GUIDELINES TO PROSPECTING Most easily observable ore deposits have already been found in Ontario. ... Most of the exposed bedrock surface has been prospected, but unfortunately more than 90 percent of the bedrock surface is buried beneath glacial till or soil. Thus ... Weekend and part time sumer prospecting trips provide an enjoyable challenge to the search and the possibility of both fame andanbsp;...
|Title||:||Mineral exploration topics|
|Author||:||Ontario. Division of Mines, Stewart A. Ferguson|