ERMS field visit to Highwood Quarry 22nd August 2026

ERMS Field Visit to Highwood Quarry. Saturday 22nd August 2026
Another visit to view the latest revelations in ice age geology and look for interesting specimens amongst the pebble beds.

The chalky till (boulder clay), deposited by an ice sheet, contains derived fossils and erratics. The underlying Kesgrave Thames river gravels contain Hertfordshire Puddingstone and boulders from as far away as North Wales and S.W. England.

In the floor of the quarry is London Clay which contains occasional fossils. On previous visits, the clays have yielded some interesting examples of Jurassic gryphaea fossils.

Helmet, boots and high visibility jacket are essential. Safety glasses are required if you intend to hammer rocks. This is a working quarry - no under 18s permitted.

Organiser: John Walmsley Mobile: 07743317947 Leader: Peter Allen

This visit is free to ERMS members (£5 for non-members) but is limited to a maximum of 25 attendees only.

Please note that no refund is given if you are unable to attend.
You can use this form to book places for either one or two people. This is useful in several situations e.g. husband + wife, or an ERMS member who brings along a non-member. If you want to book places for more than two people, please go back to the website and click on the booking link once again.
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ERMS Field Visit to Highwood Quarry. Saturday 22nd August 2026

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