| Show I TO PROSPECTORS FOR OiL Prof Prot Arthur I In Mines and arid Minerals Scranton In Pa for June says say Since FO o far us as we nt rit present know the rocks rock of ot the lice ago and principally those of oC the Cretaceous tIer per period lad iod mainly carry carr oil In Colorado Color the hip prospector should fIrst make malte sure Jure that he is on the rocks ro und of that t period nib and hole especially on OR on the Mon lon Montana tana hina group croup or subdivision of ol that I rl I As a general rule rull he lie may mil recognize this by b Us lis being usually ut itt sumo comb I distance cast of ot 01 or geologically I speaking time the gu tit Dakota hogback no so prominent till all along the tM I eastern foothills of o the LettaU the Is half a it mile stIlle or more east eUlit of oC I this hogback occupying low arable arabic and I agricultural hinds by b reason of ot the soft and antI fertile character I of o the time 01 ond ed which compose It Tim rM group IH is composed of DC shale often ollen containing concretions lie im I 1 lime which when broken I contain shells fossil sea s a shelly shell shellon nit on generally characteristic of ot thIs lisle group Then seams scams of oC g also oc Ol occur cut cur in iii the tite and occasional of ot yellow sandstone He lie may observe ob cl of at these chubs along the banks of a stream l dry gulch or Having decided J that he Ito Is on the Cretaceous rocks he should observe whether or not lie tho th sh lea are arc highly tilted It If so he had better bettem go farther cast till the be begIn fin to turn or 01 be become become become come more horizontal or basIn up Hy Ily observing the tho dip lip In ill sections exposed ho homay homay may na note whether the strata are arc thrown Into gentle arches and shallow troughs The summits of ot the arches are arc the b best beat nt places to sink a well sell and next to them the time bottom of oC the till corre carve corresponding trough or synclinal Dome Douse shaped masses enticed caused by II along time the axle axis of at an on arch or are afo particularly favorable where the tho strata lIlt dip ort oft every oVIr way Wl from rom a given center Falling to find any all of ot these arches s troughs basins or domes he ha hehnel hail had better bette locate on the Hat prairie The next thing Is to seek neek for tor oil signs these theRo may amy or ov may nitty ma not appear Ho lie may ma find sandstone or other took rook soaked with oil all or ni tarry tan matter flintIer which will hum bum readily He lie all springs or other oilier bodied of ot water for lor or oil all scum cum floating 1100 on It It Oil scum Is a II thin tUtu Him of oil colors color like bike those of oC the rainbow A Him fIlm very elY like oil all scum with the same muse tints Is often otten observed In marshy places hut hilt this Is Ia not nil oil but non Jon It IH III readily distinguished from rota true oil all scum by breaking up UI like hIke a solid when stirred with Ith a n and ulal not reforming again Oil scum on Oil the other when whon stirred breaks up n a liquid and reforms again and shows Its colors I Gns from pools are often Indirect evidences of ol oil 01 neath os es especially If II they Ignite wit with ft II a reddish flame tiame 11 e the th gas aA Is natural nn gas Jus or carbureted meted hydrogen hydrogen gas Is a les likely sign anti burns bluish und and emits a n odor Carbonic add acId gas deem dor tint not Ignite at atall atall all nil It only Oil hubbIes bubbles and umi Springs Spring of or all ull kinds Indications especially l his tt wrings springs sal Inc Ine springs mineral minerai spring and those that deposit gypsum It Is s well to taste 01 or analyze these th sc c waters for lor of ol oil In some Bomo regIons like hIke California reddish anti and bleached white bite abates In iii Indicate oil or 01 beneath but hut such we hoe have not flat observed as os yet In Colorado The sm smell U of ot a 11 rock ock with bitumen Is l a I way stay to tile the th of oil 01 Highly bituminous uncles which will vIll light with n is match like hike those on nn Creek reek j I count county rime are Indirect evidences of ol oil In InI Inthe the tho region re llIn n alto nHo 0 are nrc filled I with wIlls Porous rocks and con conglomerates charged charle 1 with bitumen arc are Indirect evidences of ot nil 1111 ll In III California of at ground leaving shallow hollows sometimes fill 1111 filled filled ed ell by hr a n pond loud und usually surrounded I by b reddish h burnt burrit or white clinics life are indications Indication of oC oil all or beneath b i tin th subsidence being caused by h tho thus thoi i burning binning of ot by liy heat heal i connected with deposits Such Indications we uve have hll tint not ni We 0 yet et Cecil In Colorado Whilst such oil dens are itro to be lie carefully carl tully looked for Cor there thore nay may be bc many areas In Colorado where oil exists at depth without showing any ony fin surface Such localities may reasonably be prospected If they show the favorable geological conditions anti structure WP 0 la described de There Th rc Is considerable risk as ns well nj n much ex ox exciting exciting citing speculative speculate Iter st t In boring for tor or prospecting for oil We Vo e will not en enter enter enter ter on tho the subject of ot drilling hut but It has hIlA often orten heel been proven proe especially nt ot Florence that a n drill put down nt lit one spot without sul F inay In a II few fow yards from It prove lIOe up tIp almot t a n usher gusher Whilst we 0 have hae endeavored to give II some general hints and ond directions for tor Or for or oil 01 we wi would say nay that wells welI ill ifs n ti rule tui 1 not bc be put putdown putdown down or property bought bou or 11 taken ken up lIll until the thus ground has ban h carefully CJ e by byo a competent geologist The Itie same cause rule holds hold good in n oil mining ds os osIn In mining musing the precious nr p No o or Property 1 J i nowadays bought by It prudent ut Investors I without I hout having It fl 11 r by a ma compe competent tent mining r rIn In this i l won of It caution Is necessary ary A skilled 1 and ex cx oil oilman fr fi the fields of or the Plates H not always a Judge JUlge e of or the different conditions to be b found In West ost He will probably be Influenced Jn In n his observations ura lions g by b tho ho result of ot hw hs experience but bitt things and conditions are ara materially different In the West Iri h the first place the thu th oil of ot the tho th East Enet En t occurs In 11 In Paleozoic strata In the tho West In or Con Can rooks of far more recent r date anti he may nay expect to find both rock signs auth other conditions different from noun what he lie has been hp n used to an 0 flail find some pom in adjusting himself anti his Ideas to the changed environments |
