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Olindia schumacherana
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Essex Field Club
Essex Field Club
registered charity
no 1113963
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Visit Our Centre

EFC Centre at Wat Tyler Country ParkWe are normally open to the public at our centre at Wat Tyler Country Park every Saturday, Sunday and bank holiday 11am-4pm, check. We are also open on Wednesdays 10am-4pm.
Autumn recording Record Grey Squirrel Record Fly Agaric
Record Ivy Bee
Record Wild Teasel
Record Sloe, Blackthorn
Record Garden Spider Record Nigma walckenaeri spider

Geology Site Account

Mistley Heath (Elephant and rhinoceros remains), MISTLEY HEATH, Tendring District, Historical site only


In 1966 the geologist H.E.P. Spencer reported in the Essex Naturalist that work on the anti-aircraft battery at Mistley Heath during the Second World War resulted in the discovery of elephant and rhinoceros remains in brickearth. He also said that this brickearth was subsequently also seen at Wix Lodge.

The site has not yet been relocated. Spencer may have been referring to the underground cold war operations room at Mistley (the ‘secret bunker’) at TM 122 313 but this was not built until 1951. It is possible that the bunker was built on the site of the anti-aircraft battery he refers to. Most fossiliferous brickearth is situated on the coast, at sea level or thereabouts. If rediscovered, this site would be the first at a higher altitude, and could potentially be very important. It may date from ‘marine isotope stage 7’ – an interglacial stage that occurred about 200,000 years ago.

Further research is required to establish the exact site of these finds.


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Reference: Spencer 1966.

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