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<br />42 Sedimentology and Stratigraphy olthe Palisades, lower Comanche, and Arroyo Grl'lnde Areas of the Colorado Ril/et
<br />
<br />~Ite. aJp.:em III ka!ur,' 5. IlJ' an de\atl,l]] ':\In'l,t,'m \\ uh
<br />IhJl (lflhe II})~ C,II.lr;t;jl\ RI\er 11". oJ t.~.()(,O 111-", ]O:-;.!IC~I
<br />1i3 ,J. SummLl~ ,,'\era[ t\.'.llur," an: part[~ hUrled h~ ae,llwJ1
<br />'..:dimenl. hut \\l'r,' hUll111111l1al,'na] Ihal onglJ1ah:J thlm
<br />COIOr-IJll RI\,'r rlt"oJ, .mJ di,tal (llllu\ lum fr,'llllhe n,'arh~
<br />l.kbrl' IdO. 1 he 'Ill.' I' ,111...'.:1\,,1 h~ arT\l~" Ilh:i'llllI lartll;Ld'
<br />e\f'tI,,'J mIll,' nllnh,'mrn,,,t hran....h..:.. ol1lk' 111;1111 arrO~ll
<br />..y..t..:ml.
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<br />( I.~' [()(I Thl, ,lIe l'I.:,"UPI", a P;lrtl,ll]y JetlaleJ .:1'pPI.......
<br />dun,. .Ire,llllthe region 1TI,lrp..:J a, 'e,"leollJn, (I'ppl,"e)
<br />b~ I kn:fi.lrd ,1'143 ~ anJ h II uhin Ih..: 11l111l "llh,' Jntl\~'l(oJ
<br />lin,' h..:lI,'I':<.1 to n:pre,cn! Ihe 1 ll~ I ( "II'ra<.1" Ri\cr Il'''-ld
<br />c-l.:-;] 0 1113..: 1 "'O.fl\lll ft.' ,) ,\,) \'[,:;lr ;,....Jime11lar;. ,ml,'ture.'
<br />\\..:r..: Jrparent 1l11l1",t ,'flh..: ,;md 'Ih lll,lIenal !IM! h,h
<br />t1llcdin;,tnl':llIr":;';1I1hl"Il,',hull11tlll'm'rthemm."1
<br />,tmetur,', par'1lkl-h,.dd....d ,eJmlentmdIGJle.. likdy a,'I,1ian
<br />d<:f"';,lllon\"I,II.m re\\('r[."mg"fllo,...J-J"rl'\'lt ,<:J11l1,'1l! I'
<br />li["'dy h:atUh'-Illcrtl.:a]llall;,llf"lI1J,l\Il1,'lrI11l1Ih..:Dp\
<br />hmnalll1n putlinmg H"-'lTl hlp.:[.",> h ,.\f't"....J III a ,h.IIII1\1
<br />anlll,flh.: lll.llll .IITll~" !1l'111 nrk. .\ driltlll>l,d Il,t: JiTe':ll~
<br /><Ibm.: thl~ \\ ,tit "\P,,,...J 1l1111l' g.ully tl\;]II' bcUlt: lillcd by
<br />migrating dUll<: "II1J. 1,;1t tlte ,;II11e .:k\;III\Hl <I' th..: II)~ I
<br />dnl1\\t..oJ Iml' ,ur\\'y.:ddurin!; Ihl' Illlr[.". :\,'(,Ii;m ,edlll1"'lll
<br />I~ tiIJlIlg in lh... arr"yo;h;] ,.;md dUIIl' appfll\lm;lIel~ ~ I11lugh
<br />I~ al"lI\ l'Iy mlgrallng It, lh,' l1prth (,ll'pr"\lmatd~ Ur-~\lI1yon:
<br />ligur,'3Xl. h'alurl.' -'I;].. Id"'Ulltil'lterll\lingl'llllllan in':I'l\lIl
<br />mtlllhJ\ lal ,Ll'I,llan ,...dll1l<:n1l11th... aT,',1 lll>lrp,'J;l' 'lml' b~
<br />I ladi.'rd II \)1)3 I and i, ,lpl'ar":J1tl~ !:l"lh built 1111 and butll.J h~
<br />!1u\I.11 ..eJ11111'nl thai ha, lllld\'rgl.t1l'a".'Ii;ll1lll'lJilieallllfl,
<br />t ] _~: I () I Thl' ,lie h JtJ,'aleJ \In an appar..:n1 11uI lal e"hhlc
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<br />Figure 38. Sandd~ne mrgralll1gnOrthward lupcanyon.l0wardlhe
<br />left in Ihls easl.tacing photographl,lllhng a small gully atlhe I ocallon
<br />olarchlleological Site C 13.100, Palisades Adntr.'Iood log lIarlett
<br />01ph010J. partlallybuf1ed by aeol,an sand on ,..'hlCh vegetal,on h as
<br />grown, Ilesatlhe sameele\iall0n as a dr<ttwood Ill1e Idenllt,ed as Ihe
<br />1921t1oodslage
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<br />bar jU..l t1\er\\;ltd urilk' li'rm,'r 1ll,'atl"ll of the IkalTI,'r
<br />rr'1ll [)nlt\\\Jt,d pr\',enl '1lthl~ 'H,' h at an <:11'1'111\'11
<br />':llll'l,t...nt \\ilh IlK 1'15- CI'[pr.ld., RIIl.'r !111I...J ell.'nt 13.:'-10
<br />rn.~" 1."'.5.0011 ft3 ~L RI'I'r\\;Jrd "flhr, ..lll'laIlJ thl' pld
<br />Ikalll,'r Ir;l.lllt';1 r..:lati,ely llal .Irl'a \\llh thm ~\'.lil11"'ll1J~
<br />':llla ,lIer th<.' n\,'T ':l,b\'>k~ th,lI pn'\'>;lbly- repre'enb J
<br />IlI"ld ..urLt.:e Inll11l'.lhllely landllar.l I,fthh 'II..: .111d th<.'
<br />(ll.l [k.lI111'rlr.l.l1 ar,' J,'I,!lan dun..., thaI ha\..: app,lr":lllly
<br />un.lergone Jetl,llIon, ,...Jlrn...111;1r;. 'lrtl(lllr\';, l!l Oil... dun...
<br />thJt h ;l.llarelll \(l the !"n11l'r Ik;un..:rl f:Jil m.llrale J,'ohan
<br />'tratltie.J!IOI1 .lJPl'lIlg I" Ih~' nunh] 111'0, .lunl.' 'I'JH11,'11l
<br />':('lhl~t' l.hh'II-'I.rh:,ltin.; tll1l11'Jlllrll ,an.l, and the
<br />JI"nh-Jlrplllg aellh'1n dirnhing tlprle, lIldi':a!c 1l,lnh\\arJ
<br />dun..: l111grau<lll 'ell :lTlII;\eh h;ll,' h~'I'Il",\PI"".l .1' June
<br />1lIlgr;ltll>ll ;md dl'llatll'll l'~':ur rh,' d"P"~ltllln,ll,'n\lr<lnll1CIll
<br />01' ;,l.'d1tl1\'llI "1I \< Illdl 1111' 'Ill: 1\ ,I;' ~'I'lhtru.:il'J cannot b~'
<br />(,'ntiJ..:mly a'l"l.rt.UlI\'tl. allh<'lIgl1 rllllll.l<.'d flul tal ':l\bhk~
<br />arp...ar h' ll11d..:rlle many ,,11111' ;lnifa.:h ri\ ...n\,lrd 01 till' \l].l
<br />Ikal11~'r lfail\mt",ll"h '1Te butll'd hy lillII' ,'r 1111 'l'dlllll'nl;
<br />II her... 11\ ,'r1~ Ill!:, 'I'JIIllI'l11I' rr...'elll. It I'~'l.'ur' III th.: ti.'nn or
<br />,m,\JI l"I'rrl(,' dLln~'..
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<br />(, .13 ~7~ (;r>lld. l"I,hhk',. ..IIl.l boul.l,'r, r...hue.l In th...
<br />r.di~adl." (r...,'[." dehn" fan arr...ar Itlun.l<:rll", 1i.'atur":':l1
<br />lhl' ,]11', lhl\Ugh 'and an.l ;,111 li,rtll all ~'\Ien;,il"l.,ll\'r
<br />.,I.\anabk. thl,'[."n..." I'\,'r the,,'I.lfl!I'r rla;,I'lligur..: 391.
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<br />FigureJ9 Thlfl sedlmelllary cover at archaeological SlleC'13272.at
<br />Palisades In the loregfound are cobbles associated WJlh a habllatwn
<br />5trUClllreatlhlss.leMesQullell1thebacKgroundhasgrownonsed"
<br />melll that partly covers the site Sedlmentdfj'Struclures are absenl In
<br />lhtS sediment; JIS color and conSlslency suggesl a t1uvlat Origin r ather
<br />lhan locally derived mateflal fromthe Dox FormatlonlStevenson
<br />and Beus, 1982\ Aeolian rewof~lng IS eVldenl in Ihls dellosll; a partly
<br />burled dnftwood log IS e~posed at the northern end 01 thiS site In Ihe
<br />same sedimentary un II Thesedlmentar\'coverls,nterredtobea
<br />Iluv,aldeposlllhal has been rewor~ed bywmd IlllO coppice ounes on
<br />whIch the mesqulle has grown ThiS IS \'Ilm,n the 'Imt Hower mesquIte
<br />terraceluMmaDpedb~'Hereford(199J)
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