WAMSUTTA GROUP. 141 



connection can not now be traced. A few bands of red slate occasion their 

 northern upper face 



jenks Park exposure in Pawtucket. — A knob of fine gritty conglomerate occurs 

 in the upper part of Pawtucket just west of the band of red slates belong- 

 ing to the Wamsutta series, and is, like them, evidently brought to the 

 surface by a fold. 



Other exposures of the conglomerate occur along the northern margin, 

 and at various points southward, in the area investigated by Dr. Foerste. 



THE WAMSUTTA GROUP. 1 • 



Devonian or Old Red Sandstone. Edw. Hitchcock: Final Report on the Geology of Massachusetts, 

 1841. Catalogue of Rocks in Agricultural Museum, Sixth Ann. Rept. Mass. Board of Agric, 1859, 

 Appendix, p. xxvii. Mass. House Doc. No. 39, 1853. 



Carboniferous. Logan and Hall : Geological Atlas, 1865. 



Devonian and undetermined. C. H. Hitchcock, 1871. 



Carboniferous. Crosby and Barton : Am. Jour. Sci., 3d series, Vol. XX, 1880, pp. 416-420. 



Cambrian. Shaler and Foerste, 1887. (At North Attleboro.) 



Carboniferous. J. B. Woodworth : Am. Jour. Sci., 3d series, Vol. XLVIII, 1894. (At Canton Junction.) 



The name Wamsutta series is applied in this report to the red strata a 

 part of which were mapped as Devonian by Edward Hitchcock. The name 

 is used in a geographical and lithological rather than a chronological sense, 

 for it is evident from an examination of the field that these red rocks are 

 local deposits in the northern part of the basin and in the Norfolk County 

 Basin, and are represented by ordinary gray and carbonaceous sediments 

 farther south. An exact correlation with these southern beds is not at 

 present possible. Along the northern margin the red series underlies the 

 Coal Measures. At Pawtucket it is interstratified with them. 



The list of references at the head of this section will give the reader 

 an idea of the various opinions held regarding the age of these beds. The 

 typical area in North Attleboro was definitely shown to be of Carboniferous 

 age in 1887 by Dr. Foerste's heretofore unpublished discovery of Carbonif- 

 erous fossils in the area southwest of Reservoir Pond in North Attleboro. 



1 Wamsutta, a name proposed, but not actually adopted, for North Attleboro. The " Wamsutta 

 Mills" are situated within this town. Wamsutta was the oldest son of Massasoit, chief sachem of 

 Pockanoket, brother and predecessor of King Philip. He was named Alexander Pockanoket by the 

 court at Plymouth, June 10, 1660. The term is used by Dr. Foerste in his thesis on this field, a manu- 

 script report now in the library of Harvard University. 



