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<br />CHAPTER II <br /> <br />SETtING <br /> <br />. <br /> <br />rock. The c.nYOll itself Is trTeguhr in Ihape vlth steep side ch..onneh <br />.nd vdh r.nging frOll .heer. hl&h curfs to long, bTOke.. slope.. The <br />ca..yon Ind Gnndlle....r"."p.r.ted by II v.l1ey..hlch parllllels the river <br />to the e..t, fonolng. corridor betve"nJ)lOlt..nd Gr"ndJunctlon. <br /> <br />the c.nyon II c.rved fro. landltone. lhale, lilt,tone. .nd congt~ <br />"rate beds and the .djacent ".Il"y II eroded thrOllKh the Molncol 'onu- <br />tion, a le<l""""e of thick "",rlne bed, of gr.y ,h.le conul"i"g. high <br />percentage of I.lt.. <br /> <br />Gra"d!'lf!.a 1..".ro.io...lr......"tofCe"orolcll"dlle.orolc...dl- <br />.ent,c.l'ped by Ce"orolc volca..lc rockvhlchh..prot"cted It fr_ero- <br />ston. The Bo....cllffs for. . &teep ridge .or" th.n 6.000 t"et In ..lev.- <br />tlo.. con.lstlng of re.l.tant .andltone of tha Me..verde Croup overlytng <br />aofter llaneo. Sh.le. The tlnc01lpahgu Pht".." 11 .10....1110-10"8. north- <br />..",t to louthea.t trendt"g .0000ta100l1a structure re'ultlng fro. geologie <br />upllftina. It h.. peak "l"vatlon. of over 9.000 feet. <br /> <br />Sever,,1 f.ults In the vIcinity of the lover Gunnison RIver Ca"yon <br />are aa.octated vlth tll" uplift ot the Unco~pahlr. Pl.te".., Mo.t of tll~'e <br />areaa, according to photo&"ologlc Interpretatlo". have faulted Quaternary <br />depoelta (llrkhaa a"d ROlera. 1911). <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />- <br /> <br />-- <br /> <br />. <br /> <br />-- <br /> <br />~-~- <br />~~,.:o- <br />~ <br /> <br />,... <br /> <br />- <br /> <br />> <br /> <br />I i50~ 0_-'"--_-- <br />... ...----- <br />. ---- <br /> <br />- <br />.. <br />- <br /> <br />- <br /> <br />- <br /> <br /> <br />. <br /> <br />A"rlat vlev taken In ~Ioter, lookiol ve.t fr_ Clbble. Gulch <br />ar~a acro.' the Gu""l.on River Canyon vith Grand ~aa In <br />th~ backg.O!.>"d. <br /> <br />, <br />