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The geology of New HampshireA report comprising the results of explorations ordered by the legislature . o the Exeter sienite range on the north-west,and has not yet been separated from the previous group. The occur-rence in it of large beds of soapstone, as at Groton, Mass., is suggestiveof the Huronian age. It abounds in beds of coarse indigenous granite,which seem to have been altered in situ from feldspathic certain parts of Strafford county these granite beds predominate,forming numerous hills, while the slate occupies the valleys between. The schists south-east of the Ex
The geology of New HampshireA report comprising the results of explorations ordered by the legislature . o the Exeter sienite range on the north-west,and has not yet been separated from the previous group. The occur-rence in it of large beds of soapstone, as at Groton, Mass., is suggestiveof the Huronian age. It abounds in beds of coarse indigenous granite,which seem to have been altered in situ from feldspathic certain parts of Strafford county these granite beds predominate,forming numerous hills, while the slate occupies the valleys between. The schists south-east of the Exeter sienite range may belong to thesame Merrimack era; but they are traversed by several narrow bands ofclay slate. Possessing a north-west strike, these slates are thought tobe the equivalents of the Paradoxides beds of Massachusetts. It is obvi-ous that the physical aspect of the country must have been very differentfrom what it was in the Merrimack period. The Merrimack schists musthave been elevated, then they were cut across by streams flowing south- IE¥ lilFSllES ti^t. W AITBR THE to IM I ^/. No. 5. ,/-*^.|*/ -yn - i«lijNBA? HuToniau Period. ~\ > /A \^ ~~i5nfe</G// J-iji L I I Additions during the Bockingham ^v^^rbv^ff J y\._ JLja ir^_J and Merrimack Periods. < -f^ Sf^^-^/xt^^^nS , CIKt^* c W ?- i \ - Vai Vtem- » , I iBi;fe ,;Boi(- ? Additions during the C^^Mlod, \\^< ^\ ^^™ ?\.^^] r Roi-\ i Stiirlt <*;T~t to-n
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