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<br />1 <br />i <br />' u <br />0 <br />0 <br />:I <br />' o <br />.u ~. <br />ue m <br />Figure 3B <br />E X P L A N A T I O N <br />k <br />~ Qal <br />Alluvial and colluvial deposits <br />Qal, alluvium:. clay. silt, xmed, uud prn Tel <br />,' Q({Y <br /> Alluvial gravels derived from <br /> Grand Mesa and the interven- <br /> ing area north of North Fork <br />~ ~ of the Gunnison River <br />U <br />Fan and pedi meat prn refs, tired other <br /> nllurio(detrosi fx. Crcurel ojall Three <br />a map urti Rs is si nr filar in fithnlnpy and <br />a' f411xrVL4 of ba Y61t baaldPT.9 6rtd [ah- <br /> bles in a mntrir of srtnd and silt. <br /> The basalt runs donned fmm Jla w.v <br /> cappi up Gmnd Meva. Map rn+i tv Q6Y <br /> Toed Qgm uL9o incLrde some non- <br /> bouldcrp ullurfum of focal deri cation <br /> Qgy, you ogee pea eels: situated al 3 or <br /> In•els. Pinedalel?J ape <br />Qad <br />Alluvial deposits derived largely <br />Crom areas east and south oC <br />North Forkot the Gunnison River <br />Terrace prn vela and other ullu rial <br />deynviM ¢t rarinas lerels nborr prea- <br />enl druiunpe grade. Cra Telly eon. <br />stilacmts cnn.visl mnvlly nj inlnixire <br />a red r»lcmric ttrckx den rcd J-Tom Ihr <br />R'vst Elk Mnuntai u.r. Apr rc(utia+- <br />.vhips to other Plrisfueene rlPpnsi La <br />oat roll exfnhli.ahcd <br />Km <br />' H ~ L <br />d <br />o U Mancos Shale <br />' ~ ~ Dark-6romrt to pray nonresistant cl¢y shale. A'iabm ra <br />ry ~ equroaleu 1, u light-pray calcareous shale. 9s present in <br />U a upper lov,~er part. Juana Lopez ,5lem her, ¢ sandy <br />~ cn(careous shale and mfca roans saudv[mae, is present <br />p, about 300 to 3,50 feel abm~e 6axe. Base of Jr<ana Lopez <br />~ Alrrnber (JLJ is sham (ocal(y. Mazimum thickness <br />.-+ <br />Iq of Mancos about $, 000 jeet <br />C <br />N <br />Y <br />°' ~ Keb <br />~ ~ ~ Dakota Sandstone and Hurro Canyon Formation <br />' .tea u ~ ~ Dakota Sandstone: liph f-pray to 6roron res isfmrt quartz <br />N Z ~ oxs smrdstmre, lorttlly carbmraceals; sane d¢rk-gray <br />~ ~ carbonaceous shale; cherf-pebble rnnplon+Prale Inrally <br />' prexenf in lacer pmt. Forms steep xlopes aad cliJj.9. <br />Maim um thickness about ]apfeef <br />o l Burro Canymr Fonnatimr: ~lipht-pray lenticular chert- <br />~ pebble conglomern to mrd smrdslone, liph t-gray to preen <br />elaystmae. Alnri nt rent thidveexe~ abnul JOUJPef <br />H ~ ~ <br />m ~ <br />~ ~ <br />' ~ c Z Contact, approximately located <br />s <br />m U , <br />6000 <br />' 6100 <br />Structure contours, approximately located <br />Drama ar Base of Dakota Sandsfare; shounr ordy ire riri uifp <br />of Dakota ou Leroy. Con tmrr in lernal 100 feet <br />