NONQUIT POND TO WINDMILL HILL. 275 



The hill east and north of Pachet Brook also shows abundant granite 

 exposures along- the southern and eastern sides of the elevation. On the 

 southeastern side it includes, in several places, large fragments of rock, 

 having in some places the structure of a biotitic fine-grained schist 

 of blackish color, in others that of a very fine-grained whitish rock, 

 mottled, when broken across the schistosity, with blackish specks caused 

 by biotite flakes. These included schist masses are distributed along a 

 line N. 30° E. in an irregular manner. They present the same strike in 

 their schistosity, and dip about 60° to 70° E. It would seem, therefore, 

 that they once formed a connected series in this region. It would be 

 interesting to learn whether these schists bear any close relation to the 

 Little Compton shales farther south, but they probably preceded them. 

 The granite near these schists is often porphyrinic with large phenocrysts 

 of feldspar. This is also true of the nearest exposure of granite east of the 

 north branch of the brook. Farther eastward the granite is of the ordinary 

 type. Southward, west of the south branch of the brook, at various points 

 near the road, a whitish granite is exposed. Farther westward there is no 

 exposure of any kind for almost half a mile, until the Little Compton 

 shale outcrops are reached. The line of western outcrop of the granite 

 must therefore pass somewhere between these regions in a southeasterly 

 direction. It probably extends west of the road leading north from Little 

 Compton; 1 J miles south of Little Compton post-office it is known to turn 

 toward the southwest, reaching Sakonnet River, south of Churchs Cove, 

 about a mile north of the breakwater. The granites from here south to the 

 point are often coarsely porphyrinic. 



SANDSTONE SERIES BETWEEN WIND5ULL HILE AND THE COVE 

 NORTH OF BROWNS POINT. 



South of the mouth of the outlet of Nonquit Pond coaly shales are 

 exposed along the shore, bordering the same for about 700 feet, Then 

 sandstone occurs on the west of the shales, showing fine cross bedding, made 

 distinct by thin layers containing more carbonaceous material. The general 

 strike is parallel to the shore, or N. 20° E., dip 45° to 65° W. Farther south 

 an inward bend of the shore exposes the coaly shale again. These shales 

 contain indistinct leaf impressions of unknown affinities, and traces of ferns 

 can still be found. Farther south there is more sandstone, but here east of 



