Xll PROCESS-BLOCKS AND OTHER ILLTJSTRATIYE FIGURES. 



Fig. 



rot.- Page 



3 ( feection taken from Marcus Scott's paper, but redrawn with the 

 [ basement-beds of the Upper Coal-Measures as a datum-line . 89 



4 & 5. I ^^ooameldsf "'^ **'^ ^''^'^''*' position of the strata [Shropshire 



' ♦.»..•• tJ L 



1. Section in Maiden Bradley Quarry jOj 



2. Section at Eye Hill Farm jng 



3. Section at Dead-Maid Quarry, Mere m 



1 . [Diagrammatic section from the North Cotteswolds to Crickley] 128 



2. Diagrammatic section across the Yale of Moreton 140 



3 I Diagrammatic section across the North Cotteswolds, from west 



I to east -, A-, 



^ 142 



J Diagram of the Cotte.wold and Dorset strata, as they crop 



4. <j out beneath beds of GaratitiancB hemera (Upper Triffo7iia. 



^ ^'^^ 148 



5. Diagrammatic section from Stroud to the Mendips 149 



J r Cross-section of a completely resorbed phenocryst of amphibole 

 [ from camptonite _ '■ ,«■. 



2, 5. [Portions of microscope-sections of camptonite] 161, 164 



3. Phenocryst of augite from camptonite • , . 163 



4. Phenocryst of amphibole from camptonite 163 



6. Semidiagrammatic figure of a phenocryst from camptonite ... 165 



7. Position of a phenocryst, similar to that shown in fig. 6 167 



8. Microscope-section of olivine-basalt I70 



9. Pseudomorph after olivine, from an olivine-basalt 171 



10. Section of Grey Shales and diabases at Coal-Hill Cottage 173 



1 . Isolated crystals of corundum [from Pont Paul] 185 



2-3. Individuals of corundum seen in thin section 186 187 



1. Sketch-map of South-central Ceylon I93 



2-4. Banding in gneissoid granulite I99 20I 



1 . Cavities in the spherulites of Obsidian Cliff 213 



2. Hollow spherulites 214 



3. ( ^^''^ ^^. ^^^ ^^"gs oJf a lithophysa from the Wrockwardine 



[ district 290 



4. Cavities of lithophysge from near Wrockwardine 221 



1. \ ^^^f""""^ sections of the subdivisions of the higher Coal- 

 L Measures m the Pottery Coalfield (North Staffordshire) 252 



