Sundays River Formation, Geological formation in Eastern Cape, South Africa
The Sundays River Formation is a geological layer in the Eastern Cape composed of fine to medium-grained sandstones with embedded shell fragments and clay deposits. Its rocks contain fossils of various marine creatures from an ancient ocean.
This layer formed roughly 135 million years ago during the Early Cretaceous when the region lay beneath a vast ocean. The rocks record changes in marine conditions across that time period.
The formation draws researchers and students who study ancient ocean life preserved in its layers. For those interested in natural history, it offers a tangible connection to a time when this region was underwater.
Access to this formation may be restricted and often requires permission, particularly for anyone wanting to examine the site closely. Guided visits with knowledgeable people are more practical than visiting on your own.
The rocks contain tracks left by ancient snails and tiny fossils that reveal how sea creatures lived and moved in this old ocean. These small details show what everyday life was like for marine animals millions of years ago.
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