Slinfold Stream and Quarry

Slinfold Stream and Quarry is a 2.3-hectare (5.7-acre) geological Site of Special Scientific Interest west of Horsham in West Sussex.^[1][2] It is a Geological Conservation Review site.^[3]

Slinfold Stream and Quarry

Site of Special Scientific Interest
Slinfold Stream
Location	West Sussex
Grid reference	TQ 125 316[1]
Interest	Geological
Area	2.3 hectares (5.7 acres)[1]
Notification	1990[1]
Location map	Magic Map

This site exposes the Horsham Stone member of the Lower Weald Clay, dating to the Early Cretaceous, around 130 million years ago. It preserves the fossils of horsetails in their upright position, suggesting that they grew in a fresh water reedswamp with a maximum depth of 2 metres (2.2 yards).^[4]

A public footpath goes through a small stretch of the stream bank but the rest of the site is private land with no public access.