Life of Sir William E Logan Kt Ll D F R S F G S C First Direct
Life of Sir William E Logan Kt Ll D F R S F G S C First Direct
Bernard J Bernard James Harrington
The book Life of Sir William E Logan Kt Ll D F R S F G S C First Direct was written by author Bernard J Bernard James Harrington Here you can read free online of Life of Sir William E Logan Kt Ll D F R S F G S C First Direct book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Life of Sir William E Logan Kt Ll D F R S F G S C First Direct a good or bad book?
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"f From the foregoing statements with regard to Lake Superior geology, it may be thought by some that the natural confusion of the rocks has been " worse con- founded" by the "many men of many minds" who have held such diverse opinions and given us so many names to learn. It is to be hoped, however, that the * Trans. Am. Inst. Of Mining Engineers, I. , 339. Also, Azoic Eocks, pp. 231, 240. t Azoic Rocks, p. 241. Many of the facts given above concerning the geology of Lake Superior are from this... valuable work, to which the reader is referred for fuller information. GEOLOGY OF LAKE SUPERIOR. 253 matter will be simplified by the following table of the series of rocks recognized on the north shore of the lake : I. Laurentian. II. Huronian or Lower Copper-bearing series. III. Volcanic or Upper Copper-bearing series of Logan, termed Nipigon series by Bell ; older than the sandstones of Sault St. Marie, according to Logan ; Mesozoic of some geologists ; partly pre- Cambrian and partly post-Cambrian, according to Hunt ; divided by Logan into a lower and an upper group, the relations of which to Hunt's groups arc as follows : Logan.
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