328 



Transactions. — Geology. 



geographical areas of deposition ; thus, the brown coals occur 

 principally in the eastern portion of the great axial division of 

 the South Island, the bituminous coals in the west coast 

 district of Nelson, and the pitch-coals in the North Island. 



In preparing the following estimate of workable coal I 

 have not included lignites, nor coals of any kind where the 

 thickness of the seams is less than 2ft. These will no 

 doubt be of great importance when the coalfields become 

 exhausted ; but until then they will have no market-value, 

 and will probably be little sought for except for purely local 

 consumption where other kinds of fuel are scarce : — • 



Bbown Coal (Table No. 1), 



* The altered brown coals are included In this estimate. 

 Pitch-coal (Table No. 2). 



