GEOLOGICAL SECTION OF NEW JERSEY 379 
Kingston or Port Ewen 
shale 80_feet S oa 
Becraft limestone 20 feet e a 
New Scotland beds 160 feet a St 
(Cherty limestone and 
calcareous shale) 
Stormville sandstone o-1o+ feet i 
Coeymans limestone 40 feet m a 
: SILURIAN 
Manlius limestone 35 feet Not recognized 
Rondout limestone 39 feet SE ay 
Decker Ferry limestone 52 feet Decker Ferry lime- 
stone 
Bossardville limestone 12-100 feet Not recognized 
@ }) Poxino Island shale = Unknown s sn 
3 High Falls shale 2,300 feet Longwood shale 200+ feet 
Shawangunk conglom- 
erate 1,500 feet Green Pond conglom- 
erate 1,200-1,500 feet 
Unconformity 
ORDOVICIAN 
Martinsburg shale 
Jacksonburg limestone 
Unconformity 
Kittatinny limestone 
CAMBRIAN 
Kittatinny limestone 
Hardyston quartzite 
Great unconformity 
PRE-CAMBRIAN 
Byram and Losee gneiss—rocks of various 
types, intrusive in older sedimentary 
rocks 
Pochuck gneiss, in part intrusive, in part 
metamorphosed sediments 
Franklin limestone— white crystalline 
limestone penetrated and surrounded 
by younger intrusives 
3,000 feet 
125-300 feet 
2,500-3,000 feet 
5-200 feet 
Unknown thickness 
Unknown thickness 
