Birds Quarry ST795.199
Site description: Pre-mix concrete depot owned by Hansons.
Geology: Jurassic, Corallian. Birds Quarry is one of a complex of quarries which constitute the type section of the Todber Freestone. It shows a 3.5m section of current bedded, fine grained oosparite limestone containing scattered bivalve and coral fragments. The rock is false bedded, consisting of one massive unit with cross-bedding dipping to the north east. Above the Todber Freestone is the lowest part of the Trigonia clavellata beds.
Access: e-mail us for contact details.
Parking: As advised by Hansons for 4 or 5 cars.
Size of party: 25
Education level: A level/University.
Birds Quarry, Todber Information PDF
Church Close ST799.200
Site description: Formerly a disused quarry and Dorset County Council Depot but redeveloped with commercial business units.
Geology: Jurassic, Oxfordian, Corallian, Clavellata Beds & Todber Freestone. An east-west section in the area behind the business units, shows up to 2m Clavellata Beds dipping to the east, with hard flaggy limestone above a hard, massive, bluish-grey shelly limestone. Beneath this a friable oolitic sand rests on an undulating surface of the Todber Freestone. Up to 3m of the Todber Freestone is visible, in 3 to 4 beds of cream, hard, massive oolitic limestone which is cross-bedded. The beds are separated by thin friable oolitic sand, and have been weathered along the joints to produce a zig-zag outline on the face.
Access: Site redeveloped, access agreed behind business units with permission of the owners, e-mail us for contact details.
Size of party: 25
Education level: A level/University
Quarryfields ST797.199
Site description: Disused Quarry.
Geology: Jurassic, Corallian. Quarryfield is one of a complex of quarries which constitute the type section of the Todber Freestone. It shows a 3m section of well bedded, fine grained oosparite limestone, where the face runs along the strike of the cross-bedding. The Trigonia Clavellata Beds thus follow the Todber Freestone conformably.
Access: By prior arrangement, e-mail us for contact details.
Parking: Small vehicles only, a busy road during working hours.
Size of party: Up to 5.
Education level: Research.
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