Whin Sill (igneous rock)

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf igneous intrusion
gptkbp:age gptkb:Carboniferous_period
gptkbp:country gptkb:United_Kingdom
gptkbp:extendsTo gptkb:Teesdale
Northumberland
gptkbp:featureType dolerite
gptkbp:firstDescribed 19th century
gptkbp:formedBy intrusion of magma
https://www.w3.org/2000/01/rdf-schema#label Whin Sill (igneous rock)
gptkbp:importantFor classic example of a sill
gptkbp:locatedIn gptkb:Northern_England
gptkbp:namedFor gptkb:T._Sopwith
gptkbp:notableFeature forms High Force waterfall
forms cliffs along Hadrian's Wall
gptkbp:thickness up to 70 meters
gptkbp:usedFor quarrying for roadstone
gptkbp:bfsParent gptkb:High_Force
gptkbp:bfsLayer 6