iv
CHAPTER V.,

PEtrOStap ys es. os Fees eo os ee ail ee a OR Ee eae s
EINER OG UCEIOT 2 o 8 yh ich ioe eR a eet le es reece ae Be eS oats
Maude formationcc 255. % sos 5 ic RGA Se eee os

Quartzitie: £0CKs 2.5... 225 ea cais BARU Re De eee. oe
Calcareous feldspathic-argillites ¢sniaiiaee SS OS RR oe sc es
Tufaceous Sediments. Socteces, Seis a k ER Presa Sw as
Slaty..ot shaly-areillites is oa ca ee Rs
TimestOness 5 fee ss Se kk Fb eld Oe et ow a es

Basalts soos. 3 ccc cs ook 5 eae tte Se rs
Augite andesite........ SEDN AEE SERA hs HO os
Pyroclastie rocks... “Sotis gn iit be ees Sos
Basalttuitsc since: cc fais cS Paiats Sein 5 wecletae cele Song a oe
Basaliagolomerates . os oy itoaa ution ecataitiere einem eS
Batholithieroeks 53825 25 os 6 hbk ak Oe es
Kanorquartz sigrite. .5 5 cacs ce oe ss rid vl ote eee Sue
Bansara quart Z. GIOMLes no. sie iiwine aloe eee oa hares Gua
Diabaseeis oi cd eRe ae ir he 6 os ee Ree

Coatse.quartzose, sandstone...c5. os. sous ss eee
Beldspathictarkoses. 6... Sso.< sc sds oa oo ecin vse OR ee
Quarry sandStOnes osiss ace oak week Seo Sn eae Ske ER
Tufaceous sandstones and, breccias... . ....aisitsss. $2 Ne.
Skidegatetormation.. oo... Ostaicn as Gist nee Ss oes FRI
Sandstonerec gisassunasdce ss cue oo one es a I OR a ee

Quartz bearing ancdesiteiss.. fG5.2.2 oes ok ke ans Se
ANGE RIE Ce as sais Ss ok arg ok eee ee
ANGESILE POLO RYTILE Soa Gus o tie Gis ae ee a
PUCIES ANGE Caos i cecce sual es Sw ice DERG ne SS
Biotite: andesite porphyrite... oo. os cc ado oe ee ee
General petrology... a. sve ngs a woes ees
pera O Me eee AS So ass. Slacs: Sock hasahe CARRE IG Sg ere ERIS

Basalt y kes sso S eis wc oso Sas ee ORR Coe ies
BasalbHowse. Fctaciccs «otc cke wesc c si eioess hela ee Cs
Basalt porpuyinterc. yoo a coh areal cals S Ss i
Basalt anryedaloides ica es Re ee a RR
Quartz-basalt iso. ook as bc oe on a
Tachylyteriies oss a cece aS Holic hae SS Or
Basalt tuff
bezel rng S-Series A NaN NP Ar nw RN eT Gc pn eer ais Gc OA
Origin.of the: Tertiary igneous ‘rocks... 1 ek ee a...

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