Outcrop-scale discontinuities

The chronology of deposition for the NG flowstone was established using seven U-series dates (Table 2). Figure 4 shows the distribution of outcrop-scale discontinuities within the NG flowstone. The top-most growth interval (Section 1 Figure 4) is defined by... 

In order to establish the depositional history of the speleothems, outcrop-scale features such as discontinuities were mapped. Four discontinuity surfaces were found within the NG flowstone (Figure 4). The discontinuities are laterally continuous over the entire outcrop of the specimen sampled. Debris such as broken soda straws and stalactites lie horizontally on these surfaces (Figure 4). Although columnar calcite crystals with rhombohedral terminations protrude from these sub-horizontal surfaces, they are... 

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