244 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [Feb. 25, 



Fig. 1. — Plan of the Country near Sykesville. (About four miles 



square.) 



aa, bb, cc, The three parallel lodes. 



A. B. Line of section (fig. 3) on the course of the Springfield lode (a). 



C. D. Line of section (fig. 2) across the three lodes a, b, c. 



Fig. 2. — Transverse Section across the Lodes in the Sykesville 

 District. (C. D. on the plan, fig. 1.) 



W.N.W. 



Springfield 

 Lode. 



E.S.E. 



s-;-^! 



c 8 7 l> 



1. Syenite. 



2. Granitic gneiss. 



3. Hard micaceous schist. 



4. Steatitic schist. 



4 3 



5. Mica-slate. 



6. Schist with steatite. 



7. Mica-slate. 



8. Schists. 



Fig. 3. — Section on the Course of the Springfield Lode, 

 (A. B. on the plan, fig. 1.) 



Mount Mineral 



S.S.W. Tyson. Carrol. Hill. 



N.N.E. 



d e d p d ^ 



d d. Courses or pipes of ore in the lode, e e. Barren veinstone. 



