Mining historian Kerby Jackson introduces us to a classic mining publication on the evaluation and examination of mines and prospects by C.G. Guthrie. First published in 1912, it has been unavailable for over a century and sheds important light on how to examine and evaluate hardrock mines, prospects and lode mining claims. Sections include Mining Examinations, Structural Geology, Structural Features of Ore Deposits, Primary Ores and their Distribution, Types of Primary Ore Deposits, Primary Ore Shoots, The Primary Alteration of Wall Rocks, Alterations by Surface Agencies, Residual Ores and...
Mining historian Kerby Jackson introduces us to a classic mining publication on the evaluation and examination of mines and prospects by C.G. Guthrie....