Bisbee daily review., 1904-02-21
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tSouttuucJ rfOu rage ANoJ
 strata were first described by Dumble and by him called the ''Bisbee beds.
 Post -Cretaceous Deformaticn and Intrnsions.-The beds of the Bisbee gronp have been deformed by foleine and faulting and are cut by few small dikes of riorite-porphyry. exem rlified by the sike at the Glance mine The folds are generally open, dips Of more than twenty degrees being rather exceptional The general strike IS rorthwest-southeast. and the prevail iag dip northeast About seven miles southeast of Bisbee. however, where Faleozoic beds have been thrust by fa1lting over the cretaceous, the lat Ger have been turned up steeply. and arc in places nearly vertical. East ef Bisbee the faults are normal. but southeast of Mule Pass gulch faults or the reversed or oyerthrust type pre- dominate The most striking of these latter faults is that exposed at Gold Eill, five miles southeast of Bisbee. The summit of this hill is composed of paleozoic limestones which have been thrust from the southwest over the beds of the cretaceous Bisbee group for a distance of at least two miles.
 As tertiary sediments are absent in tse Bisbee region, this period was probably marked by the deformation rS the cretaceous and ol6er rocks and by erosion. TT 7F~ ~'
 The Quaternary Valley Deposits The quaternaYy is represented by un- consolidated gravelly deposits flooring the broad valleys that surround the Mule mountains on the west, south and east. These are in the main flu 0iatile wash. with possibly some finer sacrustrine beds at distance from the mountains
 Economic Geology g-P-ior to the year 1880 Bistee was an unimportant lead camp, single furnace being tAen in operation upon cerussite mined from the Hendricks claim, close 10 the town. The copper ore of the Copper Queen mine was discovered early in this year and was proftably exploited until 1884. This ore was free from sulphur and had an average tenor of 1S per cent of copper. It was treated in two 36-inch furnaces, which. in spite of their small size. were able with wood as a fuel to turn out about 300 900 pounds a month. In 1882 the men composing the present Copper Queen Consolidated Mining company Bought the Atlanta claim. near the orieinal discovery, and began pres pecting
 In 1884 the Copper Queen ere body, which had been worked for 300 feet down an incline. was exhausted. The cutlook was gloomy, and work was al most abandoned, when a second ere body was simultaneously discovered from the original Copper Queen in cline and from the Atlanta workings Tn o-der to avoid legal complications, eAe two companies combined as the Conner Queen Consolidated Mining oomranv. which gradually absorbed soe neishboring Droperties by pur' chase. In 1886 the old smeling plant isecarre ipadeouate and was rebuilt Greeter economy was necessary. as 4he average tenor of the ore in conDel tea sa,leu 10 about s per cent and the price of copper had also notably oe ciired.
 Shortly after 1890 the completel! -,x,d;zed ores showed. signs of failing But in 1893 the works were remoaeiet oy the introduction of converters, ane sn,phide and oxide ores have since ehat time been successfully worked together by the matte process. Tn' introduction of these converters wa due to James Douglas, and marked th' heoi-n'np of new enoch in the smei' ing of copper ores in Arizona.
 Tn to the end of 1902 practically al of the copper from Bisbee was tn uorod,1ct of the connected group O mines owned by the Copper Quee Consoli6 ated Mining company Re cently. however, extensive ore bodie have been opened up in the Caiume & Arizona mine. and in the latter par of December. 1902, this company va turning out from thirty to forty ton of corner ner day from it's new smell CT at Douglas.
 Tho tcwn Of Douglas. situated In th middle of SuiShur Springs valley. O the international boundary. has sprun up with remarkable rapidity durin the nast year. Its growth is due the erection here Of the new smeitei fo- the Conner Queen and Calumet Arizona companies, and to the 1a' that ft is the junction noint Of tr newly cornpieted Fl Paso & Scut western railroad with the Naeosa raiI-na1 into Mevico It will u douhtedlv become an important snel irIr roint. not oniv for the Bisb< ores hut for those from Mexico.
 pro-irction From August. 1880. tho e-d of 1o09, the total output or q Con-er Queen Consolidated NiniT con,rany was 27s oA7 210 pounds { co-no-. The product of the recent onened Calumet & Arizona mine wit
 nee