1813.] Talltau Methodique ass Especes Minerales. 145 



the distribution of rocks. With respect to the first two of these 

 branches, we have no details ; but a table is given of the distri- 

 bution of rocks. They are divided into six classes, namely : — 



I. Mountains in JMass. 

 They are all composed of the oldest granite. 



II. Mountains in Beds. 



\, Second formation of gra- 8. Dolomite, 



nite. 9. Flinty-slate. 



2. White-stone. Felspar with 10. Serpentine, 

 garnet, or mica, or cyanite, 11. Green-stone. 



or hornblende. 12. Magnetic iron-stone. 



3. Gneiss. 13. Iron glance. 



4. Mica-slate. 1 i. Cyanite. 



5. Clay-slate. 15. Porphyry. 



6. Topaz rock. 16. Amygdaloid. 



7. Primitive calcareous spar. 



III. Transition Rocks. 



1. Grey-wackc. 7- Red iron ore. 



2. Transition lime-stone. 8. Transition syenite. 



3. Transition green-stone. 9. Transition felspar por- 



4. Transition amygdaloid. phyry. 



5. Transition flinty-slate. 10. Transition granite. 



6. Ribbon jasper. 11. Transition sand-stone. 



IV. Floelz Rocks. 



1. Conglomerate. 18. Geanthraee, or glance coal. 



2. Old red sand-stone. 19. Phytanthrace, or black 



3. Bituminous marl-slate. coal. 



4. Indurated marl. 20. Zoo-phvtanthrace, or black 



5. Compact lime-stone. coal. 



6. Second compact lime- 21. Friable sand-stone, 

 stone. 22. Alum-slate. 



7. Amygdaloidal lime-stone. 23. Slate-clay. 



8. Foliated gypsum. 24. Bituminous shale. 



9. Common salt. 25. Cinnabar. 



10. Second sand-stone. 26'. Jasper form clay iron-stone. 



11. Fibrous gypsum. 27. Clay iron-stone. 



12. Third lime-stone. 28. Common clay. 



13. Calamine. 29. Clay-stone. 



14. Fourth lime-stone. 30. Clay-porphyry. 



15. Third gypsum, or plaster 31. llom-^tone. 

 of Paris. .52. Lithomarge. 



16. Third sand-stone 3.5. Mar,. 



17. Chalk. 34. Compact lime-stone. 

 Vol. II. N° II. K 



