236 /S. Powers — Explosive Ejectamenta of Kilauea. 



The distribution of the coarse material is very similar to that 

 of the ash. The thickness is 10 feet on the "Peninsula," 9 

 feet or less on the top of the fault-blocks on the edge of the 

 sink southwest of Halemaumau ; 5-| feet on the monocline at 

 the edge of the desert and in the automobile road near the 

 "Peninsula"; 3 feet at Keanakakoi ; 1 to 2 feet from this 

 place around the north end of the crater to the Prisoners 

 quarry ; \ foot at Uwekahuna, the Fern Forest, Crater Hotel, 

 the second of the pit crater, and the 1868 cracks one mile west 



Fig. 5. 



Fig. 5. The fault-scarp on the south side of the " PeniDsula," showing 

 10 feet of coarse blocks and ash underlain by 22 feet of ash. The base of 

 the ash is not seen at this place. 



of the crater. Two complete sections may be given (see 

 fig. 5) : 



The "Peninsula" 

 (thickest section) 

 surface gravel, bombs, etc. 

 10 feet coarse ejectamenta 

 26 feet ash 



6* 



6 



The monocline 



foot surface gravel, thread- 

 lace scoria, Pele's hair 

 feet coarse ejectamenta 

 + feet stratified ash 



36 feet. 



Hi +feet. 



