ESSEX COUNTY. 249 



Explanation of the Middle Section, and description of the Ore at different points. 



I. Middle transverse section, commencing' at the western limit, or at the base of the hill, and proceeding- 

 nearly eastward, or at right angles to the vein. 



First excavation. No. 1. Fine granular feldspar, intermixed with iron, garnet and hornblende. 

 2nd. 36 feet from No. I. A rich ore, breaking into tabular masses, 

 10 feet from No. 2. Rich ore, as above. 

 No. 3. A rich ore. 



No. 4. A rich ore, mixed in a small proportion with granular feldspar. 

 . - No. 5. Granular feldspar in a decomposing state, containing only a small 

 proportion of ore. 

 No. 6. Rich ore, mixed with a few scales of black mica and feldspar, 

 . . No. 7. Rich ore, mixed with garnet and feldspar. 

 . - No. 8. Nearly the same as No. 8, but brighter. 



No. 9. Rich ore, with a very small proportion of feldspar. 

 . . No. 1 0. Loose decomposed rock. 

 .. No. II. Rich ore. 

 .. No. 12. Rich ore, with feldspar. 



No. 13. A rich granular ore, with a resinous lustre. 

 No. 1 4. A lean ore. 

 .. No. 15. Principally rock. 

 .. No. 16. A pure ore. 

 .- No. 17. A pure and rich ore. 

 ._ No. 18. A rich ore. 

 . . No. 19. A pure oxide. 

 . . No. 20. A pure ore. 

 .. No. 21. A pure ore. 

 - . No. 22. A pure ore. 

 . . No. 23. Ore mixed with garnet. 

 . . No. 24. Rock mixed with particles of ore. 



II. Description of the section 268 feet south of the middle section. Whole width on this transverse 

 line, 610 feet. 



No. 1. Good ore, mixed with small particles of decomposed feldspar and hypersthene. 



2. Same as No. 1. 



3. Same as No. 1. 



4. Same as No. 1, but brighter and coarser grained. 



5. Good ore and fine grained. ' 



6. Good ore, granular and friable. 



7. Good ore, granular, color black, 



8. Good ore, with metallic lustre. 



9. Good ore. 

 10. Good ore. 



Geol. 2d Dist. 32 



