Show Gle mine in in situated in promising section generally a speaking peaking the geological conditions of the glenallen glenellen Gle nallen m mine ine east park district are almost an exact duplicate of the underground aspects of 0 the tamed famed park utah anil and the great ontario properties A detailed 1 rehearsal ot of the geology of that vast area which la Is embraced within the limits ot of what Is today designated as east park contact would till fill a good sized book and require weeks to compile for the purpose of this article which is to give the readers ot of the western mineral survey an accurate concept of 0 the ot of this big territory it will be considered sufficient to summarize and to use reliable data from such famous geologists as john mason boutwell formerly with the U S geological survey and others equally notable before entering upon an account of the geology of the east park area and the glenellen glenallen Gle nallen mine permission is asked to digress somewhat in order to state that the glenallen glenellen Gle nallen concentrating plant described last week is now running practically on full cull time on ore being taken from the tour four main slopes of the big glencoe vein the new mill was started up friday of 0 last week and is said to be making an average of 0 better than a carload of concentrates each day the mill has not yet been speeded up to capacity which ii 14 i i around tons per day but this tonnage will be reached in the near future As every utahn knows east park mining district is situated in the wasatch mountains approximately 33 35 miles east of 0 salt lake city and about three miles from the town of park city generally speaking these mountains form a lofty rugged range from to feet high the western slope falls oft off abruptly presenting a wall like front to salt lake valley the eastern slope quite however is a marked contrast mid and gives away gradually to plateaus nd ind high lying mountain meadows A alot s high lying eastern slope is nl n mature gave vent to her most gigantic efforts to make maka and mar the contour of 0 the earth iaru in t this b asit mighty lab labor 0 r she she not 0 only n ly wrought u g wonders i in u serrated ra ted a and n d rugged ls but also created the rich mineral veins which were discovered by the early day prospector and which have given to paris district and to utah much ot of their incomparable fame as a mining camp and an ore producing state apparently the greatest geo geologic geology logi cal activity in the wasatch range ranga took place near the middle port portion foa at its junction with the east west uinta altange near this point of 0 juncture and within its area the most diverse formations are found on a prominent spur thai extends eastward from the main divided B boutwell out says ot of this formation extensive and irregular intrusion widespread extrusion through contact metamorphism persistent and le ie current faulting and have produced in a comparatively small area highly varied and complex results at the heart ol of the area in tt the focus of these contending factors have formed the most extensive and richest ore bodies in the range this area Is known as the park city district the east park district lies la ja what is termed au an formation of quartzite lime stones and quartz diorite the tha weber quartzite is a prominent geological feature of the entire park city district and Is particularly noa noi ed in the northwest section in the weber canyon where this formation is exposed it Is of characteristic dense homogeneous quartzite composition the main area of io this formation covers the park city district extending from mountain summit approximately i three miles to bald and flagstaff mountains on the east it Is practically unknown width the veins in the weber quartzite have been found arich in the basic and precious metals in the park district and being variously estimated at from to feet in depth it follows that the park district is today considered by geologists to be one ot of the deepest seated mining areas in all the world park city district as a whole is a low arch or anticline comprising all the favorable sedimentary formations this anticline Is broad and low the formations comprising its flanks dipping gently to the northwest to the east and southeast south east thu tho i western V e 8 tern limb includes the re representative pre serita of each major formation from the weber quartzite to the nugget sandstone lind forms a structural unit as a north of park city the strikes of the beds swing around to the east ea st and disappear beneath an extensive flow of andesite the beddings however have been proven to strike generally southward and to lead down the tha east cast side of the area to form the east flank of the park district in this vast eastern area are tha famed ontario daly west nall nail driver park utah and the glenellen glenallen Gle Glen nallen allea mines mine s located in what is termed a 0 Z page page levea sevea K ski H K w I 1 4 more lore about U the GIen allent t M 1 4 1 continued irom from para paza ONE remarkably regular topographic unit the Ole Cle nallen mine lies at the cen f ter of 0 this preat great mineralized section y the main tunnel portal mine sur face buildings the new concentrate tas ing still mack blk smith ith shop and assay A forming a group of modern mine structures at the upper reaches of hi glencoe canyon where the east spur pur ot of bald mountain comes hown down this central area is characterized not dot only by rocks largely of ono one formation the weber quartzite but j also by numerous igneous intrusion boutwell says the sedimentary continuity has been much affected ly by intrusion and faulting is doubtful only a few fissures were ob served either on the surface or in mines of 0 these the largest and commercially the best known is th tha 4 1 east west fissure 0 of the glencoe GI encoe glenellen glenallen GIe Gle nallen property the park utah and the ontario mines also lie in this central mineralized erali zed zone but to the north and northwest ot of the glen allen alle mine here he the he weber quartzite comes close to the tha surface out cropping in rugged and serrated peaks in many places pla ices hero here the tha formation la is of 0 unknown depth but it has bag been developed to something over 2000 feet in ill the ontario and the ore veins have been opened tor for a 3 distance of more than two miles on their strike through the daly west and the ontario the ontario is now credited with a net ore production that has paid shareholders a sum in excess of ta in dividends and most of this ore has come from the lower levels ot of the property the tamed famed park utah mine which ls is a coalition of the old mchenry ry hawkey and other properties ot of the tha last end Is also a practical demonstration of mining in this deett section on ot of the park district the park utah lias has developed its ore measure by a long tunnel which will pierce the mountain noun tain near the intersecting line with the glenallen glenellen Gle nallen on the north at a depth of SOO feet below the pre bont main workings on the glencoe vein in glenallen glenellen Gle nallen ground the glencoe workings now average from to feet ot of backs to surface and will attain a depth of upwards ot of 2000 teet feet when the present tunnel is extended under the main part of bald mountain the park utah mine to the north ot of the glenallen glenellen Gle nallen As s credited with dividends ot of and has made a most enviable record during the past period ot of silver price reduction owing to high krade grade ore being mined the glenallen glenellen Gle nallen mine is located at the head ot of glencoe canyon on the east slope of 0 bald mountain about midway in its length and near the center of 0 the largest diorite porphyry formations in the ast art park district tho the property consists of 30 claims and several fractions actions tr comprising a total of arces right in the heart of the min eral zone 1 the glenallen glenellen Gle nallen mine has been developed tor for a distance ot of 2500 teet feet in the main tunnel in a east west direction on the main ore fissure which Is known locally as the lie glencoe fissure this vein matter has an average width of from four our to eight teet feet at and above the m main ain tunnel on this maln main tunnel the ore vein has been tapped and gigantic slopes opened out at four different points of vantage number one is approximately 1400 feet in from the tunnel portal number two 1600 1500 teet feet in number three 1600 and tour four 1700 these tour four slopes are being mined on the tilling filling system as the ore fissure lies between strong diorite walls and in this manner and by shrinkage of broken down ore much ch timbering MII expense may be s saved these tour four main slopes are being worked out tan fan shape so that at a certain height they will connect at the top thus giving a perfect circulation ot of nir underground at a point 1450 in on tb tha main tunnel level cl shaft oa 00 has been sunk for a distance of f 2 feet vertically and crosscuts cross cuts run at teet feet and at 2 00 teet feet to the main glencoe ore channel the vein ein which Is around 8 to 10 feet wide tit at these depth hrc been drifted ou oil for a dl u oo 00 ie e L i both ways on the ore beai C tit iho level ind and tor for a distance dl stance of feet wes it tile the foot depth at these lonar levels the ore values have inci cuned 1 ed 30 to 40 per p cent over that in n levels above it is anticipated 4 a large larga tonnage of direct ship hlll ig ore will wil be mined on these two hovels the in the glencoe 1 ariel is of one compartment with loom tor for two cages in size A 1190 lc ago air type hoist has been install d which will ee eventually be 1 id 1 l by ele electric C trac power for the present the glenellen glenallen gle nallen mine Is confining ore extractions to the tour four main slopes on oil the glencoe its sure A fifth slope has been started and a station will be cut ap at the 2000 toot foot mart mark or about feet from the present face of the drift the ore body at this point shows full eight feet wide wida find and will have close to goo feet of 0 to surface near to the face of tile the glencoe tunnel the contact of lime and the quartzite has been cut here Is ia encountered what geologists consider one of the most perfect contacts ever cut in district or tor for that matter in any mining zone the indications are the forerunner of gigantic ore bodies ahead as the main portion ot of bald mountain is penetrated the tunnel is still going ahead along the strike of the fie main fissure vein that the glencoe fissure cuts clear through the glen allen alien property from east to west has been determined that it out for almost the entire distance of feet on oil the lu oleaty is known that it will extend to great depths is conclusive from its very nature this being true the glen clen allen should be able to mine the glencoe vein tor for a depth variously estimated at from 1500 to 2000 feet below present workings the full length of the property feet the glenallen glenellen Gle nallen has also prospected the glencoe vein in an upper adit at a point feet above the main tunnel this audit is in a total distance of feet in solid ore formation according to reliable estimate there is now exposed e x in the glen allen alien mine milli milling ng and shipping ore of 0 a value aro around und ready for or immediate fra mediate extraction it will be the policy of the management to keep ore reserves tor for ahead ot of production western mineral survey |