Park. — TJie Loiver Mesozoic Bocks of Neiv Zealand. 383 



7. Sandstones and claystones, 250 ft., not exposed on 



beach. 



8. Breccia-conglomerate, angle of dip 77°, 20 ft. 



9. Highly indurated claystones, 55 ft. 



10. Hard greywacke, 15 ft. 



11. Thinly laminated claystones and sandstones, 24 ft. 



12. Breccia-conglomerate, slaty and granitic, 27 ft. 



13. Gritty sandstone, 15 ft. 



14. Indurated sandstones with occasional beds of clay- 



stone, 200 ft., nearly vertical. 



15. Granitic conglomerate, 10 in. thick ; angle of dip 86°. 



16. Indurated claystone, 50 ft. 



17. Trigonia bed — claystones, 10 ft. Contains an ammo- 



noid shell, Trigonia, Pleurotomaria, Terehratula, 

 Pentacrimis, &c. 



18. Sandstones and claystones with subordinate beds of 



grittv sandstone, 450 ft. 



19. Oyster and Mytilus bed, 29 ft. ; angle of dip 78°. 



20. Coarse sandstones, 600 ft. 



21. Athyris beds, 10ft. — sandstones containing Athyris 



{Clavigera of Hector), Sjnriferma (BaHtelligera of 

 Hector). 



22. Plant beds — sandstones and claystones. 



The Athyris beds are standing nearly vertical or incline 

 slightly to the N.N.E. for a few yards. Around the rocky 

 headland the dip resumes its normal S.S.W. dip at very high 

 angles, and from this point to the south side of Sandy Bay the 

 dip is continuously in that direction, exposing a thickness of 

 probably not less than 8,000 ft. of strata. 



There are three zones of Athyris separated by beds of 

 barren sandstone, the sequence in ascending order being as 

 follows : — 



1. Dark-blue indurated clavstones. 



2. Bed of granitic conglomerate, 4 in. thick. 



3. Athyris bed, 40 in., richly fossiliferous. 



4. Sandstone, 4 ft. 



5. Athyris bed, 2 ft. 



6. Sandstone, 4 ft. 



7. Athyris bed, 18 in. 



8. Indurated sandstones. 



The upper Athyris bed (No. 7) is a coarse gritty, some- 

 times pebbly, sandstone containing shells of Athyris of at 

 least two different species in such abundance that the rock is 

 in places moderately calcareous. At this rocky headland the 

 strata are nearly vertical, and, the overlaying thin layer of 

 conglomerate and claystones having been worn down by 



