SYNOPSIS. 1 



CLASSES 

 OR SERIES. 



WOOU CUT 

 SP F.CIMENS. 



STRATA AND 

 SUBDIVISIONS. 



VAillETIES, 







11. METTALLIFER-- 

 OUS LIME ROCK. 



B. Shelhj. 

 A. Compact. 



Chertj. 



Birdsej^e marble. 



2. Calc. 





10. CALCIFEROUS 

 SANDROCK. 



B. Geodiferom. 

 A. Compact 



Opalaceous. 

 Quartzose. 

 Sparry. 

 Oolitic. 







9. SPARRY LIME- 

 ROCK. 

 B. Slaty. 

 A. Compact. 



Checkered rock. 



2. Qu. 





8. FIRST GRAY- 

 WACKE. 



B. Millstone grit. 

 A. Grey rubble 

 and slate. 



Red sandstone. 

 Grit slate. 

 Chlnritic. 



2. Carb. i 





7. ARGILLITE. 



B. Wacke Slate. 

 A. Clay Slate. 



Chlsritic. 

 Glazed. 

 Roof-slate. 

 Red. Purple. 





Here Organic 



Relics commence. 



6. GRANULAR 

 LIME-ROCK. 



B. Sandy. 

 A. CoiiLpact. 





1. Calc. - 





Verd-antique. 

 Dolomite. 

 Statuary marble. 



1. Qu. 





5. GRANULAR 

 QUARTZ. 



B. Sandy. 

 A. Compact. 



Ferruginous. 



Yellowish. 



Translucent. 







4. TALC USE 

 SLATE. 



B. Fissile. 

 A. Compact. 



Steatite. 

 Chloritic. 







3. HORNBLENDE 



ROCK. 

 B. Slaty. _ 

 A. Granitic. 



Greenstone. 

 Gneissoid. 

 Porphyritic. 

 Sienitic. 



1. Carb. - 



1 %iw 



2. MICA-SLATE. 



B. Fissile. 

 A. Compact. 









1, GRANITE. 



B. Slaty, (g-neiss) 

 A. Crystalline. 



Sandy. 



Porphyritic. 



Graphic. 









