The time interval available for folding and erosion of the Silurian strata before deposition of the Old Red Sandstone strata was 100Ma

True: False: [Introduction]

Siccar Point is located south of Berwick on Tweed

True: False: [Location]

The coast at Siccar Point faces north

True: False: [Climate]

Amongst the first two items on your shopping list of field clothing would be an anorak

True: False: [Clothing]

The best item for writing in a field notebook is A HB pencil

True: False: [Equipment]

The most likely cause of an accident at Siccar Point is barbed wire fences

True: False: [Safety]

The ocean that separated Scotland from England 480 million years ago is known as Iapetus

True: False: [Plate Setting]

425 million years ago the site that is now Siccar Point was occupied by a deep trench

True: False: [Palaeogeography]

425 million years ago a subduction zone plunged south-east beneath England

True: False: [Trench Section]

The Silurian strata at Siccar Point were deposited by turbidity currents

True: False: [Tilting]

The rocks near the foot of the cliff at Siccar Point are Silurian strata

True: False: [Siccar Point]

To sketch the unconformity at Siccar Point it might be best to start with the bedding planes in the Silurian strata

True: False: [Closer]

The best place to sketch the unconformity is with a view direction perpendicular to the Silurian strata

True: False: [And closer]

The dip of the Silurian strata is about 60°

True: False: [And closer]

At the unconformity contact the Silurian strata are bleached

True: False: [And closer still]

The Silurian strata at Siccar Point display desiccation cracks

True: False: [Sedimentary structures]

The Old Red Sandstone breccia was deposited as a scree deposit

True: False: [The Old Red Sandstones]

The pebbles in the Old Red Sandstone breccia are imbricated by fast lowing currents

True: False: [The breccia]

The pebbles in the breccia include some samples of metamorphic rocks

True: False: [Pebble varieties]

The sandstone component of the Old Red Sandstone displays graded bedding

True: False: [Sandstone]