He lived long enough to say “I told you so.” Bretz received the Penrose Medal in 1979, the Geological Society of America’s highest award. He died two years later at 98. Colin Tiernan
Exploration guides for gold deposits of Guiana shield are put forward based on the analysis of the ore-prospecting elements. Keywords: greenstone belt / gold deposit / mineralization / Guiana shield / South America 圭亚那地盾位于南美洲亚马孙克拉通的北部,亚马孙河与奥里诺科河盆地之间,面积约150×104k...