Terrace deposits 



EXPLANATION 



Kate Peak andesite 



Metavolcanics 



Metasediments 





g boulder and eobbU becU 

 Includes Urn terraa deposits along river. 



OUnne basalt. A ttne-graincd rock typically black. UWOtOfKnp red 



broiw*. Qbi i mall infruswns, 



Wtp/l OIK/ l.i'ii terrace deposits, iniilni, r en tinted COfflDOStd loniJ.i Of 



anaetfUic detritus except fm the lowest terraces which also contaifl 



abundnrt/ g/mntie mid metamarphic debris ■ | \.nni\i. 



r/pp.rr member (Tat) lAghi colored, ranging from gray to (on and 

 brown or fignJ ohm, un'fA (oca/ .WiiiV dt^oHinccoH.s (Vmjnv., Cow/iosed 

 einethj o/ cnhhli--pei<iii, conglomerate, blue-gray tandttone and sAal*, 

 pu-/iniid<<tiuiln oj andufttc ampatiHon, Dtatomitet in section locally 

 fAtcfc. 



Audits •iiirnif basalt .Teh,. i.,>h,, ii,,u dense, black, mid columna. 

 jointed. Upper fiom u itfl plaity foinhna, durA- graj (o 6iaeJfc, un 

 red oroiwi. 



Lower nwmfcu (TcQ. DarH mioi.j, ranging from dark brown (o tfarft 



jrrny and blackish Composed <■! cobble-bouldei mtdesilt conglomerates, 

 lOCal sedimentary breCCWS at mOTfftTU 0/ bo-flTl, COOW 



stone a»d sAalt, nnd "")/ diiitotintt .'. r»M I omrnonty ruts on a dart 

 regolith. 



dray lavas, flow breccias, and agglomerates composed largely of ha\ 



w< ,(-/,- oi'iii-sih\ \ssu, mtcd houidei ami cobble conglomerates in 

 section. Locally inclvdu hydrothermally attend rocks. 



Chiefly gray to brou n lava*, but may include eUU m dome?. <',,,„,„,■ ,!,,,„ 



■ . including both hoi nblriidi oi,d, :-lle mill pij! „., em ■ 



■ hydrothermally. 



Leucocratic, mcdium-graiiied, Inolite-lmi nblemte gianoilionte. 



Black to greenish black lm:,ie tlnu-s mid Infix. 



A wide variety a! inetaxedimeiits, including nnjillile, hninfeln, r.lnte, 

 marble, ami contact elu 7. 



SHHH 



-I I- 



I I 



Geology by Daniel I. Axelrod 



Mip 1. Geologj of » part of the \Vrdi I 



