Show conditions at lunin luning BY JAMRS JAMES F OBRN OBRIEN that the theory of charles kirchen and other mining engineers regarding the ore deposition on the st patrick mino mine at luning nevada of the kirchen mines corporation is correct is proved by recent developments in the main working tunnel of that property the main st patrick vein is capped by a copper bearing iron gossan this gossan in its primary state consisted of sulphides sulp hides of copper and iron the action of air and surface waters on this sulphide ore produced an acid which dissolved nearly all the copper leaving behind the iron in the form of an oxide or as it is termed by mining engineers iron gossan the theory was that the copper would be at depth and as before stated this has now been proved shipping ore in tunnel in the main working tunnel which has been advanced a distance of feet from the portal high grade shipping ore has been encountered which carries copper values far in excess of the ore disclosed in the upper workings this is even more encouraging from the fact that according to surveys of the ore shoots in the upper workings it was not expected to reach this ore for another twenty five feet near the face of the tunnel a raise has been put through and connection made with the upper workings this will very materially facilitate the economical handling of the shipping ore and does away with hoisting to the surface from the upper levels the first ore encountered in the tunnel was at a point feet from the portal here a large body of leached beached iron gossan was found which showed stringers and bunches of high grade ore in the denser portions where the copper values had not been so fully le ached development was started on one of these stringers which was but six inches inches wide where cut in the tunnel and in going ten feet it widened to three feet carrying from 10 to 20 per cent copper the mine is in excellent condition and steady shipments are going to the smelter calavaza Ca lavada copper good reports also come from the cal avada copper company whose property is on the same lime contact as the st patrick about a mile further up the mountain A was sunk twenty feet on the recently struck on the 1 foot level and the ore has maintained the same high grade character A crosscut is now being run from the 1100 foot level to get under this and a connection will be made with the by means of a raise from the crosscut that being the most economical way of working daily shipments shipment s are going out from the mine the wall street the wall street copper company owned by A H howe and charles evans of goldfield has seventy five men employed and is conducting an active campaign of development and at the same time extracting a large tonnage of very high grade shipping ore A recent discovery was made on the bottom level by means of a short crosscut into the where a four foot body of excellent ore was opened up which averages 30 per cent copper the finding of this rich ore in the deepest workings of the wall street is additional proof that the ore bodies of the luning district get richer as depth is attained work is being prosecuted vigorously on the other levels and the management is highly satisfied with the showings |