What are the major and trace elements used to fingerprint mantle sources?

Jan 30, 2025 ... Instead, the Hawaiian Islands are what's called a volcanic hotspot. A single point where volcanoes form. The giveaway is that as you move from ... Oct 23, 2024 ... A global study of lavas from volcanic hot spots suggests that contrary to accepted wisdom, Earth's deep mantle may have the same composition ... Apr 12, 2017 ... As the plate moves west-northwest, each volcano moves with it from its place of origin above the hot spot. The age and orientation of the ... Mantle plumes and volcanic hotspots, distribution of hotspots, distribution of hotspots (Credits: K. Cantner, Earth Magazine), hotspot volcano chain Reunion. The southeastern extension of the Austral Islands volcanic chain terminates near 29°S, 140°W at the active Macdonald Seamount. The 'hotspot' region near ... A hotspot is a small area within the mantle which is of a higher temperature than the area surrounding it, and is usually associated with volcanic activity. Non-hotspot volcano chains originating from small-scale sublithospheric convection. M. D. Ballmer,1 J. van Hunen,2 G. Ito,3 P. J. Tackley,1 and T. A. Bianco3. 9. Rift Volcanoes: aftermath of the Yellowstone hot spot. Exotic Terranes. After setting off the eruption of the Columbia River Basalt ... ... hotspot volcanoes, Earth Plan. Sci. Lett., 60, 195–206. Article Google ... (1991) Volcano spacing and plate rigidity, Geology, 19, 397–400. Article ... Jul 2, 2013 ... But volcanoes and seismic hazards exist, too, in the interior of tectonic plates. The Hawaiian Islands, for example, sit well within the ...