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Show 'J. THE CITIZEN ATOd IHHUUIUIIIHIIUIUIIUIUIIIIIilllUIIIIIIIIIIIUIIIIIIlUIIIIIIIIIIIIUIIUUIIIUIIIIIUIIIMMIIUIIIIIIIIIIIIlUimilllllllU!: ,P,,ii.......iiimwiii1111111" i Weekly H- Mine and Oil Review !NGHAM is cut by the Silver Shield fissure, in NEW my opinion. ORE BODY DISCOVERY. By i;..r the last few months has been made in Silver Shield section of the days in the Galena Minproperty of the Bingham company. The Bingham Galena ing mine adjoins and sidelines for more than a mile the famous $100,000,000 mine of the United States Smelting, Refining & Mining company. The discovery is nothing less than of the exposure of a body of two feet . felt! in what is known as otti-e- r the Highland lime bed which, like blanket deposita of ore bearing limestone, traverses the property in an easterly and westerly course and dips from south to north at angles averag-usosolid galena ore c' about 30 degrees. These lime beds partly overlap each .if other between quartzite, and are cut which by north and south fissures, of the Silver Shield is one. It was this jjj lng te! tiol 5 i s sl gjr Assuring that permitted distribution of values in solution through the bedded deposits of lime from which the great have been and contributed approximately of the production to date of the Bingham district, estimated at around $500,000,000. It has been from these bedded deposits of lime that the United SEtates Smelting & Refining company has been able to make the. $100,000,000 product referred to. These beds of lime in the property compris-pn- : ing the holdings of the United States silver-lea- . I h(H n&l m- :er' j ini u iree i net- t tfc' I one-fourt- orebodies d ex-tract- ed y Smelting, Refining & Mining company have yielded ore for about forty-fiv- e years, and give every indication of being productive for many years more. ss is Mine Manager Eugene Grutts complete report on the recent 1 strike: j Salt Lake City, Utah, July 3, 1921. jMr. R. E. Miller, Pres, and Board of Directors of the Bingham Galena Mining Company, Salt Lake City, Here er; f i The new orebody lies between a quartzite footwall and a limestone hanging wall, which is the formation of the district. It is my intention to continue the present raise to a point about fifty feet above the tunnel level and extend drifts east and west to further explore the orebody. At a point about 80 feet westerly from the new raise what is without question the western extension of the orebody is exposed in a raise put up about fifteen feet by a previous management. Conditions prevailing in this second or old raise justify additional development work at that point, and as soon as possible I will do some exploratory work in this working. The appearance of the orebody in the two raises leads me to believe that the work accomplished since your company recently took over the property has revealed the edge of a rich orebody that, judging from results obtained in neighboring mines, should prove of large proportions under proper development. . of the most important 6:i discoveriesonein the Bingham district in ore-bearin- g In the same east drift on the or Niagara tunnel, level of the Silver Shield shaft, at a point 125 feet east of the raise in which new find of ore has been made, I have definitely located what is known on the surface as the Irish American fissures. The' fissure shows three inches of galena ore. At an early date I will extend a drift on this fissure. It looks very promising. level of the Silver On the Shield shaft the south drift on the Sure Fop fissure has been advanced 25 feet. In this distance the galena ore of the fissure has widened within a few days from a mere seam to five 538-foo- inches. Respectfully submitted, EUGENE GRUTT, Mine Manager. -- j the following report: William T. MacDonald, the noted mining engineer, now in the employ of Phelps, Dodge & Co., and formerly employed by the Utah Copper Company, Chino Copper Co., and Ray Consolidate ed Copper Co., made the following ex- Several days ago I discontinued .(work in the face of the east drift on cellent report: Salt Lake City, Utah, July Utah. As mine manager for c j.1 ; Gentlemen: iyour Company at its property at Up- Jper Bingham, Utah, I beg to submit j Jtlui Niagara tunnel, or r t, 250-fo- ot (Signed) 538-foo- t, level iof the Silver Shield shaft, and started i ,a raise at a point about 350 feet east of that shaft in the same drift. After I three shifts of work had been performed, there was exposed a two-fogalena ore across '.j the entire width of the raise. Prom the surface of the hill lying east-othe Silver Shield shaft .jt jjtht- new find has a vertical depth of ,80 foet. Its depth on the dip of the limestone bed is about. 1,500 jfe?!. This lime bed dips from south jjto uorth on an angle of about 35 and, at the point of the new find, ot high-grad- e f - ni'.-hlan- d de--Rro- 4 es 3, 1921. Mr. R. E. Miller, Pres., and Board of Directors of the Bingham Galena Mining Company, Salt Lake City, Utah. Gentlemen In accordance with the commission recently given me, I beg to submit the following report, covering my visit of inspection to your property in Bingham Canyon. This visit was made during the afternoon ' of July 2, 1921. As per your request, I devoted most of my time to an examination of your very' recent mine development work. Particular attention was given to the new ore body strike of a so-calle- dd made some three or four days ago at a place in the East Drift, perhaps 250 feet in an easterly direction from the Niagara Tunnel. I say new ore body because it would seem so-call- ed ,IIHIIIIIHIIIIII I.IUHII on expert report GALENA ay,r I 13 evident that the presence of this ore must have been partially exposed along the back of this East Drift at the time this drift was originally run. Its probable value, however, did not seem to be realized at that time, probably for at least two reasons: First, the ore as then exposed in the back of the drift was not cut sufficiently to indicate its true thickness and further, more, where originally cut, it probably contained more zinc than where now exposed by the development work of the past few days. Second, I was informed that this East Drift was at that time being pushed as rapidly as feasible for the purpose of cutting the Silver Shield and the Irish American fissures should they persist to that depth. This drift was continued some distance beyond the point of this present ore development and duly cut what I was informed is the Irish American fissure. It is true that the Silver Shield fissure, if persistent to that depth, should have been cut before coming to the Irish American fissure, but it is characteristic of practically all of the fissures of this district that however persistent, they vary greatly in width, from only a knife edge crack to as much as two or three feet, and it is therefore not surprising that a fissure could be crosscut at one of its very narrow places without discovery. This East Drift, for some distance, follows quite closely the contact between the Bingham quartzite and an overlying limestone. I was unable to definitely correlate this limestone with the well known limestones of the Bingham district, but the local miners have for a long time designated it as the Highland limestone (not the Highland Boy limestone which lies conThis siderably higher). Highland limestone may be a limestone lentil lying between the upper Jordan and the lower Lenox limestones. At this place the contact between the limestone and the underlying Bingham quartzite appears to be dipping about 35 degrees in a northso-call- ed erly direction. Your present manager, Mr. Grutt, iri attempting to locate where the Silver Shield fissure if continuing to the necessary depth should cross the East Drift, after proper engineering work, decided that it should cros3 it close to where the mentioned showing From information of ore occurred. furnished me, and an inspection both on the surface and underground, I am inclined to agree with Mr. Grutt although we were unable to definitely locate the crossing of the Silver Shield fissure in the East Drift. As a result of his deductions, Mr. Grutt several days ago decided to prospect the lime quartzite contact upward to the south at this place, and within a few feet he broke into the excellent ore body now exposed. At the time of my visit some eight or ten tons of good galena lead and silver ore had already been broken, and my measurements showed the ore as exposed to vary from about eighteen inches to twenty-fou- r inches in thickness. The first of this recently broken ore, coming from the lower side of the deposit, showed a certain amount of zinc blend as also some iron. Ore which I broke from the upper part of these late workings, however, showed but little zinc, and was a very clean lead ore. Thus far no assays have been made on this new ore, to the best of my knowledge, but both gold and silver are practically certain to be associated with the lead. It is, of course, too early as yet to intelligently forecast the value of this recent strike further development work alone will .permit of that but there can be no question as to its extremely favorable character, and it is highly probable that continued work will result in the development of a valuable ore body. It is significant also that the ore now being developed is in a practically virgin portion of your ground, although approximately 300 feet to the west and at only a slightly higher level, in what is probably the same limestone lentil, the well known Miracle stope was found a few years ago, and according to information furnished me it produced about $40,000 within a few weeks. There is also a spot about 60 feet to the west of this new ore find, along the East Drift, where some good looking galena ore has been broken high-grad- e silver-bearin- g into that may, upon additional work, prove to connect with the ore body now WE SPECIALIZE IN Bingham Galena We look for a steady rise to very much higher levels. We solicit your inquiries and orders. t?0 Plorris-Whitne- y Co. Established 1896 Members Salt Lake Stock Exchange, Stock Exchange Bldg., Salt Lake City, Utah |