coos AND ESSEX DISTRICT. 93 



20. Argillaceous schist, wrinkled, three quarters of a mile east of Indian stream. 



21. Argillaceous mica schist, somewhat calcareous, half a mile east of Indian stream. 



22. Wrinkled micaceous schist, half a mile west of Indian stream. 



23. Iron-ore breccia, a boulder near the last. 



24. Argillaceous schist, wrinkled and spotted. 



25. " " " a mile west of Indian stream. 



26. " " " a mile and an eighth west of same. 



27. " " a mile and a half west of Indian stream. 



28. " " spotted and fissile, two and a quarter miles west of Indian 



stream. 



29. " " wrinkled, near 28. 



30. " " wrinkled and spotted. [This and the two following are not 



far from three quarters of a mile from Indian stream.] 



31. " " with quartz veins. 



32. " " spotted, near Hall's stream. 



Section XIII. — I^rom the east part of Holland .^ Vt., to the JMalnc Boiui- 

 dary^ opposite the Academy Grant. 



1. Hydro-mica schist, formerly called "talcose," Maine boundary. 



2. Granitoid gneiss, a mile and a quarter west of Maine boundary, and forming the 



axis of the mountain ridge east of the Dead Diamond. 



3. Mica schist, two miles from Maine boundary ; contains hornblende. 



4. Hydro-mica schist, with crystals of magnetite, the Narrows, Dead Diamond. 



5. " " argillaceous, a mile west of the Dead Diamond. 



6. " " " about two miles west of the Dead Diamond. 



7. Indurated schist, a mile east of water-shed, Connecticut and Magalloway. 



8. " '• argillaceous and ferruginous, following 7. 



9. " " argillaceous and micaceous, half a mile east of water-shed. 



10. Compact, indurated schist, quartzose, calcareous, and ferruginous, water-shed. 



11. Clay slate, three quarters of a mile west of water-shed. 



12. Argillaceous mica schist, with decomposing mineral. 



13. Diorite, about a mile west of water-shed. This is interstratified with an arenaceous 



schist. 



14. Arenaceous schist, two and a half miles west of water-shed. 



15. Diorite, Clarksville. 



16. 17, 18. Arenaceous schist, Clarksville. 



19. Diorite, Clarksville. 



20. Argillaceous schist, Clarksville. 



21. Argillaceous schist, calciferous, Clarksville. 



22. " " " " 



23. Calciferous schist, Clarksville. 

 24. 



