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Chemicaleeomposition.....2.2... 38 Je An. Amen EGE FEER: UT 
HIMAUSAREPOLDANENER ESA TE EEE A PER ERP EE ECS CESSE 217 
Micnoscopiegcharactenseren u. PO EN PERRET CC ert 218 
ChemicalNCOMPOSITIONEA EE sur... 202 PANNES CR 29 
Quarts-porphyny (соплепаНе)...... ERE EN ERE SEER kenn. 221 
Microscopiemcharacters. ger. ee per 221 
PiChemicalacompositiony 5 Боос 744-0) CE SAR: 225 
Chapter V. Descriptive Geology and Petrography of the Igaliko Region. 
ОО ВСЕЙ ооо M ово оон ho han. Sc. 226 
ПОЛИТЬ bart broer 5 SR ee PA ET RE ARE LS ee 229 
Nepheline-syenite of Igaliko batholite......................... 230 
MOV ре EMMA her octet can Clan Story Or 231 
MacroscepicnappeatallCe meen = еее 231 
Microscopicechanactens ip = rae ere er 1586231 
Ghemicalkcomp oSiti on eee EPE DER: 234 
GT OR IEEE OPEN MET IEL) ee: 236 
Dykes) cutting) nepheline-syenite . .......... 0... 231 
Augite-syenitenomlealikosbatholiter ur Er PP EURE PER 238 
Occurrence nes р. 238 
Petrographyse oe see eee CT 239 
Macroscopienap pe ata Ce are ORE rege 239 
Microscopie; characters ome ea ee - 240 
Ghemicalicompositionwasem euer 242 
Borden faciessof augite-syenitepmesss aor ee rae 244 
Occurrence of rare minerals on Narsarsuk.............. 244 
Dykeszenuttinezaugite-syenitegewsnı ое 250 
Contact relations of Isaliko, batholitere ware eee ess] ae ine 251 
Mt-Aleanekt. 28 А pate cee hace LENE Soe PAD 
NATSAFS DRE RE PE c ek N eee «= 255 
Contact metamorphism of surrounding rocks............ 285 
Basiement Granite and Sandstone Areası. "PRET 258 
GharaetersandedistribufonLofgrocksse meer 259 
Basements rocks ..... By hte RR Er ER WAM ARAL OPE IL 259 
Fealikorsandstoneseer 2 2.2 N ee ee aan seein eee SAS = 260 
LAS RS ace. ceed Seco oA PENSER о pepe ne! 263 
DV KeSiy a ae N ee En ten tk Saye 265 
Generaläfeaturesa u ес eet eat 1208 
ROCKSHCOMpPOSINE tN Во-во RP EP TE 266 
Ао OVKESE В. 270 
Petrography of nepheline-porphyries and related dyke-rocks.... 271 
Nepheline-porphyry: Fox Вау type ine. oes nee eee 272 
Mineralozicalacharactersmamer sce c. = cso i er 21e 
Овен соо О we nen ee 274 
Nephellne-porphyry: Nukiype_ 21.2... ll i Ae eee 274 
Gentrall partvote dykes те 274 
