The chalk cliffs at Seaford head clearly show an orange deposit of loess. Loess is a loose deposit consisting mainly of wind-blown dust which filled in a river valley in the chalk. The Seven Sisters are in the background with a chalk beach in the foreground. Seven Sisters Country Park Sussex, UK 5 August 2005.

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The chalk cliffs at Seaford head clearly show an orange deposit of loess. Loess is a loose deposit consisting mainly of wind-blown dust which filled in a river valley in the chalk. The Seven Sisters are in the background with a chalk beach in the foreground. Seven Sisters Country Park Sussex, UK 5 August 2005.

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KEYWORDS
chalk south downs erosion sea beach coast cliff white Albion Cretaceous Pleistocene geology south coast BarnDigital Barn Digital Michael Grant
Michael Grant MichaelGrantImages image photograph photo picture BarnDigital Barn Digital