1883.] 183 [Dale 



The following is a brief resume of the writer's notes taken in 

 passing from the east end of Easton's Beach along the shore, 

 around the Point to Sachuest Beach (see Map I. 1 ). At Easton's 

 Beach conglomerate of quartzite in the pebbles of which faint 

 traces of shells, possibly Lingulae, 2 longer axis of pebbles about 

 N.NE. 3 ; quartz veins generally W.N W. but also N.NW.; glacial 

 grooves N.— S. nearly. Before pt. 24 dip 10°-15° W.NW., at 

 pt. 24 almost vertical, strike N. 30 E. The conglomerate becomes 

 more and more interstratified with argillaceous schist until near 

 Half Tide Rock the underlying schist predominates, and a little 

 beyond the conglomerate ceases entirely. At Half Tide Rock 

 dip 70° W.NW, strike N.NE. The dip diminishes to 50°, and 

 at pt. 25 to 15°, still W.NW. Here the schists are rippie marked, 

 the ripples running about parallel with the strike, and small en- 

 closures of earthy chlorite abound, and occasionally cubes of 

 pyrites. Between pts. 26 and 27 the dip runs from 25°-15° W.- 

 NW., and between pts. 27 and 28 it comes down to 5° W.NW. 

 Just here is the summit of an anticlinal, and at pt. 28 the dip 

 15° S.SE. A boulder of conglomerate, 8' X 8' about, lies upon 

 the schists. Rounding the point and going northeasterly, the 

 dip increases to 45° S.SE ; at 29 the conglomerate overlies the 

 schist conformably, both dipping toward the eastern horizon ; at 

 pt. 30 the conglomerate dips 25° E.SE. ; at pt. 31 glacial grooves 

 N. 10° W. The tongue of rock, 31, called the "Whetstone," 

 owes its gable shape to the meeting of a plane of stratification 

 and that of a joint. It requires great care not to be misled; the 

 dip is only determinable from a close scrutiny of layers of schist 

 enclosed in the conglomerate. Near pt. 32 the conglomerate con- 

 tains a boulder or mass of stratified quartzite, 8'-10'xl'-2'. A 

 little westward the dip is 45° S.E. Fissures and quartz veins run 

 W.NW. as does the chasm called Purgatory. The conglomerate 

 forms bluffs 60' high; its surface is highly glaciated showing both 

 furrows, striae and polish ; many of its pebbles and boulders con- 

 sist of a finely stratified or laminated quartzite containing a little 

 mica ; the laminae often form an angle with the longer axis of the 

 pebble. Some of the quartzite pebbles contain regularly dissemi- 



1 Numbers are affixed to localities not otherwise designated. 



2 Sef Rogers, op. cit. 1875. 



s No allowance has been made throughout, except on the maps and sections, for 

 magnetic vari?tion. It is now about 10° 50' W. 



