Show albitre Alb lii itri ural I 1 I 1 pi itt ahat if faia iff any at out cries and rentice iron then ev tany dd of y W their pr arecia and 10 lier at ca alt all who A are any M 11 informs ftfe ta five alt to w a calf call r r I 1 A GLANCE AT THE GEOLOGY AND MINERALS OF THE GREAT UTAH BASIN ny BY mi fla 0 11 I 1 arom rom the alie landmarks everywhere visible it 18 is evident that the tha great plateau lying between alaa rocky mounta Us on the ert east and od the sierra nevada tho the west Olle attending 1101 delb till to about th the I 1 and mouth to 0 o bout about parallel or the an black canyon of the iho colorado was at one time tho the floor of an all inland sea 13 t n ow this cicat great tru area is ii a cut ut up 11 p by yar parallel I 1 let ranks ranges of mountains in in a ery ir and on south mouth easterly course theris LUI being alt distich lines of op a p L corl ling these irith fertile val leyer between most of 0 teem ahti great ath valley however be irever d joes liot t r ISO but t a small portion of in Alti tado i il L fit alto also less thin than any othea af this great th toe elevation gradually either cither way flung tho the level of tile ret rest salt sale lite like which is feet ITC above the pea ett level ithe geological formations of the abo ulab which extends far bl the valley of the bo same ila dammand Damo me and the he ru Dural ing it clr aro are alsol also somewhat different differ from eastern of taij abi basin and the base bao of the sierra ne tada ma aag westward fram sale Salt lak LJ C iho abrasion sad ad washing away af tho the inter intervening vining ranges seems to ti lave hare been much mach greater and ba hag a a ratio of or increase ler ar you near their 11 catera limit they also alao appear appear to ha have u argone greater changes lan cs Pc eillY towards idaho and montana Mont aoi where the cap time limo stones ari are nearly dearly worn away arm rocks a ore gac geu rally cally ex posed these great upheavals acro undoubtedly C d to agencies for it a enuch 1 lodgar ger period and more effee tally also alan than those more easterly ca terly and ranges lac tice their greater and more moral rapid destarac giua lut to the ibo great utah bah valley proper from froin a hasty ob observe serva lion wo we god the ie ig e olo achl formations or t ati Is 9 and aej Is ild on r bounding mountains aiu to 14 tho the entire catir series within hat bat portion j however of interest aud hk lorica import autee but few ofilio grand graml divisions are clearly define gir lo in tb abo groat great wasatch ranga forma forming log ing the carroto Cag roto wall lb abc silurian devonian tia ard crous formations however however arg jArly aej in ia that portico by ilia famous cottonwood find american corli mining mi districts particularly 4 cioll aro are distant father miles milca boulb of the clit city el the tha silurian crist allice lime if mo j J ai io utica uca quart rest upon upon a b li iso now turning to the nort bas fri 1 25 J miles boiles sod you pa id a 8 slinina tAi Orld of the Devou devonian idu and enter il alp p vebor and aad bear river valleye whery the coal measures seem prominent but may cot pros krnc a to be of that agog ago also the ilo of the weber sea beatr i river iula appear sod and vol itic little amules with wilb still further to lo the ia the ibo vl vicinity vici city ot ol greco river sad brill ett cast of cj it if se 5 ries hiis abill ur the alue trim coal ulca aures are re well tell wark a tf betge between rl these jimim nrc are mount or of trap rap aad and metamorphosed rock often flunked flanked on cither aither side bide by sedimentary seda iry strata highly flunking flanking tile ali 9 great r eat utah valleton Val valley leyon the lent 1 slid and forming fo the inner jace face of the r boky wall trail enclosing itt iland and aldo through which the ibo two cottonwood streams force tb air air way down i to the ali jordan and thence into halt alt luke is a an 11 unbroken br 0 k a n thain of gran to snow anew capped pit peaks the misty claude that hover this thin rock reek ii already arc tily fa met no it does the beautiful of which abich grese rent mormon ter is ia bling bing built this variety of graniti in ia in n in ia lind and heat the lu auth orthe of abo little cot cat toDi rood canyon allec it il Is found iti IQ immense ironi pose boulders or mammuth block blacks which had bren been detached and hurled croul tile summits above to cheit taci refit laj ing e t in t laiq I 1 il gorge gorfie below t there he I 1 0 to bo be f r a frit ned by skillful bands banda aud and nex I 1 ad byrbe by abe modern blames and hi faithful fillo wets north of his and extending pint past fort a gins three wiles tulles cat of sal salt L iko city t y are devonian hll ahalt and aad gand aa in voria ted colom ciliate which ore arc lar ay iy as building ma lariat in taso ali to the wn and in the ihn runs blanp the azoic rocks are fesq prominent seldom appearing tp in in any 9 I 1 tit lanti ty this ran manxi also a go con lh the inner or kuplic atal of the iba great in thin interior tm sin bin immediately tho the great salt lalo lake and oj utah valley on the att nest ctt distant from tho the city 50 anic ac it enty mies ila I 1 chrt chart etc i im eni braco braell the lower ower and middle silurian mostly in iff a highly condition condU ion cut through in every direction by as also lao will be been immense masses ell of dirk dark ferruginous rock capping many of L the h a prominent ow anent tub nub or secondary af b e avata I 1 aran the valley in the be bia baat calyon and memo dionio of its lat acra corat feeders will b be observed also alro immense mames of broken up and detached tol well as ab permanent perman ont strata of tile the same lying y lowdown low down OIL oa the cetera slope lope of callio the terminating in tho the above e canyon air I 1 t LS rocki ort af thia his range ll 11 accia a em to be have undergone very rest changes change fl by oxidizing agencies either slowly as 11 for i evident in some oma places or more rapidly as Is fjaler also apparent in others tolis to he concluded |