364 Leadville District, Colo., 364 ; ; Aspen, Colo., Other occurrences | | | Book (edition) | anthracite region 10. Structure section in Tazewell County, east of Richlands, southwest 8. 9. 12. 13. ...coal field Shaft house and tipple, bituminous coal mine, Spring Valley, 111 Northern Interior coal field...showing distribution of different kinds of coal in Colorado Map showing distribution of different kinds of...structure of western field of Los 104 Angeles district 106 Section of Spindle Top oil field near Beaumont...Galveston, Tex 32. Hypothetical section in same district as Fig. 31 33. Map showing lines of sections in | | | Book (edition) | thi^ facts in crys- Mr is E. as to miiu'S and mining industry referred to the Text-book of Mineralogv...Localities of Minerals 883 2. Brief Notice of Foreign Mining Begions 875 IV. DETERMINATION OF MINERAI^S....lerals ^ iaUb.dtlon of if) L'he))i\r(d Proptriles of Mine nth ; (4) J lescrqjtions of Sj/6; cles j (o) JJeientiUiutloii...the frost on windows, and in arborescent forms of native copper, silver, gold, etc. Fig. 1 1 represents...slices will flatten out under the hammer, as in native gold, silver, 1. . . copper. 3. SectUe — — | | | Journal (volume) | of Alfred Brile, superintendent of the Kentucky Mining and Smelting Company, we have the following report...and the Hartsfeld Portable Smelting Furnace and Mining Co., Newport, Ky. The latter-named company will...sufficient to store $60,000,000. THE Young America quartz mine of Sierra City has become a solid dividend payer...We note in the North San Juan Times, of Nevada county, that a hydraulic gravel elevator is soon to be...well-known North Bloomfield Gravel Mining Company, at North Bloomfield, Nevada county, this State. We have interviewed | | | Journal (volume) | SATURDAY. JANUARY PubUsbers. TJie Dramlammon Mine. acquirement of several adjoining properties of...eDgraving protect the mine. panic. It have been made to spread reports of a to the mine and its man- efforts...coal famine " in California the Oregon coal-mining helping is Near regions. Marshfield heretofore...peoted change in grade of ore. di- only the Newport mine, but rector in answer to inquiries re- now they...Coos Jubilee and other rich shoots might be cut in county, in which Marsh&eld is situated, has a the eOOfoot | | | Journal (volume) | have Mining and Scientific Press. The Miners' Association of Nevada Co. At the recent Mining Convention...crops Is Illimitable^ while the area for profitable mining Is very limited the world over. This and other...this, the Government should protect and foster the mining industry. It ia and with any State organization...the mines proaperlty that would quickly place the mining coantles on their former important level in every...dams, barriers and catchment basins, hydraulic mining may be resumed the debris therefrom restrained |
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