Scale of M 



PRECAMBRIAN IGNEOUS 



Present outcrops OUTCROPS 



mm ■! 



Extension under uounger rocKs 

 ZZZ. 



Figure 22 Precambrian and Cambrian (lower and middle) outcrops. In 

 the Adirondack area the Precambrian as shown is unclassified, except the 

 central anorthosite (igneous) mass. Xo Upper Cambrian (St Croixian) is 

 present in New York State. 



