Mesozoic Sedimentary Cover Sequences of the Congo Basin in the Kasai Region, Democratic Republic of Congo - Geology and Resource Potential of the Congo Basin - page 169

Fig. 9.7 Fine-grained Lithofacies. A. LF8A, unit C4, core 159-X027
with stylolites ( arrow ); B. LF8B, unit C4, core 172-X146; C. Massive
mudstones of LF7 with large calcium carbonate concretions ( arrow )
from Unit C2, core 172-X050; D. Massive mudstones of LF7 with

small calcium carbonate nodules in Unit C4, core 172-X111; E. Finely
interlaminated siltstones and claystones of LF8A, unit C4, core 173-
X030; F. Deformed bedded silicified layers of probable evaporative
origin in LF8A, unit C4, core 173-X030