Word: cambrian
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...importance, which is here cut by younger masses of angite and elaeolite syenite. These rocks are traversed by a series of gabbro dikes and by a still younger series of tinguaites which cut all the older formations. Thence proceeding to Marblehead Neck, granite will be seen intrusive through the Cambrian rocks, the keratophyre sheet overlaying the old rhyolites, and finally the more recent quartz porphyry dikes...
Exucursion 4.- Saturday, Oct. 26. Mr. J. B. Woodworth. The Cambrian and Carboniferous rocks of Attleboro, Mass...
...following features will be shown: The Plainville fault, the Goat Rock monoclonal fault-block, the North Attleboro faulted diabase dikes, the sediments of the Wamsutta Group, the Attleboro syncline and the Perrins anticline. Cambrian and Carboniferous fossils may be collected at Hopin Hill and Perrins, respectively...
Excursion 4.- Saturday, Oct. 26. Mr. J. B. Woodworth. The Cambrian and Carboniferous rocks of Attleboro, Mass...
Excursion 4.- Saturday, Oct. 26. Mr. J. B. Woodworth. The Cambrian and Carboniferous rocks of Attleboro, Mass...