CONTENTS. VII 



Part II — Continued. 



Chapter V.— The Carboniferous strata— Continued. 

 Formations below the Coal Measures — Continued. 



Pondville group— Continued. Page- 



Suprabasal conglomerates 140 



Millers River conglomerate 1-10 



South Attleboro exposure 140 



Jenks Park exposure in Pawtucket 1-11 



Wamsutta group 



141 



Red rock areas '" 



Area along the northern border 143 



Gray sandstones of the northern border 144 



North Attleboro area 145 



Conglomerates 146 



Sandstones 147 



Shales 147 



Central Falls area I* 7 



Pawtucket area 148 



Red beds in Attleboro, Rehoboth, and Norton 148 



Norfolk County area 148 



South Attleboro limestone bed 149 



Attleboro sandstone 1°1 



Igneous associates of the Wamsutta group 152 



Diabase "•* 



Quartz-porphyry group 1°- 



Diamond Hill quartz mass 15o 



Wamsutta volcanoes 155 



Folding of the Wamsutta group 156 



Flora of the Wamsutta group 158 



Coal Measures _ 



Cranston beds *° 9 



Providence area ■*■"" 



Pawtucket shales 16 J 



Sockanosset sandstones 163 



East Side area in Providence 163 



Tenmile River beds. 



Lebanon Mills exposure 



164 

 164 



East Providence area 164 



Leonards Corner quarries 16° 



Section from Watchemocket Cove to Riverside 163 



Halsey Farm section at Silver Spring 166 



Exposures in Seekonk 



Hunts Mills section 169 



Perrins anticline _ 



Bored well near Lebanon Mills 170 



Seekonk beds 



Seekonk conglomerate _ 



Beds north of the Tenmile River in Attleboro I 75 



Contact of red and gray beds, with local unconformity 176 



Red shales 17 _ 7 



Raindrop imprints 17 ° 



Attleboro sy ncline 



180 



Fossils 



Coal |82 



Blake Hill thrust plane 183 



184 

 Dighton conglomerate group 



