THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO)
Mineralogical and geochemical study was performed on peridotite xenolith hosted by amygdaline basalts of Lanzarote Island (Canary archipelago). Their modal composition corresponds to harzburgite. Remarkably, the petrographic composition of the rocks is marked by presence of plagioclase. The isochron...
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Russian Academy of Sciences, Siberian Branch, Institute of the Earth's crust
2022-10-01
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| Series: | Геодинамика и тектонофизика |
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| Online Access: | https://www.gt-crust.ru/jour/article/view/1558 |
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| author | V. A. Krylova I. F. Gertner G. Gutiérrez-Alonso |
| author_facet | V. A. Krylova I. F. Gertner G. Gutiérrez-Alonso |
| author_sort | V. A. Krylova |
| collection | DOAJ |
| description | Mineralogical and geochemical study was performed on peridotite xenolith hosted by amygdaline basalts of Lanzarote Island (Canary archipelago). Their modal composition corresponds to harzburgite. Remarkably, the petrographic composition of the rocks is marked by presence of plagioclase. The isochron shows the age of 267±35 Ma, which might be the initial stage of opening a fragment of the Atlantic Ocean. The peridotites were apparently derived in the magmatic chamber formed by "underplating" triggered by interaction of mantle substrate with the lower crust material. |
| format | Article |
| id | doaj-art-e00db1c6569b4dacb4fedbb3b5effc9d |
| institution | Kabale University |
| issn | 2078-502X |
| language | English |
| publishDate | 2022-10-01 |
| publisher | Russian Academy of Sciences, Siberian Branch, Institute of the Earth's crust |
| record_format | Article |
| series | Геодинамика и тектонофизика |
| spelling | doaj-art-e00db1c6569b4dacb4fedbb3b5effc9d2025-08-20T03:37:06ZengRussian Academy of Sciences, Siberian Branch, Institute of the Earth's crustГеодинамика и тектонофизика2078-502X2022-10-0113410.5800/GT-2022-13-4-0663663THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO)V. A. Krylova0I. F. Gertner1G. Gutiérrez-Alonso2National Research Tomsk State UniversityNational Research Tomsk State UniversityNational Research Tomsk State University; University of SalamancaMineralogical and geochemical study was performed on peridotite xenolith hosted by amygdaline basalts of Lanzarote Island (Canary archipelago). Their modal composition corresponds to harzburgite. Remarkably, the petrographic composition of the rocks is marked by presence of plagioclase. The isochron shows the age of 267±35 Ma, which might be the initial stage of opening a fragment of the Atlantic Ocean. The peridotites were apparently derived in the magmatic chamber formed by "underplating" triggered by interaction of mantle substrate with the lower crust material.https://www.gt-crust.ru/jour/article/view/1558xenolithsultrabasic rocksisotopic composition of mineralsgeochronological agegeochemistry of rock-forming mineralscanary archipelago |
| spellingShingle | V. A. Krylova I. F. Gertner G. Gutiérrez-Alonso THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO) Геодинамика и тектонофизика xenoliths ultrabasic rocks isotopic composition of minerals geochronological age geochemistry of rock-forming minerals canary archipelago |
| title | THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO) |
| title_full | THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO) |
| title_fullStr | THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO) |
| title_full_unstemmed | THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO) |
| title_short | THE NATURE OF ULTRAMAFIC XENOLITHS IN THE BASALTS OF LANZAROTE ISLAND (CANARY ARCHIPELAGO) |
| title_sort | nature of ultramafic xenoliths in the basalts of lanzarote island canary archipelago |
| topic | xenoliths ultrabasic rocks isotopic composition of minerals geochronological age geochemistry of rock-forming minerals canary archipelago |
| url | https://www.gt-crust.ru/jour/article/view/1558 |
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