• WASHINGTON STATE DEPAIHMENTOF Natural Resources JennlfltrM 1 .icti.r -Commlsslonerof Public l"ndf k•lttn Cottlr,gh,m · Su~K>r 120° 30' 46° 45' Tp 1,so nci mN T 15 N T 14 N ,. I i ' • 0 'l!'Nr vi, i I / /'~.f ', -_,,.ow' l - - • '--"' ' / 4~'l0" --p.~,, " 4 0' T, , T, Tfag Tlk Tish Tlg T, '"TF;' F, I' .: _ Q~~ T- ,1 '?· Teu /__,, '" > ,,, ' -~ - ...:. -- 30 ,. _J 3 J i'' Qe t \l-- e---•--- · -=\._ •·• \,: 4 I., I 'I . I ·: , I, 1 ' \ i ' / / ,, -/' 12 3,,, To, '"" Tp, T, c~ v::-o i - -c<ao; _ ,, -R=,!------ ·-~ <-2>\<-, ' 120 ° 30 ' 2 010 000 FEET 2 '30'' Base map prepared from U.S. Geological Survey 7.5 -minute Pomona (1974), Selah Sprmgs (1953), Yakima East (1974), and Elephant Mtn. (1953) quadrangles; 1927 North American da t um 10,000 -foot grid based on Washington coordinate system, south zone 1 000-meter Universal Transverse Mercc1tor grid ticks, zone 10 ' Interstate and primary roads updated from Washington Stc1te Department of Tr,msportation, 1991 (Yakima East) '}2 ,' 1 JI . Ii 34 .i'., . ' I I 'I' .ll .' i ,. 11.' 'I· i ', B~ 'l j ~ ! E ' ' I __ b ' I ,• Otm, -~ - ii " I'" l l :& '~- " * J ,, .. " /,,, 356 MI LS U MILS UTM GR ID AND !Q85 MAGNETIC NORTH DECL INATION AT CENTER OF YAKIMA EAST 7.S' SllEH f ~ :" - ' 5 . J;- 11;7 _ _ --r R19E R20E SCALE 1, 31,68 0 )000 S((t I S'LO .. ,T[O - 1// ' ~- / '" /f"'--- --1,-d . '..-- / ' a, ' . 'ic'~-"" \i - \'.?""/ -,,..--- ,< - , ........ // ... -8 I Mil( ' ·,,,'"'.=_-,\ - ---\· --;-"\ _v,\_" WASHINGTON • OUAORANGLE LOCATION ' ·"' a ' '• ... ·!/ ... '. . I ' "· ,. - . .. "-~ -, '•. _/ / I JJ"i. 1 ,' :, ,' ,/ ' -, I ·6 1.t.- , .. ( • ' /i ,,1 T 15 N T 14 N 510 000 FEET 40' T 14 N T 13 N Tlg Tfsh 35' ., 46~ 30' 120° 15' Prepared in cooperation wi th the U.S. Department of Energy under contract number DE- AC06 - 81RL10297 Washington Division of Geology and Earth Resources Open File Report 93-3 Sh ee t I -Y akima East 15-mlnute quadr angle GEOLOGIC MAPS OF PART OF THE YAKIMA FOLD BELT, NORTHEASTERN YAKIMA COUNTY, Qam Qa, Oal a,, a, a,, Qafo QTog T,m Tsi Tp Tq Tp, T, WASHINGTON by Robert D. Be ntley, Newell P. Campbell , and John E. Powe ll Otm 1 Ts Tmb Tse Tfsg Tfsh Tlg 1993 GEOLOGIC UNITS Surficl al deposit s Alluvi um , mainst ream fades All uvium, sidestream fades Terrace deposits, mainstream alluvial deposits L ower terrace deposits Middle t errace deposits Alluvial fan deposits Landsli de deposits Eolian de posits Catastrop hic flood slackwater sediments Older a ll uvial fan deposits Older gravel deposits Thorp Gravel Mainstream lacies Sidestream facies Elle nsburg Fo rm ati on Upper Ellensburg Formati on, undivided Rattlesnake Ridge Member Selah Member Mabton Member Squaw Creek Member Vantage Member Co lumbi a River Bas alt Gro up Sa ddl e Mo untains Basalt El ephant Mountain Member Intracanyon fl ows Pomona Member Esquatzel Member Umatil la Member Wana p um Basalt Priest Rapids Member Roza Member Frenchman Springs Member Sentina l Gap flows Ke ll ey Hollow flow Sand Hollow flow Ginkgo flows Gra nde Ron de Basa lt Upper basa lt flows of normal magnetic polarit y High - magnes ium chemica l type Low-magnes i um chem ical type Upper basalt flows of reversed magnetic polarity EXPLANATION Contact -?-- ·· ·····--- -· --·- Fault- Dashed where approximately located; dotted where concealed; quer ied where uncertain; bar and ball on downthrown side --.~.-~-.--.-,-,~- -- --,,- - ? -··-· --·.,,- -- --·- " Thrust fault, showing dip- Dashed where approximately located; dotted where concealed; queried where uncertai n; sawteeth on upper plate Fault- Showing relative horizontal movement <I Lineament from aerial photogra phs, showing dip ~- -+---- +-- Anticline- Showing direction of plunge; dotted where concealed Syncline- Dotted where concealed Monocline- Dotted whe re concealed; arrows on side with greater Incli natio n _2 lncilned $ Hod1.onta/ -+- Vertical Str ike and dip of beds 23 0 ,. 4--- 0uer!urned Geochemical sample locality