156 



THE GEOLOGY OF TASMANIA— THE PRE-CAMBRIAN. 



APPENDIX. 



NOTES IN EXPLANATION OF THE PLATES. 



I. Map of the distribution of the Pre-Cambrian rocks in 



Tasmania. 



The boundaries of the Pre-Cambrian areas are drawn where 

 •they have been determined. 



Where no boundar}' hne is drawn round the hatched areas 

 "it is impHed that further investigations may reveal a more ex- 

 tended distribution of these rocks in those directions not 

 Hmited by observed boimdaries. 



II. The generahsed sections are not drawn to scale. They 

 are intended to represent only the relationships between 

 the several formations represented. 



While they are to be regarded as diagrams only, the dips 

 'of the various beds are represented as accurately as is possible 

 hy the inclination of the lines which serve to indicate, in a 

 .general way, the bedding planes. 



Section I. represents a length of about five miles. 



Section II. represents a length of about one mile. 



Section III. represents a length of about five miles. 



Section IV. rep. t ts a length of about four miles. 



