Huntley Quarry Beds

Ordovician - Silurian (Tremadoc-Telychian)

Lithology
Greyish red to greyish purpletuffaceous siltstones and grits with occasional bands of shale. Contains, fragments of volcanic glass, chlorite and anglular feldspar.

Upper Boundary
Unproved. Overlain by Huntley Hill Formation, but relationship uncertain.

Lower Boundary
Unproved.

Representative Sites
Huntley Quarry

Information on lithology and boundaries taken from the British Geological Survey Lexicon of Named Rock Units
and BGS Memoirs.