Fig. 4

Cross section of sample no. 3405 (laterite) from the inner wall of East Mebon covered with black precipitates, and SEM and X-ray images. The analyzed area was surrounded by a white frame
Cross section of sample no. 3405 (laterite) from the inner wall of East Mebon covered with black precipitates, and SEM and X-ray images. The analyzed area was surrounded by a white frame