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Tahle b-1. 1tCG! FO[RatlpnF Q'pJ.vEA N the FIOCld AreA. SQIt1R.C5CPli1 COlOradO
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<br />Systas Series Suatigrapluc Unit Thickness Character
<br />(Feet)
<br />~r°~N Fblocs~e 0-20 Talus, aLlwiirn, and wiiddewsited m3 serial
<br /> Pleistoea~e 0-200 Talus, lardsl ids deposr is Irn part of Nolmere Agcl, fangloresace, lake beds,
<br /> and iadif feientiated stream demsrts.
<br /> :hmnf
<br />mi
<br />
<br />';Y.rary (])
<br />Pliocene (?) or
<br />ty
<br />(1)
<br />Gra~.el m,posed of rnMles and boulders of porphyrruc rgrea-s rxJC.
<br /> Umm~formicy
<br /> Mesaverde (21 Thick-bedded yellovishyray sardstraie and light~lray shale.
<br /> Formatam
<br /> UPPer FNnms Shale 2, 000 Dark-gray fissile stole.
<br />Cetaceous [ekota 70-220 Yellw lenticular sandstone and mrglamrate; intesbatled carlrsiaceous shah
<br /> S;`'~-.-- a`d inl.;u~e coal.
<br /> lkncmfornicy
<br /> tiro C'an}m 50-300 itut¢, gray, and red ~..-+~r.,.n and mnglamrate: intrrbaida3 gr=~ and
<br /> IOnPS Formatim radish-purple shale.
<br /> J00-750 Hvshy &asiT Ftar~ber: vaziegatai bentrnucic shale and mdstore; [vsty-red aid
<br /> lbrrison cad sands:8ie and mnglarerate: local thin linestnne bass.
<br /> Formation
<br /> 240-440 Salt Wash Flanbcr; vhi[e, gray, buf E, and rvstY-red sardsrme; red, ra3drsh-
<br /> b[on, green, and gray mdstore, sca[terod thin linestore beds.
<br />,Massie Upper
<br /> Sumrerville 0-100 11dn-bedda3 red, gray, green, and broad sardstme, sardy shale, and rt¢d_stuie.
<br /> Fornacim
<br /> San 0-225 Slick wx:k Member; orange, tuff, and ~.tute fire gained massive and ¢ess-
<br /> Pafael Ehuada
<br />S bedded sandstone.
<br /> Crwp
<br />arisrrnne
<br />0-100
<br />Oeey ridge Ffarber; rat, buff, a-d orarye Irsimntally baldad orristarn,
<br /> siltstore, and sardsrrnne.
<br /> Urimnfarndty
<br /> Navajo 0-SOOt 9rff aid gray ¢ossbaida3 fire-grarred ~^~~*...~,
<br /> Sardstme
<br />Triassic 17) U~• • Glen yayente 0-300 i..ep t~rly bedded red, buff, gray, and lave+der fire- to ooarseyrair,ad
<br /> Canyon Formation sabstore, silrstnre, and shale. A fev lenses of mrglomrare
<br /> Qa~
<br /> Minuets 0-500 Fire-graired ra3disRb[o.~n Utick-ba~ai, massive, and rsos.bedtled
<br /> Sandsrune cliff-forming sardstone.
<br /> Chime 0-750 Ped to orarge-red slltst~e vrth interbedded len_res of cal sardstore, shale,
<br />Upper Fbrnucim and lrsestore-, Mle and clay-Eel let m`glarerace. [ervse_s of quaz'tz- b61e
<br /> cnrglar~ra[e and grit a[ the base.
<br />Triassic Umm~formity
<br />Middle 1?) 0-500 Upper naribei; cluolate-proem rrFOle-baked shale; chin lenses of arkosic
<br />sardstone.
<br />Ioxr M~enkopi 0-290 Middle rtvrber; cFncolat¢-brown azkose, azkosic mrxllarerate, and ripple-
<br /> Formatim baddoi shale.
<br />Triassic (?) o-3oG lass manbei; reddish- [o yellowish-hran indistiric[ly bedded poorly sorted
<br /> nudstone. Iucal 9YPsva beds near base.
<br /> Urmnfoxmity
<br />Pernuari Ntler 0-9,0001 !'area, cal, light-raiyrottled, and parple oanglomra[e, arkose, and azlcosit
<br /> Formation sandstone; flan bass of sandy mdstore.
<br />Upper Aim 0-1507 Maroon, red, light-red~ottlal, and purple crn9larerate, azkose, and arkosic
<br />and Formation sardstse: interba3ded rel and gray marine limestore.
<br />Riddle
<br />Pennrylvanrian )sal umm~formi[y
<br />Middle lN_rnusa 2,000-2,200 1.vrestrx~e nanber; gray Eossilrferous limestnie and thin beds of shale; mrmr
<br /> Formation azkose.
<br /> (21 Paradox MaKei; sandstone, azkose, carboriacems shale, limestore, 9YPSSn,
<br /> and salt.
<br />Precamts+.~^ Ur~crnrormrty Wlcanrc and me rvrorphre crystalline racks, rrncluding 9reass, schist.
<br /> granite, and paareurc.
<br />(Pef: liter, 1970)
<br />6-6
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