Firth. — Beep Sinhing in the Lava Beds of Mount Eden. 461 



Seventh and latest eruption. 



Brown soil and scoria stones intermixed ... 



Blue scoria rock with patches of quartz. 18 feet 



Sixth eruption. 

 Loose scoria stones with crevices from which issued blasts of cold air j 



stones covered with soft mud 

 Loose red scoria ash with round nodules of very dense scoria covered 



with cement deposits; steel grey fracture, showing abundance of 



olivine and brilliant coloured crystals ... 

 Hard blue rock with patches of quartz 

 Solid blue rock, close-grained, basaltic. 50 feet 



Fifth eruption. 

 Loose boulders in coarse red scoria ash, pieces of quartz imbedded 

 full of crevices, through some of which came strong currents of 

 pure cold air. Stones and ash filled with moisture 

 Hard blue rock. 101 feet 



Fourth eruption. 

 Bed and sulphur yellow ashes and very porous rock 

 Very close-grained hard blue rock 

 Stratified basaltic rock, dipping from S. to N. at an angle of 30° 



Solid blue rock with quartz. 



132 feet 



Third eruption. 



Bed scoria ashes and rough clinker cinders 

 Hard bluish rock ... 



Hard close-grained rock — Indian red colour 

 „ „ „ Blue colour. 176 feet 



Second eruption, 

 a. Baked clay with round holes in which fern roots had been im- 

 bedded ... 

 Fine scoria gravel ... 

 Bed hard scoria, much honeycombed 

 Hard close-grained blue rock. 180 feet 6 inches ... 



First eruption, 

 h. Volcanic mud, full of holes (the impress of timber decayed) 



c. Soft sandstone rock of light yellow colour, stratified ... 



d. Ochre, like Venetian red of a bright vermilion colour 



Black scoria rock, intensely hard, full of air-bubbles or honeycombed. 

 For 2 feet intersected by seams or joints transverse and vertical. 

 These seams were filled with the vermilion-coloured earth. This 

 rock presented every appearance of having been deposited under 



Ft. in. 

 12 



6 



12 



8 

 4 

 8 



42 



9 



4 



12 



6 



9 



36 



4 



2 



a 



1 



6 



2 



1 



2 

 1 6 

 1 6 



