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The Jan Mayen Microcontinent is a fragment of continental crust within the oceanic part of the western Eurasian Plate lying northeast of Iceland. At the onset of separation between the Greenland and Eurasian plates 55 million years ago, it formed part of the eastern margin of the Greenland Plate.
Jan Mayen was formed by the Jan Mayen hotspot and is defined by geologists as a microcontinent. [2] Although administered separately, in the ISO 3166-1 standard, Jan Mayen and Svalbard are collectively designated as Svalbard and Jan Mayen, with the two-letter country code "SJ".
Mar 16, 2022 · Seismic Volcanostratigraphy: The Key to Resolving the Jan Mayen Microcontinent and Iceland Plateau Rift Evolution - Blischke - 2022 - Geochemistry, Geophysics, Geosystems - Wiley Online Library. Geochemistry, Geophysics, Geosystems. Volume 23, Issue 4 e2021GC009948. Research Article.
- 2
- 23, Issue4
- 16 March 2022
Feb 1, 1998 · The Jan Mayen Ridge and surrounding area are considered to be a fragment of a continent which was separated from Greenland just prior to magnetic anomaly 6. This study presents the crustal structure of the Jan Mayen microcontinent and the ocean/continent transition to the west of the Jan Mayen Ridge.
- Shuichi Kodaira, Rolf Mjelde, Karl Gunnarsson, Hajime Shiobara, Hideki Shimamura
- 1998
The Jan Mayen microcontinent (JMMC) is a structural entity encompassing the Jan Mayen Ridge and the surrounding area, including the Jan Mayen Basin, the Jan Mayen Basin South, the Jan Mayen Trough and the Southern Ridge Complex (SRC) (Fig. 1; Table 1).
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Feb 25, 2012 · The Jan Mayen microcontinent was as a result of two major North Atlantic evolutionary cornerstones—the separation of Greenland from Norway (~54 Ma), accompanied by voluminous volcanic activity, and the jump of spreading from the Aegir to the Kolbeinsey ridge (~33 Ma), which resulted in the separation of the microcontinent itself from Eastern ...
Structure and evolution of the Jan Mayen Microcontinent –SEGMENT –MSM67 Results and Interpretation The line extends from oceanic crust in the Norway Basin, across the microcontinent and into oceanic crust that formed at the presently active mid-oceanic Kolbeinsey Ridge. Key results from the seismic investigations:
