. Annual report . mountain is much more ruggedthan is that to the east. ROCKS OF THE AREA The rocks have been divided according to the following scheme of classification: Glacial and Post Glacial Boulder clay, sand, gravel, clay. Great Unconformity Pre=CambnanKeweenawan Nipissing diabase and gabbro. Igneous Contact Cobalt Series Arkose, quartzite, conglomerate, greywacke and greywacke slate. Great Unconformity Laurentian Granite, syenite and gneiss. These rocks are older than the Cobalt series, buttheir relation to the Temiskaming series is not known. Igneous Contact Keewatin Altered greenston
. Annual report . mountain is much more ruggedthan is that to the east. ROCKS OF THE AREA The rocks have been divided according to the following scheme of classification: Glacial and Post Glacial Boulder clay, sand, gravel, clay. Great Unconformity Pre=CambnanKeweenawan Nipissing diabase and gabbro. Igneous Contact Cobalt Series Arkose, quartzite, conglomerate, greywacke and greywacke slate. Great Unconformity Laurentian Granite, syenite and gneiss. These rocks are older than the Cobalt series, buttheir relation to the Temiskaming series is not known. Igneous Contact Keewatin Altered greenstones. Keewatin. The only areas of Keewatin greenstone met with were In the townshipof Tudhope. On lot seven, concession three, the rock is in places a rather coarseamphibolite, consisting almost wholly of green hornblende, occurring for the mostpart in grains about one-eighth of an inch in diameter, and also in fibrous masses. ?Report of Canadian Geological Survey. 1897, pp. 22 T. 2fiS T. 156 Bureau of Mines No. 4. /
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectminesandmineralresou
