Annual report . heretofore been classed as Lower Huronian. Further reference is made tothe Animikean in the notes on localities. The Algoman.— (Al-g5-man). This name, introduced by A. C. Lawson (Int. , 1913), appears to the authors- to be a good one. Their investigations in south-eastern Ontario, as well as at Cobalt and surrounding region, have proved that graniteand gneiss of post-Temiskaming and pre-Animikie age are of wide extent. Ten yearsago the authors gave to granite of this age in the Cobalt area the name Lorrain granite,and later they gave to a granite of similar age in
Annual report . heretofore been classed as Lower Huronian. Further reference is made tothe Animikean in the notes on localities. The Algoman.— (Al-g5-man). This name, introduced by A. C. Lawson (Int. , 1913), appears to the authors- to be a good one. Their investigations in south-eastern Ontario, as well as at Cobalt and surrounding region, have proved that graniteand gneiss of post-Temiskaming and pre-Animikie age are of wide extent. Ten yearsago the authors gave to granite of this age in the Cobalt area the name Lorrain granite,and later they gave to a granite of similar age in southeastern Ontario the name the north shore of Lake Huron granite of similar age has been called now being preferred, although not having priority, Lorrain, Moira and Kil-larney may be discarded or used locally. In the descriptions of many areas Algomangranite and gneiss have in the past been classed as Laurentian, age relations not beingdefinitely known. 126 Bureau of Mines No. 4. Fijr. 61—Index Map showing Localities nam:d in Taile o? Correlation of the Pre-Cambrian Rocksof Ontario, Western Quebec and Southeastern .Manitoba. Table Showing Correlation of the Pre-Cambrian Rocks of Ontario, Western Quebec Compiled by W1LLET G. MILLER and CYRIL W, KNIGHT. To Accompany Part II of the 22nd Report of the Ontario Bureau of Mines, 19 Localities, Names and Characters of Rocks KEWEENAWAN Upper Copper-bearing Rocks of LakeSuperior, Upper Group (Geol. Can.,1863). Nipigon, Kaministiqua (obsolete names). Keweenawan (name at present in use inCanada and United States). Degree of Metaniorphisui, &c. The Keweenawan igneousrooks are massive. Thesediments are little alteredand rest in almost horizon-tal positions. TEMAUAM! GO WO AN DA KIRKLAND ANDLARDER LaKESAND SWASTIKA PORCUPINE AB1TIBI LAKE WESTERN QUEBEC M1CHIPICOTE- Unconformity ANIMIKEAN Upper Copper-bearing Rocks of Lake Superior, Lower Group (Geol. Can., 1863).Includes Middle and part of Lower Huronian of
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