CONTENTS TEARS ECs ie wigs Oo eee ge OS ear Nee ear ear acta eM eA een ee Sete Vv Britrod UCti On es reser ree etree Cy ae eee Rh Gi ser en et gE ae on se General statement Accessibility ELIS tOn yep ees eels Ser ae oe Coe RRR ES RUN Physical features Glaciation Climate NAGE WD Re et (Generali ecolo mya eaas te Mannan: corp ter tints ent pet) peer nian es REN ARS yee & Summary statement Table of formations ASILKAISTOUD HAs emesis eee eRe NC ees ee RS oe ieee ae 10 Distribution ’s verte ce eee nica ay eres eRe ET NT 10: Ith ave Opens Mei ReenG cee ens er MB Genie = aR 10 SSURUCEUTE Retreat Se Oe eer ercres erer a eeu ripen one en ee Rs ORL iW HOSSIRCOMECHONS Het ne ceate hitmen estate Gun ager Ue erect i Agesands correlation tiie. citi. 0) shee Sed ere ee en 13 @achel@reelka group eye tc as 5 snc ee eee tea eee er ee 13 Distrib ublone 8 sae aera Geils etiam ee ee eae 13 DGG OlO gy ise ess Sere eae a Athos PS aT 13 Structure crea Uhre een meg ates ee te ete Re ae eet 14 BA De rerh Maye tera techs tatn ne Re CHe. eta, Pap ee ee 14 “TDRSVES FEN ar eCon os 2 aa remarriage ra i aT Cen ae 15 Sumimanysstatementeentens cree verse ea ere 15 Lower division..... Ea Oe UE ee ren Pera TS eA COS oor 15 Andesitic and basaltic tuffs, agglomerates, flows, and tuffaceous Engel tires Pececbel ae cag ea ncaa ER a ET EO eS sae 15 Distribution eset sss eee ey ee a rte one eel Omen 15 Ubitholo geyser nas sis ete a OE ee me 15 Meta-andesite and meta-basalt, greenstone, basalt, hornblende schist, EG Lanse epee cass etd CURRENTS RE ORE ORT Oe Ree EAS 17 Distrib uilonwer, sactey ees See ce tee ee Cag oat ea 17 Ubi thOlOpypenieet ccc centinaa hk Aes RR ler See he eee 17 himestones tuit-sandsarcillite crest cp tne nia es oe an ee 19 Wippenidivisionememcr cre. cts so cocci eer ents aR EE ee 19 (Distributions pia sekise ce eeceere ee eR nee ee 19 Trt ology srs eyes seein saat eer cae cet ue eek RS 19 Rossilicollections cssieecenictren eee ee 22 StructureomtherDaklaeroupwssc sea. 1. cere ers ae ee eee 25 Intermal:structuralérelations scissile a ee 25 ixtermallstructural relationsiaa.cie oes oe ee 26 1 Reyes tA a eter RGR mee Ro Ra eR ET ere Lei el beh can oe, eee 27 Gabbro, peridotite, pyroxenite, dunite, and serpentine...................... 28 IDMe(ial Ona saga ta machen oe Been PA SIAR, oh a, Sateen 28 IBIKHSYo) Loyia yes Ronen ean aN rat aie Un et NTE et nos 1 2 eee 28 DURUG HUTS secre earaie re laten etsleo set cree own asa St 30 BA ESTA sansceaees ayaa test aNd. sed pe cntcects a eeewaca ic, SUawen tuscan oa REE SER SRE eae 31 OmiINeCAsintEUSlOms Mayer aictee ne Weer ied weasioR We eT Tarai Is ane 31 | IDFeial onto nde Ma elas crepe eR Sire SERA Ri atioge Liner a 31 MEL GHOlO payee merpey a icra Gere teaaesahe Creat OER I aS 31 SLND CAND NES arg ph Nac acai etre cr iy Ae Be ene en ees eR aE 32 OOO aE RES OAD SHON POMC MMO Mee aid ag Herc Oat Onan mmee 34 SUSLUDISTOUP Re yr meet ar eriy Dire nor Sane Ieee BEET eR ET RIC ees 34 IDSs UO) eeremn Grote nec aarti ei eran ican 34 Withologycishieie ame ee cise. aus cic Mae dele odes cise 34 IMVe ta MOT p Dismie ie ete sia Sega eta eecticy eeein hs gti Skene eee Salus) ay ace 37 Internalistructuralirelationsn-stee mache ae eles 37 15410—13