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- Skaergaard_intrusion abstract "The Skaergaard intrusion is a layered igneous intrusion in East Greenland. It comprises various rock types including gabbro, ferro diorite, anorthosite and granophyre. Discovered by Lawrence Wagerin 1931 during the British Arctic Air Route Expedition led by Gino Watkins, the intrusion has been important to the development of key concepts in igneous petrology, including magma differentiation and fractional crystallisationand the development of layering.The Skaergaard intrusion formed when tholeiitic magma was emplaced about 55 million years ago,during the initial opening of the North Atlantic Ocean. The body represents essentially a single pulse of magma, which crystallized from the bottom upward and the top downward. The intrusion is characterized by exceptionally well-developed cumulate layering defined by variations in the abundance of crystallizing olivine, pyroxene, plagioclase and magnetite. The Skaergaard is perhaps the simplest and smallest of a group of gabbroic complexes of similar age that occur along the central coast of East Greenland, which together with coeval flood basalts are part of the North Atlantic large igneous province.".
- Skaergaard_intrusion wikiPageExternalLink www.skaergaard.org.
- Skaergaard_intrusion wikiPageID "15088879".
- Skaergaard_intrusion wikiPageRevisionID "545094740".
- Skaergaard_intrusion hasPhotoCollection Skaergaard_intrusion.
- Skaergaard_intrusion subject Category:Arctic_research.
- Skaergaard_intrusion subject Category:Geology_of_Greenland.
- Skaergaard_intrusion subject Category:Layered_intrusions.
- Skaergaard_intrusion point "68.1683 -31.7169".
- Skaergaard_intrusion type Abstraction100002137.
- Skaergaard_intrusion type ChangeOfLocation107311115.
- Skaergaard_intrusion type Entrance107370125.
- Skaergaard_intrusion type Event100029378.
- Skaergaard_intrusion type Happening107283608.
- Skaergaard_intrusion type Invasion107429976.
- Skaergaard_intrusion type LayeredIntrusions.
- Skaergaard_intrusion type Movement107309781.
- Skaergaard_intrusion type PsychologicalFeature100023100.
- Skaergaard_intrusion type YagoPermanentlyLocatedEntity.
- Skaergaard_intrusion type SpatialThing.
- Skaergaard_intrusion comment "The Skaergaard intrusion is a layered igneous intrusion in East Greenland. It comprises various rock types including gabbro, ferro diorite, anorthosite and granophyre.".
- Skaergaard_intrusion label "Intrusión de Skaergaard".
- Skaergaard_intrusion label "Skaergaard intrusion".
- Skaergaard_intrusion label "Skaergaard".
- Skaergaard_intrusion label "スケアガード岩体".
- Skaergaard_intrusion sameAs Intrusión_de_Skaergaard.
- Skaergaard_intrusion sameAs スケアガード岩体.
- Skaergaard_intrusion sameAs Skaergaard.
- Skaergaard_intrusion sameAs m.03hh1wv.
- Skaergaard_intrusion sameAs Q1970121.
- Skaergaard_intrusion sameAs Q1970121.
- Skaergaard_intrusion sameAs Skaergaard_intrusion.
- Skaergaard_intrusion lat "68.1683".
- Skaergaard_intrusion long "-31.7169".
- Skaergaard_intrusion wasDerivedFrom Skaergaard_intrusion?oldid=545094740.
- Skaergaard_intrusion isPrimaryTopicOf Skaergaard_intrusion.