332 



J. E. WOLFF — AGE OP THE STOCKBRIDGE LIMESTONE. 



ley from a third, or " West Rutland valley," which in turn is bounded by 

 the higher ridges of the Taconic range. 



In the high, abrupt frontal range of the Green mountains there occur 

 crystalline schists, often gneissic, which pass eastward into the gneissic rocks 



I ^x.-r*'! J^et9.tnoyfih>C ccnqlomt-rak. -ctTntntu/'lAvrte/ssieds 



^g=| Zjinttitcnt qenerallv Crw.sf«t///nt 



• F Fossil localities. 



Figure 1. 



proper of the Green mountains. These schists contain beds of true con- 

 glomerate, with a metamorphosed crystalline cement, and pass westward, on 

 the slope, into the quartzite of Vermont, which the discoveries of C. D. Wal- 

 cott prove to be of lower Cambrian age (Olenellus zone). This is succeeded 



