BY D. MAWSON. 



413 



rounded pebbles of pyroxene andesite make their appearance and 

 are specially frequent in the passage beds just below the coral 

 capping. 



k Mil s 



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1 I 



lil.i 



,1 



Passage beds 12ft thich- 



-Eroded reef limeston# 

 Sft. above sea level 



/ — — \ v 



w 



Fig.l. Section of the cliffs at The Foreland, Epi. 



1, Fossiliferous Cinder Beds below the raised coral at The 

 Foreland, Epi. The rock is of a medium grey colour, readily 

 friable, and abounds in marine organic remains. 



About 50% or more of the material is represented by small 

 fragments of olivine^ felspar^ 'pyroxene and magnetite^ and very 

 numerous dark-coloured fragments, sometimes up to 2 cm. diam., 

 of more or less glassy vesicular volcanic cinder. 



The remainder of the rock is represented by shells and skeletons 

 of various marine organisms, often of large dimensions. Isolated 

 corals and rounded pebbles of pyroxene andesite are scattered 

 through it indiscriminately, but become more abundant just 

 below the coral capping, where 12 ft. of passage beds are indicated 

 in the section. These passage beds, by gradually losing their 



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uj I L I B R A R Y ) 



