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Distribution N er: 95 
Generalgappearancer®.. ав: о Sum an es eer. 96 
Gontaetsrelatlonser. ee ee REN eae ee 97 
Mazuetitez2pyLoxeniterg rer ee er 97 
Dykesweuttingsthezessexitenn EE PERLE 97 
The nordmarkite and the rocks of Kakarsuak................. 98 
Thewnordmarkiterr er Re EO PRE 98 
Occurrence otfluorite at Panernak 2 2. we en 100 
Dykespcuttinesthe nordmarkitesse 2-2) ee 101 
inhesnocksmoleKakanrsuak ass A oa ces ole eee oe eet 101 
SOWMWMN CORSE Olt SIEH iby Soyo oleae ее 102 
General оао ee 102 
Junction of the nordmarkite and sandstone................... 103 
Total thicknesses of the red sandstone and of the volcanic series 103 
Chapter IV. — Petrography of the Ilimausak Region. 
OL OO CLONE PET EE coe acre Gia caer eee ee men ce В 106 
ВЕ ROG ФЕВ ОЕ .coscessodeucoascebngooenoucuse 107 
О ts ict Die Rene Е ee И has 108 
Arivedsonite-eranite ofellimausak= were eee eee 109 
Macroscopiceappealan се 109 
SET reece ceases Ge ah Le ts Ree ue 113 
Chemicalfcompositionges eee eee eee eee eee ae 113 
Anivedsonite-cranites ol Nar а 115 
Soda-enanitesoislviangusat seer eee eee ee ees 116 
Microscopichcharacters a oe renee en ree 117 
Chemicalecompositionyen. seater ee eee ee 118 
Transition-rock between arfvedsonite-granite and pulaskite; the 
QUALEZ=Syenites ae ener DC 119 
OI VS ECTS ea tied ee N Rte 120 
Microscopicucharactens= ee tree eee 120 
Ghemicalzanalysis#y se 1 es aoe eee ee 123 
Nephielmne-sivie Mites)... ty ones sure ae Pen eae ede Loc 124 
О EDER ie aS EN. 126 
Mactoscopichappealance eer tenets в 127 
Michoscopicucharactersemem seer A CR ice ae 127 
Sequencepotecrystallizationnee ie eee ee ee 129 
Chenticalecompositionie ss.) eee. oe ans tie. 131 
зоба Ге Гоа ео 133 
ее ее д 133 
Macroscopic) appearancent. аа. 133 
косо сваях. 134 
SequencemOtacyystallizatlonween ee re но 140 
Chemigalkcomposition ee en ee 142 
NET ee ee ee ER... 143 
Occurrences ares RE oe orl eee 143 
