| Large amounts of shell in the sand that accumulated to form the Bluff have been dissolved over time. The white colour in this image shows the high proportion of calcium carbonate in the materials that make up the Bluff. |
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Rock-on / Limestone
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| Large amounts of shell in the sand that accumulated to form the Bluff have been dissolved over time. The white colour in this image shows the high proportion of calcium carbonate in the materials that make up the Bluff. |