La Predrera de Rubies Formation, Geological formation in Pre-Pyrenees, Catalonia, Spain.
La Predrera de Rubies Formation is a geological structure in the Pre-Pyrenees with multiple layers of sandstone and mudstone stacked in visible bands. The exposed rock faces reveal these alternating layers in cross-section, showing how the material was deposited over time.
This formation developed 145 to 100 million years ago during the Early Cretaceous when marine sediments accumulated in this region. The layering records extended periods of deposition in a shallow sea that once covered this area.
Scientists from multiple research institutions conduct regular field studies at the formation to map and document the geological features of the Pre-Pyrenees region.
Visiting certain parts requires prior permission from local research institutions or conservation authorities. Check with geological centers or local offices before planning a visit to learn about access conditions.
The rock layers preserve fossilized marine animals from the Cretaceous period, showing what creatures lived in the ancient sea. These remains offer direct glimpses into the life forms that inhabited this region millions of years ago.
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