PROCESS-BLOCKS AND OTHER ILLUSTRATIVE FIGUKES, 

 BESIDES THOSE IN THE PLATES. 



Fig. Page 



1 4 / [Spherulitic and raicropegmatitic structures in obsidian and 

 ■[ eutectic alloys] Ixxv 



1. East side of one of the troughs (Drift near Warnemiinde) . . 4 



2. West side of the same trough 4 



3. Generalized section of a trough 4 



4. Chalk and Drift below the Lighthouse station, Arkona 8 



5. Gakower Ufer (as exposed in 1 899) ; northern end of the section. 1 1 



n r Section between the Wissower Bach and the Wissower Klinken 



"•[ (southern end) 12 



7. The same (northern end) , 13 



8-9. Diagrammatic sections, to illustrate the ' folding hypothesis ' . 14 



10. Diagrammatic section, to illustrate the ' faulting hypothesis ' . 15 



n. Section in Von Hausemann's Quarry [Crampas-Sassnitz] 17 



, r Section across Mynycld-v-Grarn, west of (and subparallel to) the 



^'1 Garn-Castell Fault .\ 22 



2. Geological Map of Mynydd-y-Garn and the surrounding area . 24 



Sketch-map of the central ridge of Mount Girnar 42 



1. Craglet north-east of Bastogne, by the road to Longwilly 62 



2. Banded rock including a garnetiferous nodule : same locality . 63 



3. Microscope-section taken from the above-mentioned nodule ... 64 



. f Band containing garnets, etc., north-east of Bastogne, in 



' \ quarries along the railway to Gouvy 66 



Sketch-map of the outcrops of Elsworth and St. Ives Rock ... 74 



1. Section in Madeley Court Colliery 88 



,^ I Diagram inatic section across the Madeley District, Coalbrook- 



dale Coalfield ,.., , , 88 



