financially supported by research grant from the National Science Council(NSC 102-2811-M-002-200);the Ministry of Science and Technology grant(MOST 106-2116-M-002-017-MY3)
The Paleoproterozoic basement of the northeastern part of the Leo-Man craton is intruded by generally NW-trending dikes. These regional scale dikes extend over 1000 km in Burkina Faso, Mali and Niger. We present chemi...