Research Article

A Comparison of Maceral and Microlithotype Indices for Interpretation of Coals in the Samarinda Area, Lower Kutai Basin, Indonesia

Figure 11

Plot of Vegetation Index and Groundwater Index values of Samarinda coals on mire paleoenvironment diagram, Calder et al., 1991 [3]. (a) All seams and (b) Seam 16. Arrows indicate the change of the depositional environment of the studied coal with time. Numbers indicate the phases of the paleomire change.
571895.fig.0011a
(a)
571895.fig.0011b
(b)