Show mining district sonora mexico WRITTEN I 1 FOR THE MINING REVIEW BY H B E M among the mountains eastward and somewhat to the north of nacozari Naco zari sonora Al mexico exico is a small section of country widely known as the district from nacozari Naco zari the trail is miles to the mine a few miles further the bavispe river courses through the rugged hills fifty f if ty miles northward is the famous lucky tiger camp while the gold camp of el globo is well out on the way from nacozari Naco zari first of all the mine has made the district well known other producers near by have also added to the importance in of the section we may mention the antigua mine the rosales Re sales the silver tiger the san ignacio the last chance and texas while la carload Carl dad although rather distant is sometimes mentioned as being in the district the mines about the much fissured and altered core of this area are usually developed from promising but meager surface indications the mine itself had only a crevice at the surface A trench was run along the seam and deepened wherever ore are thickened the workings at a depth of sixty feet had disclosed good ore as thick as two or three inches and at feet one lense of high grade ore was eighteen inches thick and many feet across before continued low price of silver had closed the mine down about a year ago still larger and deeper ore had been discovered and parallel veins opened up in this mine the chief valuable mineral has been silver bearing grey copper ore locally known as Pet galena and pyrite also occur abundantly and carry values erite is less important though often enough seen argentite Is sometimes found well crystallized in crevices and wire silver may be found in the walls of the vein several chunks of were once found close to the regular ore the minerals of the mine are those typical of the whole district although the chief mineral of one mine is 10 01 14 1 ci general diew of the mine in 1906 photo by H B Pui sifer not necess necessarily airily that of another silver bearing galena pyrite and carrying silver copper ores both oxidized and sulphide carrying good values are rather to b be e expected in the other mines this same general region is also fa bored with gold mines we have already mentioned the lucky tiger and el globo gold mines from pinto mountain northward to the southward are many excellent gold prospects and partly developed mines the ores of the babota cachi bachi district proper may carry some gold values but I 1 believe the largest returns generally come from the silver content with a little from the lead and copper any ores from this district have to be of pretty good grade to be successfully marketed packing to railroad alone may cost from 6 to 8 a ton and then the rates ato to douglas or el paso consume a respectable portion of the total value the station on the nacozari Naco zari railroad called callad calabazas Calab azas has been becq the usual shipping point in this region mining at moderate depths and in the altered ignitus rocks is carried out under very favorable conditions the mines are dry and sufficient water for ordinary purposes can be procured from nearby streams the best labor demands about U S currency a day and is of good quality occasional hard and ribs retard mining progress but as a rule the ground breaks well and stands for a considerable period native timber is scanty but has yet sufficed whenever transportation facilities are provided or any means for concentrating or reducing are built production will be very greatly increased A small smelt ing unit has often been discussed but sufficient tonnage is hard to contract for in advance the mining interests are extremely diversified and capital outlay has been remarkably small the following table is an actual itemized account of a few days run in an ex drift along a fissure the ground was unusually soft yet didiot did not re june feet caps fuse mucking powder buckets holes hoes feet drilled feet hours sticks 6 IM 3 7 3 9 12 3 8 7 4 12 4 8 19 4 10 6 18 3 8 15 6 10 i 8 4 12 4 9 19 4 95 6 20 3 9 17 6 11 9 4 12 4 10 22 4 10 5 17 3 8 16 5 10 10 sunday 11 day shift do es not sho ot because track is b eing laid 1 1805 7 45 25 6 ia 17 12 2 6 5 4 28 2 5 4 10 3 6 14 4 65 13 4 10 1 7 10 4 95 2 5 5 4 23 2 6 V 14 0 0 5 0 18 0 0 3 9 0 7 0 3 9 15 2 6 3 4 18 2 65 3 9 3 0 17 0 0 16 6 18 0 11 0 6 16 19 f 0 0 5 0 25 0 0 cost per foot in U S currency powder caps fuse candles labor to break labor to muck and hoist one fourth of mule expense one seventh of general supervision total cost practically no blacksmithing required aired and track laid by foreman H P murray utah aa w showing Pay streak in mine photo by H B quire timbering the average cost cos t of milling ls is nearer twice this cost ak OF 41 N W SAI AK 01 I 1 y ore as hoisted in the early days of mine photo by H B |