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- Borrowdale_Volcanic_Group abstract "The Borrowdale Volcanic Group is a group of igneous rock formations named after the Borrowdale area of the Lake District, in England. They are late Ordovician in age (roughly 450 million years old). It is thought that they represent the remains of a volcanic island arc, approximately similar to the island arcs of the west Pacific today. This developed as oceanic crust to the (present) north-west and was forced by crustal movement under a continental land-mass to the present south-east. Such forcing under, as two plates meet, is termed subduction. This land-mass has been named Avalonia by geologists. It is now incorporated into England and Wales and a sliver of North America.At that time the rocks that now comprise most of Scotland (and part of the northern Irish landmass) were not attached to Avalonia. They were separated by an ocean, called the Iapetus Ocean by geologists. The line of joining, or suture, is approximately under the Solway Firth and Cheviot Hills. In the Lake District, the junction between the early Ordovician series, Skiddaw Slate, and the Borrowdale Volcanic that was forced under it, can be seen on the slopes of Fleetwith Pike.In the English Lake District, the Borrowdale Volcanic Group is composed of lavas (mainly andesites), tuffs and agglomerates, along with some major igneous intrusions. These rocks of the Borrowdale Volcanic Group give rise to dramatic scenery. The mountainous nature of the area, its high rainfall and the relative impermeability of the rock give rise to a high risk of storm flooding as demonstrated by the 2009 flooding of Cockermouth.The group underlies the Windermere Supergroup.".
- Borrowdale_Volcanic_Group wikiPageID "1744925".
- Borrowdale_Volcanic_Group wikiPageRevisionID "466785048".
- Borrowdale_Volcanic_Group hasPhotoCollection Borrowdale_Volcanic_Group.
- Borrowdale_Volcanic_Group subject Category:Geological_groups.
- Borrowdale_Volcanic_Group subject Category:Geology_of_Cumbria.
- Borrowdale_Volcanic_Group subject Category:Ordovician_volcanism.
- Borrowdale_Volcanic_Group subject Category:Volcanic_groups.
- Borrowdale_Volcanic_Group subject Category:Volcanism_of_England.
- Borrowdale_Volcanic_Group type Abstraction100002137.
- Borrowdale_Volcanic_Group type GeologicalGroups.
- Borrowdale_Volcanic_Group type Group100031264.
- Borrowdale_Volcanic_Group type VolcanicGroups.
- Borrowdale_Volcanic_Group comment "The Borrowdale Volcanic Group is a group of igneous rock formations named after the Borrowdale area of the Lake District, in England. They are late Ordovician in age (roughly 450 million years old). It is thought that they represent the remains of a volcanic island arc, approximately similar to the island arcs of the west Pacific today. This developed as oceanic crust to the (present) north-west and was forced by crustal movement under a continental land-mass to the present south-east.".
- Borrowdale_Volcanic_Group label "Borrowdale Volcanic Group".
- Borrowdale_Volcanic_Group sameAs m.05sngl.
- Borrowdale_Volcanic_Group sameAs Q4946620.
- Borrowdale_Volcanic_Group sameAs Q4946620.
- Borrowdale_Volcanic_Group sameAs Borrowdale_Volcanic_Group.
- Borrowdale_Volcanic_Group wasDerivedFrom Borrowdale_Volcanic_Group?oldid=466785048.
- Borrowdale_Volcanic_Group isPrimaryTopicOf Borrowdale_Volcanic_Group.