148 KUMMET. AND WELLER IJMESTONES OP KITTATINNY VALLEY 



state line. On the northwest it is bounded by the Kittatinny mountain, 

 the crest of which is composed of liard Oneida conglomerate and sand- 

 stone. On the southeast lie the pre-Cambrian crystallines of the high- 

 lands, while the rocks of the valle}^ are chiefly limestones and shales of 



Scale 



Miles. 



Hudson Rtifr Shale 

 Km a lin/iy lim n ton e ■ 

 f're Cambrian Cryitultinfi 

 Normal B»undari's 

 Fault Boundaries 



Fkjluk 1. — Map of Northwestern New Jcrsri/. 



1. Newton. 2. Hamburg. 3. Deckertown. 4. Hardistonville. 5. Blairstown. G. Columbia. 

 7. Belvidere. 8. Phillipsburg. 9. Hackettstown. 11. Dover. 12. Washington. 13. Carpenters- 

 ville. The Hardiston quartzite forms a narrow outcrop along the normal contact of the Kitta- 

 tinnj' limestone and the crystallines. The Trenton limestone forms a narrow outcrop along the 

 normal contact of the Kittatinny limestone and the Hudson River siiale. 



Cambrian and Ordovician age. In addition to this wide trough-like 

 depression there are several long, narrow valleys within the highlands 

 themselves, the rocks of which are of the same age as those of the Kitta- 

 tinny valle3\ Small detached areas of the same formations occur along 



