About: Gharyan volcanic field

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Gharyan volcanic field is a volcanic field in northwestern Libya, with the towns of Bani Walid, Gharyan, Mizdah and Tarhunah close by. Gharyan is one among several intraplate volcanic fields in Africa, which include Haruj, Hoggar, Jebel Marra and Tibesti. They are linked either with crustal domes or rifts and appear to be the consequence of lithosphere-mantle processes such as mantle plumes. Haruj and Wau en Namus in Libya may be still active.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Mountain schema:Place natural place Mountain geo:SpatialThing mountain
rdfs:label	Gharyan volcanic field (en)
rdfs:comment	Gharyan volcanic field is a volcanic field in northwestern Libya, with the towns of Bani Walid, Gharyan, Mizdah and Tarhunah close by. Gharyan is one among several intraplate volcanic fields in Africa, which include Haruj, Hoggar, Jebel Marra and Tibesti. They are linked either with crustal domes or rifts and appear to be the consequence of lithosphere-mantle processes such as mantle plumes. Haruj and Wau en Namus in Libya may be still active. (en)
geo:lat	32.000000 (xsd:float)
geo:long	13.250000 (xsd:float)
dcterms:subject	Miocene volcanoes Pleistocene volcanoes Volcanoes of Libya Eocene volcanoes
Wikipage page ID	57394514 (xsd:integer)
Wikipage revision ID	1017217543 (xsd:integer)
Link from a Wikipage to another Wikipage	Alkali basalt Lithosphere Limestone Eocene Gharyan Laccolith Libya Mantle plume Bani Walid Waw an Namus Hawaiite Lava dome Miocene volcanoes Pleistocene volcanoes Basaltic andesite Basanite Graben Rift Haruj Volcanoes of Libya Tephrite Eocene volcanoes Lava flow Volcanic field Dome Age of Reptiles Earth's mantle Shield volcano Phonolite Hoggar Intraplate Jebel Marra Tarhunah Tholeiite Tibesti Potassium-argon dating Mizdah
Link from a Wikipage to an external page	http://sp.lyellcollection.org/content/293/1/253%7Clanguage=en%7Cissn=0305-8719
sameAs	Gharyan volcanic field Gharyan volcanic field
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elevation m	850 (xsd:integer)
georss:point	32.0 13.25
has abstract	Gharyan volcanic field is a volcanic field in northwestern Libya, with the towns of Bani Walid, Gharyan, Mizdah and Tarhunah close by. Gharyan is one among several intraplate volcanic fields in Africa, which include Haruj, Hoggar, Jebel Marra and Tibesti. They are linked either with crustal domes or rifts and appear to be the consequence of lithosphere-mantle processes such as mantle plumes. Haruj and Wau en Namus in Libya may be still active. The field has covered an area of about 3,000 square kilometres (1,200 sq mi) with lava domes, lava flows and volcanic cones such as the shield volcanoes Ras el-Mohor and Ras Tebra. Exposed laccoliths are also common in some parts of the field, such as Kaf El Khalef, Kaf El Tekut, Kaf Mantrus, Kaf el-Tuam and Ras Tuint-Rabib. The location of these vents appears to be controlled by a neighbouring graben and tectonic fractures. The volcanic field developed on a basement formed by Mesozoic limestones. The field has erupted basanite and phonolite with a total volume of about 350 cubic kilometres (84 cu mi), additional volcanic rocks are basaltic andesite, hawaiite and tephrite. Basaltic rocks range from alkali basalt to tholeiite. Potassium-argon dating has yielded an age of about 12 to 1 million years ago for the field; activity commenced in the Eocene with the basaltic plateau and continued in the late Eocene and later with lava domes and individual volcanoes. Volcanic activity has been subdivided in several separate cycles. (en)
schema:sameAs	http://viaf.org/viaf/238103591
prov:wasDerivedFrom	wikipedia-en:Gharyan_volcanic_field?oldid=1017217543&ns=0
page length (characters) of wiki page	3923 (xsd:nonNegativeInteger)
elevation (μ)	850.000000 (xsd:double)
foaf:isPrimaryTopicOf	wikipedia-en:Gharyan_volcanic_field
geo:geometry	POINT(13.25 32)
is Link from a Wikipage to another Wikipage of	Gharian volcanic field Haruj List of volcanoes in Libya
is Wikipage redirect of	Gharian volcanic field
is foaf:primaryTopic of	wikipedia-en:Gharyan_volcanic_field

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