Hogland Series

http://dbpedia.org/resource/Hogland_Series an entity of type: TelevisionShow

The Hogland Series are a series of Subjotnian sedimentary rocks exposed in the island of Gogland (Swedish: Hogland), the Sommer Islands and the nearby sea bottom in the Gulf of Finland. The series encompass quartz-rich conglomerates and breccias plus some volcanic rocks of mafic composition in the form of lava flows and some more silica-rich igneous rocks including quartz-porphyry. The porphyries, which lie at the top the pile, share their origin with the rapakivi granites found nearby. An exhumed Subjotnian erosion surface is exposed on the island. rdf:langString
rdf:langString Hogland Series
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rdf:langString Location of Gogland within the Baltic Sea.
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rdf:langString The Hogland Series are a series of Subjotnian sedimentary rocks exposed in the island of Gogland (Swedish: Hogland), the Sommer Islands and the nearby sea bottom in the Gulf of Finland. The series encompass quartz-rich conglomerates and breccias plus some volcanic rocks of mafic composition in the form of lava flows and some more silica-rich igneous rocks including quartz-porphyry. The porphyries, which lie at the top the pile, share their origin with the rapakivi granites found nearby. An exhumed Subjotnian erosion surface is exposed on the island.
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