Borrowdale Volcanic Group

E537646
Ordovician stratigraphic unit geological formation volcanic rock sequence

The Borrowdale Volcanic Group is a thick sequence of Ordovician-age volcanic rocks in England’s Lake District, forming much of its central high fells and providing the rugged terrain characteristic of the region.

Try in SPARQL Jump to: Surface forms Statements Referenced by

Observed surface forms (2)

Surface form Occurrences
Borrowdale Volcanic Group rocks 1
volcanic rocks of the Borrowdale Volcanic Group 1

Statements (45)

Predicate Object
instanceOf Ordovician stratigraphic unit ⓘ
geological formation ⓘ
volcanic rock sequence ⓘ
ageRange approximately 460–450 million years ago ⓘ
contains lava flows ⓘ
pyroclastic deposits ⓘ
volcanic breccias ⓘ
contributesTo rugged terrain of the Lake District ⓘ
country England ⓘ
depositionalEnvironment subaerial volcanic environment ⓘ
exposedAt Borrowdale valley NERFINISHED ⓘ
Great Gable NERFINISHED ⓘ
Helvellyn NERFINISHED ⓘ
Scafell Pike NERFINISHED ⓘ
forms central high fells of the Lake District ⓘ
major part of the central Lake District massif ⓘ
geologicalAge Ordovician NERFINISHED ⓘ
hasEconomicUse source of building stone in the Lake District ⓘ
hasFeature glacially sculpted valleys ⓘ
steep crags and ridges ⓘ
includedIn British Geological Survey mapping of the Lake District NERFINISHED ⓘ
influences landscape character of the Lake District National Park ⓘ
lithology agglomerates ⓘ
andesitic lavas ⓘ
basaltic lavas ⓘ
dacitic lavas ⓘ
ignimbrites ⓘ
rhyolitic lavas ⓘ
tuffs ⓘ
volcaniclastic rocks ⓘ
locatedIn Cumbria ⓘ
England ⓘ
United Kingdom ⓘ
namedAfter Borrowdale NERFINISHED ⓘ
overlies Skiddaw Group NERFINISHED ⓘ
partOf Lake District NERFINISHED ⓘ
recordOf Ordovician volcanic activity in northern England ⓘ
region North West England ⓘ
rockType intermediate to silicic volcanic rocks ⓘ
significance controls topography of central Lake District fells ⓘ
stratigraphicUnitOf English Lake District Basin NERFINISHED ⓘ
studiedIn British regional geology ⓘ
tectonicSetting subduction-related volcanic arc ⓘ
thickness several kilometres ⓘ
underlies Windermere Supergroup NERFINISHED ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Southern Fells → geology → Borrowdale Volcanic Group ⓘ
Ill Crag → geology → Borrowdale Volcanic Group ⓘ
this entity surface form: Borrowdale Volcanic Group rocks
Wetherlam → geology → Borrowdale Volcanic Group ⓘ
this entity surface form: volcanic rocks of the Borrowdale Volcanic Group
Loughrigg Fell → geology → Borrowdale Volcanic Group ⓘ
Eastern Fells → geology → Borrowdale Volcanic Group ⓘ