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Home / Landscape & Geology / Dorset Coast and Geology / Lulworth Area Formation- Types of Rock / Picture 9 of 12 -Lulworth –Types of Rock – Greensand
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Deposited in a shallow sea, 125 million years ago, the greensand consists of layers of sandstone (there is a green staining due to the mineral glauconite, which is iron and potassium based). Although much better drained than the Wealden clay the rock is soft and susceptible to erosion. The rock c...

Picture 9 of 12 -Lulworth –Types of Rock – Greensand

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60254

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Deposited in a shallow sea, 125 million years ago, the greensand consists of layers of sandstone (there is a green staining due to the mineral glauconite, which is iron and potassium based). Although much better drained than the Wealden clay the rock is soft and susceptible to erosion. The rock contains fossils such as sea urchins and small bivalves.

Added:
7th Dec 2005 by Diane Earl

Subjects:
 Biology, Science

Key Stages:
 Key Stage 3, Key Stage 4, Key Stage 4+

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