1852.] 



WESTON ON THE UPWAY VALLEY. 



113 



11. Purheck: dip to N. at 12°. 



12. Pitrbeck : dip to N.N.E. at 12°. 



13. (N. of Upway Church) Purheck : dip to N.E. 



Figs. 3, 4, and 5. — Transverse Sections of the TJpivay Valley at three 

 different points along its extent (see Fig. 6, and the Map, 

 Fig. 1). 



Fig. 3. — The denudation reaching to the Purheck heds. 



Fig. 4. — The denudation reaching to the Portland Oolite. 



S.S.W. Upway Valley. N.N.E. 



Fig. 5. — The denudation exposing the Portland Sand. 



a. Portland Sand. 



b. Portland Oolite. 



c. Purbeck beds. 



b c d e 



d. Hastings Sand and Clay. 



e. Chalk. 



Fig. 6. — Longitudinal Section of the Upway Valley. 

 Length about 3^ miles. 



W. b. N. 



Purbeck. 



(fig. .3.) 



Portland Oolite. 



(fig. 4.) 



E. b. S. 

 Portland Sand. 

 (%. 5. 



Level. 

 A B, the valley from N. of Whaddon to a little W. of the Farmhouse. 



14. (N. of 13) Purheck : with the dip reversed. 



15. (N. of 14) Purheck : dip to S.W. at 12°. 



16. (N. of 15) Two quarries oi Purheck : dip to S.E. at 22°. 



17. (N. of 16) Chalk : dip to N.by W. at 8°*. 



* I did not see this quarry in 1847 ; but this dip of the chalk to the N. is quite 

 in accordance with the views I then took of the inclination of the whole chalk 

 range to the N. 



VOL. VIII. PART I. I 



