Geochemistry of the lava and its implications in Musicians Seamounts

Chuanshun Li; Yucheng Pan; Anchun Li; Batiza Rodey

doi:10.1007/s00343-008-0459-8

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Geochemistry of the lava and its implications in Musicians Seamounts

Updated：2023-05-16

- Geochemistry of the lava and its implications in Musicians Seamounts
- Journal of Oceanology and Limnology Vol. 26, Issue 4, Pages: 459-468(2008)
- Affiliations：
  
  1. Key Laboratory of Marine Geology and Environment Institute of Oceanology Chinese Academy of Sciences
  2. Graduate School Chinese Academy of Sciences
  3. Department of Geology and Geophysics University of Hawaii
- Author bio：
- Funds：
- DOI：10.1007/s00343-008-0459-8
  CLC：
- Online First：23 January 2009，
  
  Published：2008
- Accepted：
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Li, C., Pan, Y., Li, A. et al. Geochemistry of the lava and its implications in Musicians Seamounts., Chin. J. Ocean. Limnol. 26, 459–468 (2008). https://doi.org/10.1007/s00343-008-0459-8
DOI：

Li, C., Pan, Y., Li, A. et al. Geochemistry of the lava and its implications in Musicians Seamounts., Chin. J. Ocean. Limnol. 26, 459–468 (2008). https://doi.org/10.1007/s00343-008-0459-8 DOI：

摘要

Abstract

Chemical and isotopic data of the lava samples dredged in the southern Bach Ridge and the northern Italian Ridge of the Musicians Seamounts province

northeast of Hawaii. Although most of the samples analyzed are generally altered

a few are fresh. The latter exhibits similar geochemical and isotopic characteristics to normal MORB (Mid-Ocean Ridge Basalts). There are systematic geochemical trends from hotspot to mid-ocean ridge in the province. Incompatible element and isotopic variations suggest that the flow field had at least two distinct parental magmas

one with higher and one with lower MgO concentrations. The two parental magmas could be related by a magma mixing model. The major and trace element modeling shows that the two parental magmas could not have been produced by different degrees of melting of a homogeneous mantle source

but they are consistent with melting of a generally depleted mantle containing variable volumes of embedded enriched heterogeneity enriched interbeds.

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references

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