Easter hotspot
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The Easter hotspot is a volcanic hotspot located in the southeastern Pacific Ocean. The hotspot created the Sala y Gómez Ridge which includes Easter Island, Salas y Gómez Island and the Pukao Seamount which is at the ridge's young western edge. Easter Island, because of its tectonomagmatic features (low eruptive rate, scattered rift zones, and scarce lateral collapses), represents an end-member type[further explanation needed] of hotspot volcano in this chain.[1]
The hotspot may also be responsible for the formation of the Tuamotu Archipelago, Line Islands, and the chain of seamounts lying in between.[2]
See also
[edit]References
[edit]- ^ Vezzoli, Luigina; Acocella, Valerio (1 May 2009). "Easter Island, SE Pacific: An end-member type of hotspot volcanism". GSA Bulletin. 121 (5–6): 869–886. Bibcode:2009GSAB..121..869V. doi:10.1130/B26470.1. ISSN 0016-7606.
- ^ W. J. Morgan (1971). "Convection Plumes in the Lower Mantle". Nature. 230 (5288): 42–43. Bibcode:1971Natur.230...42M. doi:10.1038/230042a0. S2CID 4145715.
External links
[edit]- Haase, Karsten M.; Peter Stoffers; C. Dieter Garbe-Schönberg (October 1997). "The Petrogenetic Evolution of Lavas from Easter Island and Neighbouring Seamounts, Near-ridge Hotspot Volcanoes in the SE Pacific". Journal of Petrology. 38 (6): 785–813. doi:10.1093/petrology/38.6.785.
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