ABSTRACT
The Timbopeba Iron Mine is one of the deepest open pits in Brazil, with a maximum depth over 500 meters. The pit is aligned approximately in the North-South trend (52°/030°) and a major geology feature, called West Fault, can be observed. The eastern section of the mine is generally composed of sound rock, where only some local fractures are noticed due to blast operations. On the other hand, the western section presents a more complex geology, ranging from sound rock to highly weathered rock.
