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Showing 1 to 2 of 2 for “"Plume Track"”.
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Space-Time Analysis of Magmatism: Evidence for a Early Cryogenian Plume Track in Eastern Laurentia
… that these plutons represent a continental plume track similar to the White Mountain Magma Series. Plume head arrival ages of 765 to 754 Ma in the southern part of the region are measurably older than 735 to 705 Ma observed in the north, and yield a plate motion rate of ~2 cm/year.
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Using Crustal Thickness Modeling to study Mars' Crustal and Mantle Structures
… Crustal thickness and gravity misfit maps show a plume-like track from the South Pole to the Tharsis Rise region, consistent with the theory proposed by Zhong (2010) on a mantle plume track. A ring-like feature in the misfit maps resembles a regional-scale impact crater that may have created the …