Gudex. — Succession of Tertiary Beds in Pareora District. 



247 



thicker than shown above. Thus the limestone sometimes reaches 120 ft., 

 and the upper red sands may reach as much as 500 ft. The quartz grits 

 also are frequently thicker than in the table ; this is seen in the foothills 

 between White Eock and Squire's Farm. 



Rg. 1. — -Stratigraphical map of the Pareora and neighbouring districts. (Scale. 

 4£ miles to 1 in., approx.) 1. Trias- Jura rocks, usually greywackes and 

 mudstones. 2. Beds underlying the limestone, including quartz grits, sands 

 and sandstones, crab-beds (greensands), and marls. 3. Limestone, including 

 the white and flaky, "dark," and ordinary limestones. 4. The Pareora beds, 

 including the blue clay and upper red sands. 5. Dolerite. 6. Gravels 

 (old and new) and loess. The line AB gives the section across the Upper 

 Pareora Basin. 



Fig. 2. — -Section across Upper Pareora Basin (along the line AB in the map). Dis- 

 tance, 10£ miles; direction. E.S.E.-W.N.W. 1. Mesozoic rocks. 2. Grits 

 and sands. 2a. Lower red sands with calcareous limestone. 3. Limestone. 

 4. Blue clay. 4a. Sandy clays (part of "upper red sands"). 5. Gravels. 



