LITHOLOGY		
VQSst	 felsic quartz-crystal-rich volcaniclastic sandstone 	
VFQSst	 feldspar-quartz-phyric felsic volcaniclastic sandstone	
VQFSst	 quartz-feldspar-phyric felsic volcaniclastic sandstone	
LQFR 	quartz-feldspar-phyric rhyolitic porphyry	
CL	core loss	
SLst	siltstone	
VN 	vein	
GSN	gossan