TABLE VIII. CORRELATIONS IN THE ROCKY MOUNTAIN GEOSYNCLINAL. 



1 



Summit Series, Selkirk 

 Range, 49- N. Lat. 



2 



Pokobll Series, Purcell 

 Range, "49° N. Lat. 



3 

 CCKCR n'ALBNE 



Sbkiks (') 



. 4 



Series in Cabinet 

 Range (') 



5 



Series in Phtlipbbt/rg 

 District ( 2 ) 



6 



Serifs in Mission 

 Range (») 



7 



Galton Series, Galton 

 Ranok, 49° N. Lat. 



8 



Lewis Series, Clarke 



and Lewis Ranuks, 



49° N. Lat. 



9 



Series in Belt 

 Mountains ( 4 ) 



10 



Castle Modntain-Bow 

 River Series ( B ) 



11 



Series at Blacksmith 

 Fork, Utah ( b ) 



12 



System 



Conformity with upper Pa- 

 leozoic ? 



P3rosioii surface. 



Erosion surface. 



! 



Conformity with upper Pa- 

 leozoic. 



? 



Erosion surface. 



Enisiui, surface. 



Conformity with upper Pa- 

 leozoic. 



Conformity with upper Pa- 

 leozoic. 



Conformity with upper 

 Paleozoic. 























Sherbrookc. Liniest one; 



gray. 1,375 feet. 

 Paaet. Gray limestone. 



360+ feet. 

 Bosworth. Gray limestone 



and shale. 1,855 + feet. 



St. Charles. Limestone ; 

 with sandstone layers ; 

 gray. 1,227 feet. 



UPPER CAMBRIAN. 



Lone Star. Metargillite, 

 phyllite, and quartzite ; 

 dark tints of gray, green, 

 etc. 2,000 + feet. 



Moyie. Metargillite, shale, 

 and quartzite ; various 

 tints of (deep) gray, red, 

 green, etc.; shallow wa- 

 ter features. 3,400 + feet. 



Striped Peak. Shales and 

 sandstones, red and 

 green. 1,000 + feet. 



Striped Peak. Shales and 

 shaly sandstones, pre- 

 vailingly dark red : rip- 

 ple marks, etc. 2,000 + 

 feet. 



Meagher. Limestone, grit- 

 ty; gray colours. 400 feet. 



Wolseij. Shale, calcareoue 

 in upper part ; green to 

 black. 100-300 feet. 



Flathead. Quartzite ; white 

 to reddish. 50—300 feet. 



Flathead. Sand st one. 



Thickness '! 

 Camp Creek. Sandstones, 

 shales, and limestones. 

 11,700 (?) feet. 



Roosville. Metargi 1 1 i t e 

 and quartzite ; gray 

 and greenish. 01.10 + feet. 



Phillips. Metargilli t p 

 and quartzite ; red. 550 



date way, u pper part. 

 Metargillite with quart- 

 zite: gray when fresh, 

 gray and brown weath- 

 ered. 1,850 feet. 



Kintla. Argillite, qiiart- 

 zitic and dolomitic in 

 terbeds ; red. 820 feet. 



Sheppard, upper part. 

 Dolomite ; gray, wea- 

 thering buff. 500 feet. 



Gallatin. Limestone. 

 Flathead. Qua r t z i t i e 

 sandstone. 



Eldon. Limestone ; gray, 

 weathering buff and 

 gray. 2,728 feet. 



Stephen. Limestone and 

 shale ; gray. 640 feet. 



Cathedral. Dolomitic 

 limestone ; gray, weath- 

 ring buff and gray. 1,595 



Nounan. Gray limestone 



often sandy. 1,041 feet. 

 Blmiminoton. Gray anc 



greenish limestone anc 



shale. 1,320 feet. 

 Blacksmith. Gray lime 



Btone. 570 feet. 

 Ute. Gray limestone with 



shaly layers. 729 feet. 

 Spmee. Greenish Bhale 



30 feet. 

 Langston. Gray lime 



stone. 498 feet. 

 Brigham. Gray and green 



ish quartzite, weather 



ing brown ; upper part 



CHIEFLY MIDDLE 

 CAMBRIAN. 



Beehive. Quartzite and uie- 

 targillite ; gray and pale 

 greenish, weathering 

 brown of different tints. 

 7,000 feet. 



Kitchener, upper part. 

 Quartzite and metargil- 

 lite ; greenish and gray, 

 weathering to browns. 

 6,000+ feet. 



Wallace. Shales, more or 

 less calcareous, with 

 thin limestone inter- 

 beds. Limestones and 

 calcareous shales wea- 

 ther buff. 4,000 feet. 



St. Regis. Shales and 

 sandstones, purple and 

 green. 1,000 feet. 



Blackfoot (called Newland 

 by Calkins). Lime- 

 stones, thin-bedded, si- 

 licious and ferruginous, 

 interbedded with more 

 or less calcareous shale. 

 5,000+ feet. 



Camp Creek. Red shale, 

 etc. 0—5,000 feet. 



Blar.kfoot. Calcareous ar- 

 gillites and impure lime- 

 stones ; dark gray to 

 greenish gray when fresh, 

 weathering buff and (lime- 

 stones) gray. 4,000 feet. 



Blackfoot. Thin-bedded li- 

 mestone with layers of 

 metargillite ; buff wea- 

 thering. 4,805 feet. 



Gateway, lower part. 

 Quartzite, dolomite, 

 and sandstone ; various 

 colours. 125 feet. 



Siyeh. Dolomitic lime- 

 stoue with much metar- 

 gillite ; gray and green- 

 ish, weathering buff. 

 4,000 feet. 



Shcppard, lower part. 

 Buff -weathering d o 1 o - 

 raite and reddish sand- 

 stone. 100 feet. 



Siyeh. Dolomitic lime- 

 stone with metargillite 

 interbeds ; colours as in 

 Galton series. 4,100 

 feet. 



Marsh. Red shale. 800 feet. 



Helena,. Limestone with 

 some shale ; gray, wea- 

 thering buff. 2,400 feet. 



Empire. Argillite; green- 

 ish gray. 600 feet. 



MIDDLE CAM- 

 BRIAN. 



Ripple. Quartzite ; white, 

 pale pink and yellow ; 

 very massive. 1,650 feet. 



Deivdney. Quartzite, with 

 interbedB of conglomerate 

 and metargillite : weat- 

 hering gray and pale 

 brown. 2,000 feet. 



Wolf, upper part. Grit, 

 sandstone, and fine con- 

 glomerate ; gray, fresh 

 and weathered. 1,000+ 

 feet. 



Kitchener, lower part. 

 Quartzite, relatively 

 massive ; gray, green, 

 and white, weathering 

 light brown. l,400±feet. 



Creston, upp e r part. 

 Quartzite, in thick and 

 thin beds ; gray and 

 greenish, weath e r i n g 

 gray. 3,000+feet. 



Revett. Quartzite ; white, 



Burke. Silicious metar- 

 gillite, with quartzite, 

 prevailingly g r ay - 

 green 2,000 feet. 



Pi-tfhard, upper part. 

 Metargillite and quart- 

 zitic sandstones, with 

 shallow water features 

 gray to black. 1,500+ 



Ravalli, upper part, 

 i Juartzites and metargil- 

 lites ; gray, greenish, 

 white, and purplish. 

 5, 000 + feet. 



Rtvi/li, lower part ; litho- 

 logy as above. 3,000+ 

 feet. 



Ravalli. Quartzite parsing 

 (upwards) into purplish 

 and greenish gray argilli- 

 te. 2,000 feet. 



Prichard, upper part. 

 Metargillites, quartzites, 

 and sandstones ; dark 

 bluish, weathering brown. 

 2,000+ feet. 



Ravalli, upper part. Quart- 

 zite ; grayish purple and 

 gray. 4,550 feet. 



Wigwam. Sandstones anc 

 metargillites ; red colors 

 dominant. 1,200 feet. 



MacDonald. Chiefly 

 metargillite ; gray anc 

 greenish, weathering 

 gray and brown. 2.35C 

 feet. 



Hefty. Sandstones, with 

 some shaly beds, some- 

 times calcareous ; rec 

 and reddish gray. 775 



Grinntll. Metargi 1 1 i t e 

 and sandstones, gene 

 rally red. 1,600 feet. 



Appckunny. Meta rgi 1 

 lite ; gray or greenisl 

 gray, weathering gra\ 

 or brownish. 2,600 feet 



Spokane. Argillite ; deep 



red. 1,500 feet. 

 Greyson. Argill ite anc 



quartzite; gray. 2,000 + 



Mount Whyte. Gray lime- 

 atone and shale. 3'JO feet. 

 St. Piran. Greenish anc 

 grav sandstone. 2,7U5 feet 

 Lake Louise. Shale 

 gray. 105 feet. 

 Fairview. Gray quartzite 

 weathering brownish 

 600+ feet. 



BHqham. Lower part 

 Total thickness, 1,23 



LOWER CAMBRIAN. 



Wolf, lower part. Grit, con- 

 glomerate, and sandstDne ; 

 gray. 1,900+feet, 



Monk. Quartzite, metar- 

 gillite and conglomerate 

 gray tones. 5,500 feet. 



Irene Volcanic formation 

 6, 000+ feet. 



Irene Conglomerate. 5,000 f 

 feet. 



Total— 32, 050 + feet. 



Creston, lower part. 



Quartzite, withinterbeds 

 uf metargillite; gray co- 

 lours. 6,500+feet. 



Total— 20,300+feet 



Prichard, lowerpart. Me 

 targillir.' and quartzite 

 gray to black. 6,500 + 



Base concealed. 



Total— 17,200 + feet. 



Prichard. Metargillite ; 

 dark bluish, banded. 

 2,000 feet. Sandstones , 

 thick-bedded to shaly , 

 gray. 10, 000 ± feet. 



Base concealed. 



Total— 27,000 + feet. 



Prichard, lower part. Des- 

 cription same as that ol 

 upper part. 3,000+feet. 



Neihart. Quartzite; light 

 coloured. 1,000+ feet.; 



Base concealed. 

 Total— 12, 550-18,000 feet 



Ravalli, lower part. Quart- 

 zite ; greenish gray. 



4,000 + feet. 



Base concealed. 



Total— 25,055 feet. 



Allan. Silicious dolomite, 



thin-bedded ; gray anc 

 greenish -gray, weather 

 ing buff. 650 feet. 



Base concealed. 



Total— 12,100 feet. 



Altyn. Silicious, often 

 sandy dolomites ; ligh 

 gray, weathering buff 

 3, 500 + feet. 



Waterton. Dolomite 

 gray. 200 + feet. 



Base concealed. 



Total— 13,420 feet. 



Greyson, lower part. Argil 



Hte; gray. 1,000+ feet. 

 Ncwland. Silicious lime 



stone ; gray, weathering 



buff. 2,200 feet. 

 Chamberlain. Argillite 



dark gray to black. 1,50( 



feet. 

 Neihart. Gray and green 



ish quartzite. 700 feet. 



Total— 14, 000 ± feet. 



Continuation of Bow Ri 



Base concealed. 



Total— 12, 353+ feet. 



Base concealed. 



Total— 6,647 + feet. 



BELTIAN . 



Unconformity. 











Unconformity. 



Priest River Terrane. 



I 











Cherry Creek Beds. 







| 





Unconformity. 



1 ■ 1 1 



"Archean ". 



{?) C. V. Walo.tt, Bull. Cieol. Sue. America, Vol, 17, Will), p. 2. 



(*) O. D. Walcott, Bull. Geol. Soc. America, Vol. 10, 1800, p. 201, and references therein, to Peale and Weed. 



178a 



( 5 ) O, D. Walcott, Smithsonian Misc. Collections, Vol. 53, No. 1812, 1908. 



