COZ^^TEXTfcJ. YII 



Part II— CoBtinned. 



Chapter Y.— The Carboniferous strata— Continnt'cl. 

 Formations below the Coal Measures— Continued. 



Pondyille group— Continued. Page 



Suprabasal conglomerates 140 



Millers River conglomerate liO 



Routh Attleboro exposure 140 



Jenks Park exposure in Pawtucket... 141 



Wamsutta group m 



Red rock areas 142 



Area along tlie northern border 143 



Gray sandstones of the northern border , 144 



North Attleboro area 145 



Conglomerates 146 



Sandstones 147 



Shales , 147 



Central Falls area , 147 



Pawtucket area 148 



Red beds in Attleboro, Rehoboth, and Norton 148 



Korfolk County area - - , 148 



South Attleboro limestone bed 149 



Attleboro sandstone * 151 



Igneous associates of the AVamsutta group 152 



Diabase , 152 



Quartz-porphyry group 152 



Diamond Hill quartz mass ,. 155 



Wamsutta volcanoes - 155 



Folding of the "Wamsutta group 156 



Flora of the Wamsutta group - 158 



Coal Measures - --. — 159 



Cranston beds.... 159 



Providence area .- - --. 159 



Pawtucket shales - - 162 



Sockanosset sandstones 163 



East Side area in Providence 163 



Tenmile River beds - - 164 



Lebanon Mills exposure -.- - 164 



East Providence area 164 



Leonards Corner quarries - 165 



Section from Watohemocket Cove to Riverside 165 



Halsey Farm section at Silver Spring .- 166 



Exposures in Seekonk .- - 168 



Hunts Mills section - 169 



Perrins anticline - 169 



Bored well near Lebanon Mills - -.- - 170 



Seekonk beds ---- • - - 173 



Seekonk conglomerate - .- - - 174 



Beds north of the Tenmile River in Attleboro , 175 



Contact of red and gray beds, with local unconformity 176 



Red shales - - -.-- 177 



Raindrop imprints -- - 178 



Attleboro syncline - - 179 



Blake Hill fault block- - - .---. 180 



Fossils ., •--. - • 181 



Coal - • - 182 



Blake Hill thrust plane - 183 



Dighton conglomerate group ..-.-... • 184 



