Comparative geochemistry of the basalts from Vesuvius and Batur volcanoes

Sedimentary rocks can form both directly during eruptions and the destruction of effusive rocks. They can inherit the geochemical features of parent rocks. Therefore, the study of trace elements of the effusives is significant for the interpretation of the erosion source. This work provides informat...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2020-05, Vol.516 (1), p.12006
Main Authors: Kadyrov, R, Minibaeva, E
Format: Article
Language:English
Subjects:
Anomalies
Atomic properties
Basalt
Chemical elements
Effusives
Emission analysis
Eruptions
Geochemistry
Inductively coupled plasma mass spectrometry
Lithosphere
Magma
Mass spectrometry
Mass spectroscopy
Sedimentary rocks
Spectral analysis
Spectrum analysis
Trace elements
Volcanoes
Zirconium
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Summary:Sedimentary rocks can form both directly during eruptions and the destruction of effusive rocks. They can inherit the geochemical features of parent rocks. Therefore, the study of trace elements of the effusives is significant for the interpretation of the erosion source. This work provides information about trace element geochemistry of basalts from Vesuvius and Batur volcanoes, which are located at different ends of the Mediterranean-Alpine-Himalayan folded belt and represented by alkaline (subalkaline) type of magmas. The comparison of trace element concentration obtained by atomic emission spectral analysis and inductively coupled plasma mass spectrometry showed strong differences for a number of elements. Magma of Vesuvius, originating from a deep source, assimilated in its path the core material, which led to the eruption of lavas of the type EM I with high concentrations of Ba, Be, Cs, La, Rb, Mo, U, W, Zr. Batur relates to subduction arc volcanoes with the characteristic type of lavas HIMU, which are depleted of listed above chemical elements and enriched Bi. The basalts of these volcanoes have similar anomalies of the geochemical composition for most trace elements, suggesting that they have one close source that can be presented by subduction-modified oceanic lithosphere involved in generation of both HIMU and EM types.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/516/1/012006