Arizona republican., 1899-06-29
IN THE QUIJOTOA RANGE.
G. Frank Judson Writes About the
 Mines There.

MT G. Frank Judson of the Denver
 Mining Reporter is doing excellent
 work for his paper and . service to
 southern Arizona which should re-
 ceive substantial appreciation by the
 mining men of that rich portion of the
 territory MT. Judson writes of tha
 Quijotca range as follows:
 This week we made trip to the
 Quijotoa mining distinct, situated ID
 the Qu:jotoa range of mountains about
 eighty-fve miles west of Tucson in
 Pima county, Arizona. The old Qui-
 jotoa silver mine, which was worked
 extensively several years since, gave
 to this mining district a great silver
 producing reputation, but the decline
 in stlver rendered it improbable and
 it was closed down. Like many other silver mining districts, gold was not expected and therefore was overlooked in this immediate vicinity until a few years ago.
 Alex Mckay, the prospector who dis covered the Quijotoa silver mines, also discovered a large gold vein on the same slope Of the Quijotoa mountains and almost in line With the silver vein, separated only by a narrow spur or backbone, trending easterly and at al most right angles to the main range On this vein the Lawdham, Robin Hood and Friar claims have been To- cated- The principal development work has been done on the Lawdham. The vein was opened here at it's mar rOWest place by a shaft sixty feet in depth, which is crosscut at the bottom, a distance of sixty feet, and only one wall, the foot wall. being found prov Ing that the vein is sixty feet or more in width, and it's cropFings can be easily traced for a distance of 5000 feet. The foot wall is slate and it's hanging wall is supposed to De DOT phyry, as it is the main formation of the range. The thirty feet of the crosscut next to the foot wall dis closed only 9 very low grade ore. The thirty feet, however, next toward the hanging wall, opened a continuous body of well mineralized ore which it is claimed will average from s to S8 gold per ton, no silver or copper of any consequence being found.
 The Rotin Hood is opened by two cuts, which show the same character of vein and ore found in the Lawdham
 To the south of the Lawdham, on the Ben Hur, is found a most peculiar
 
 stands up in an abrupt bluff fully 500 feet in height. Along the face of this for a distance of 200 feet may be found veins or ore streaks varying in width from a few inches of very rich ore to eight feet of a red porphyritic quartz, carrying on an average S6 to SS Tn gold. These quartz streaks are nU- merous and extend across the top Of the bluff to the other side. distance of several hundred feet. This appears to be an extension of the Lawdham vein. It is one of those mineral won ders for which Arizona is noted, and will no doubt, when opened up make | a great mine.
 Just below the Ben Lomond claim l along the mountain side rich placer 1 gravel is found which would be very l valuable if sufficient water could be i had to work it. This gravel was de- 1 posted by the constant erod:ng of the i and mineralized with gold 1 from this great vein which has been | its gold for ages until the 1 gravel has been made rich by this met | 8liferous precipitation. Water, how | ever. is not available here for any ex- | tensive placer mining and capital will i have to be content with the mining Of | the enormous lode claims
 Another most interesting mineral | zone is found on the west side and at | the foot of the mountain. This is mainly an extensive copper deposi: | considerable gold It lies on he contact between the porphyry and | limestone formation. and while it is not yet opened except at a few points. all of the surface evidences give most satisfactory assurances that there lies ! copper deposit which. when opened ID, will stand second to none in the southern part of the territory
 The property consists of the Vel Ion, Iron Cap, Brittle Silver, Magnet. Copper Cliff, Glasgow and Triangle copper mines, and the Pill Nye and Wadsworth gold mines
 The work on the copper properties las been done prime ipally on the Vel ion claim. The iron and copper ore was quarried out and shipped to the Saginaw shelter for f1uxing. and gave 'eturns from 62 per cent to 69 per cent ron, and from per cent to 36 per ,ent copper This was taken from arge iron blowout in the porphyry Af which there are a great many shoot ng up through the porphyry and moving strong copper mineraliz8 ton These iron cappings with the copper sossan found along these ore channels give reliable evidence that large COZ 'er orc zones eEist below. The iran blows down the ore shoot with the oft carbonate of lime, which is s5 iindly 10 the formation. of large cop 'er deposits. There can be no serious question to one thoroughly acquainted With copper formations in Ar;zona. ut that Nature has done her part in copper here in mann noth deposits when the copper ores were carried up by the great eruption 0rming these mountains and mineral ones, and that it only requires the ju- icious investment of capital in de -e!cping this particular zone 10 g.va o Arizona another great copper nina.
 The Bill Nye and WadswOrth gold ems lie immediately adjoining this opper zone. The Wadsworth is pened by two tunnels about sixty feet n length each. The upper tunnel,