 Laurentian rocks have been described in general terms as gneiss, interstratified with important masses of crystalline limestone. The term gneiss, strictly defined, signifies a granite with its elements, quartz, feldspar and mica, arranged in parallel...  Report of the Commissioners [and Appendices A to S] - Էջ 11Ontario. Agricultural Commission, 1880 - 1881Ամբողջությամբ դիտվող - Այս գրքի մասին
 | Geological Survey of Canada - 1857 - 520 էջ
...in parallel planes, and containing a larger amount of mica than ordinary granite possesses, giving1 to the rock a schistose or lamellar structure. When...specific single name for a rock containing these elements in a lamellar arrangement, it receives the appellation of syenitic gneiss. Gneiss rock then becomes... | |
 | Geological Survey of Canada - 1857 - 520 էջ
...in parallel planes, and containing a larger amount of mica than ordinary granite possesses, giving D to the rock a schistose or lamellar structure. When...mica is associated with quartz and feldspar, the rock IB termed syenite, but as there is no distinct specific single name for a rock containing these elements... | |
 | 1858 - 518 էջ
...of the survey, the Laurentian rocks have been described in general terms as gneiss, intcrstratified with important masses of crystalline limestone. The...specific single name for a rock containing these elements in a lamellar arrangement, it receives the appellation of syenitic gneiss. Gneiss rock then becomes... | |
 | 1858 - 608 էջ
...described in general terms as gneiss, interstratified with important masses of crystalline limeetone. The term gneiss, strictly defined, signifies a granite...specific single name for a rock containing these elements in a lamellar arrangement, it receives the appellation of syenitic gneiss. Gneiss rock then becomes... | |
 | 1858 - 522 էջ
...and mica, arranged in parallel planes, and containing a larger amount of mica than ordinary grauite possesses, giving to the rock a schistose or lamellar...specific single name for a rock containing these elements in a lamellar arrangement, it receives the appellation of syenitic gneiss. Gneiss rock then becomes... | |
 | 1858 - 518 էջ
...than ordinary granite possesses, giving to the rock a schistose or lamellar structure. When hornblendn instead of mica is associated with quartz and feldspar,...specific single name for a rock containing these elements in a lamellar arrangement, it receives the appellation of syenitic gueiss. Gneiss rock then becomes... | |
 | 1858 - 618 էջ
...granite possesses, giving to the rock a schistose or lamellar structure. When hornblende instead of mien is associated with quartz and feldspar, the rock is...specific single name for a rock containing these elements in a lamellar arrangement, it receives the appellation of eyenitic gneiss. Gneiss rock then becomes... | |
 | 1862 - 510 էջ
...the following remarks of Sir William Logan : — " In the Reports of the Survey, the Laurentian rocka have been described in general terms, as gneiss, interstratified...specific single name for a rock containing these elements in a lamellar arrangement, it receives the appellation of syenitic gneiss. Gneiss rock then becomes... | |
 | A. Kirkwood, J. J. Murphy - 1878 - 300 էջ
...a larger amount of mica than ordinary granite possesses, giving to the rock a sclintose or lanullar structure. When hornblende, instead of mica, is associated...specific single name for a rock containing these elements in a lanullar arrangement, it receives the appellation of syenitic gneiss. Gneiss rock then becomes... | |
 | Ontario. Department of Mines, Ontario. Bureau of Mines - 1896 - 740 էջ
...absence of fossils to characterize it1-: different members."1 Again, on pp. 49-50, it is stated : " In the reports of the Survey the Laurentian rocks...feldspar, the rock is termed syenite, but as there is no specific single name for a rock containing these elements in a lamellar arrangement, it receives the... | |
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