1883.] 195 [Dale. 



pt. 65 dip 45° SE. by E. and strike Bf. 30 E. These rocks are at 

 points hardly recognizable owing to partial decomposition by 

 sea water. Veins of quartz with chlorite traverse these schists. 

 The strike of Brown and Church Pts. is with that of the eastern 

 side of Sachuest Pt. From 69 no other outcrops are visible. 

 West Island is Protogine. 



Conclusion's. 



All these observations lead to the following results. 



Stratigraphical : Jackson does not give any detail section of 

 the whole series of strata of the state but gives several special 

 sections and descriptions. According to these the lowest rocks 

 are (1) granite and gneiss followed by (2) mica slate, (3) chlorite 

 slate (in some places with soapstone), (4) hornblende schist (in 

 some places alternating with mica schist or followed by dolomite 

 or serpentine) } The " Flinty slate " of Newport Neck he regards 

 as an altered clay slate not forming a part of the above series. 

 The " Grau-Wacke," (Carboniferous) series, consisting of : (1) 

 clay slates, carbonaceous slates and anthracite beds, (2) fine 

 " Grau-Wacke," (3) quartzite conglomerate, 2 rests, he says, upon 

 the different members of the older series. 3 Prof. Chas. Hitchcock 

 observes : 4 " The strata (of conglomerate) are a succession of 

 small folds, — there being more than six anticlinals in the whole 

 belt of rock." And in his general section for the southern end of 

 the Island 5 he represents the following series, beginning at the east 

 with the lowest rocks and looking north : (1) " grits and schists 

 of Sachuest Pt.," (2) " the first conglomerate " (that of the east- 

 ern shore, Paradise and Purgatory) with six or seven plications, 

 (3) the schists of Easton's Pt., (4), "the second conglomerate ' 

 (that of the west side of Easton's Pt.), followed by (5) the car- 

 boniferous shales of u the Cliffs " at the west end of Easton's 

 Beach. He also gives the following estimates and measurements 

 of thickness 6 : (1) 1000', (2) 500', (3) 473' 1", (4) 464' 1", (5) 



1 See pages 70, 74, 75, 76, 79, 80, 81, 87, 90, 91, 92, 104, 111. 



2 See pages 37, 38. 



3 Contact with granite, p. 79, 104; with mica slate, p. 76; with alternating hornbl end 

 and mica slate, p. 76; with dolomite, p. 80; with serpentine, p. 81. 



4 Geol. of the Island of Aquidneck, p. 116. 

 5 Ibid., p. 119. 



6 Ibid., p. 134 



