P3 ° 



4 ft. 



IJft. 



2 ft. 



4 ft. 

 4 ft. 



3 ft. 



SJft. 



5 ft. 



4ift. 



4 in. 



4 ft. 

 4 ft. 



3 ft. 



Dip of Strati- 

 fication or 

 Cleavage of 

 Slate. 



Deep blue, dip 

 N.W. 34° 



5 ft. 

 1 ft. 



4 ft. 



2ift. 

 4fu 



20 in. 



3 ft. 



Deep blue, dip 

 N. 50°. 65° 



N. side slate 

 dipN.W.34° 

 dip S. 12° 



ra a. -3 



<i 



zz" 



Appearance of Granite, and 

 its Dip at Junction, &C.&C. 



South Lode. 



Direction of 



Heave, and 



if to the 



greater or 



smaller 



Angle. 



At this spot there is also gra- 

 nite, which is traversed by 

 many veinsofa fine-grained 

 dark gray schorl rock . 



Near the cross course soft, 

 and mica more abundant 

 than at a little distance . 



Coarse - grained, soft, and 

 tinged red : dip of junction 

 S. '22°. 



Fine-grained with imbedded 

 crystals of schorl. 



S. side of vein granite. 



The slate and granite gra 

 dunlly pass off from one 

 into the other, there being 

 no distinct separation. 



Traversed by numerous veins 

 of the fine-grained schorl 

 rock. p 



Deep blue, N. 



side ... . 

 Traversed by 

 veins of fel 

 spar clay. 



Dip N. 62°. 



Spots of granite in the slate 

 here. 



Structure not uniform; nest!> 

 of crystals of fclspar&mica 



S. side, much mixed will 

 slaty particles. 



RSf^'GA 

 R7ft. GA 



85° 



s-s r." 





■" S 



Great Lode. 



Direction of 

 Heave, and 

 if to the 

 greater or 



smaller 



Angle. 



R3§f"" SA 





c S S 

 « o — ' 



iX ---S C 



N. 8. Vol. 10. No, 59. Nov. 18:il. 



3 A 



In 



