REPORT OF TEE CHIEF ASTRONOMER 



695 



SESSIONAL PAPER No. 25a 



Index to Table. 



Absarokite 85 



Akerite 11 



Alaskite 78 



Alnoite 98 



Amphibole andesite 36 



Andesite (all) 33 



Anorthosite 50 



Augite andesite 34 



Augitite 62 



Banakite 83 



Basalt (all) 40 



Basalt as named by authors 41 



Basalt of Hawaiian Islands 82 



Basanite (all) 66 



Bostonite 89 



Camptonite 96 



Dacite 29 



Diabase 42 



Diorite, including quartz diorite 31 



Diorite, excluding quartz diorite 32 



Diorite of Electric Peak 79 



Dolerite 45 



Dun te 55 



Eleolite syenite 24 



Essexite 59 



Fergusite 71 



Foyaite 21 



Gabbro (all) 39 



Gabbro, excluding olivine gabbro 46 



Granite of all periods 4 



Granite younger than the Pre-Cambrian . . 3 

 Granites (Pre-Cambrian, including 16 analy- 

 ses of Swedish types) 1 



Granites (Pre-Cambrian, of Sweden) 2 



Granite-aplite 88 



Granodiorite 28 



Grorudite 90 



Harzburgite 54 



Hornblende andesite 36 



Hypersthene andesite 35 



Ijolite 75 



Keratophyre 15 



Kersantite 94 



Latite 20 



Laurdalite 23 



Laurvikite 17 



Leucite absarokite 86 



Leuc te basalt 73 



Leucite basanite 70 



Leucite phonolite 26 



Leucite tephrite 68 



Leucitite 74 



Leucitophyre 27 



Lherzolite 51 



Limburgite 61 



Liparite (all) 5 



Liparite, as named by authors 6 



Malignite 80 



Melaphyre 44 



Meiilite basalt 87 



Mica andesite 37 



Minette 93 



Missourite 72 



Monchiquite 97 



Monzonite 19 



Nephelite basalt 77 



Nephelite basanite 69 



Nephelite syenite 24 



Nephelite tephrite 67 



Nephelinite 76 



Nordmarkite 9 



Norite (all) 38 



Norite, excluding olivine norite 48 



Olivine diabase 43 



Olivine gabbro 47 



Olivine norite 49 



Peridotite (all) 57 



Phonolite 25 



Picrite 58 



Pulaskite 10 



Pyroxenite 56 



Quartz diorite 30 



Quartz keratophyre ~ 16 



Quartz porphyry 8 



Rhomb-porphyry 18 



Rhyolite, as named by authors 7 



Rhyolite of Yellowstone Park 81 



Saxonite 54 



Shonkinite 64 



Shoshonite ; 84 



Solvsbergite 91 



Syenite (all) 13 



Syenite (alkaline) 12 



Tephrite (all) 65 



Theralite 63 



Tinguaite.. 92 



Trachydolerite 60 



Trachyte 14 



Urtite 22 



Vogesite 95 



Websterite 52 



Wehrlite 53 



