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Piston1

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GEOLOGY Stratigraphy Wealden Group

Wealden Group

The Wealden Group reveals ancient flood plains and coastal lagoons of Early Cretaceous England

11 Dec 2025

What depositional environments are primarily represented by the sandy and clay layers of the Wealden Group?

Sands from deep marine environments and clays from desert dunes Sands from volcanic ash deposits and clays from glacial lakes Sands from braided river flood plains and clays from lagoonal coastal plains

PeteBest1

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GEOLOGY Stratigraphy Main Rock Strata of Southern England

Main Rock Strata of Southern England

Southern England's layered rocks reveal 150 million years of Earth's ancient seas and landscapes

31 Oct 2025

Which rock formation primarily forms the iconic White Cliffs of Dover in southern England?

The Gault Clay The Chalk Group The Lower Greensand Group