56 
such as those at Kackeraboite and Ballark Creeks, are due to vertical erosion. 
Block faulting and slipping make it difficult to work out the several beds. 
Fig. 24.—Locality Plan of Nodule Beds at Balcombe Bay, Mornington. 
Scale, 40 chains to 1 inch. 
The beds do not extend inland for more than a mile, where they are cut 
off by the main Dandenong-Cape Schanck fault. They should be found at 
varying depths over an area of 7 or 8 square miles. 
