Grexy Cross: 300m north of ST553.047

Site description: 3m deep ravine cut by stream.

Geology: Jurassic, Lower Oxford Clay. Thin papery pyritic shales with septarian nodules and profuse fauna.

Access: By prior arrangement e-mail for contact details.

Parking: at side of road near Grexy Cross.

Size of party: up to 5.

Education level: Research.