Figure 2. Generalized stratigraphic column of E. Venezuela-Trinidad stratigraphy with heavy oil-oil sand occurrences marked with solid squares (modified from Heppard et al. 1998).
Figure 2. Generalized stratigraphic column of E. Venezuela-Trinidad
stratigraphy with heavy oil-oil sand occurrences marked with solid squares (modified
from Heppard et al., 1998).