. Ontario Sessional Papers, 1914, Scene on Blanche river, iVlcIilro\ Scene on Kirkland lake. Bureau of Mines No. 4 Geology The rocks of the area may be classified as follows:Glacial and Recent stratified clay, sand, gravel and other material Pre=Cambrian LATER DIKES Diabase (Inti usive contact) COBALT SERIES Conglomerate {,Ut)co7ifonnity) 1 Granite, syenite, INTRUSIVES - {Intrusive contact) (^ Lamprophyre.{Intrusive contact) TIMISKAMINQ SERIES Quartzite, greywacke, conglomerate, with schistose derivatives.{TJnconformity) KEEVVATIN Greenston

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. Ontario Sessional Papers, 1914, Scene on Blanche river, iVlcIilro\ Scene on Kirkland lake. Bureau of Mines No. 4 Geology The rocks of the area may be classified as follows:Glacial and Recent stratified clay, sand, gravel and other material Pre=Cambrian LATER DIKES Diabase (Inti usive contact) COBALT SERIES Conglomerate {,Ut)co7ifonnity) 1 Granite, syenite, INTRUSIVES - {Intrusive contact) (^ Lamprophyre.{Intrusive contact) TIMISKAMINQ SERIES Quartzite, greywacke, conglomerate, with schistose derivatives.{TJnconformity) KEEVVATIN Greenstone (basalt, andesite, etc.), diabase, quartz- porphyry, feldspar-porphyry, iron formation,dolomite. In the following notes are given descriptions of the various groups of rocks: KEEVVATIN Of the rocks of the area those of the Keewatin system have the widest distribu-tion, and they are usually of the greenstone type, either massive or schistose. Wheremassive they are of a pale greenish color on the weathered surface and, especiallywhen accompanied by the ellipsoidal or amygdaloidal st

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