Geochemical, isotopic, geochronological data and assimilation plus fractional crystallization model of The Pleiades Volcanic Field (Northern Victoria Land, Antarctica)

DOI

This dataset presents a set of geographical, geochemical and isotopic data, microphotos of thin sections and geochemical binary variation diagrams of sixteen samples of volcanic rocks collected in The Pleiades Volcanic Field, Northern Victoria Land, Antarctica (≈ 72° 42’ S; 165° 43’ E), made up of some 20 monogenetic, partly overlapping scoria and spatter cones, erupted in the last 900 ka, cropping out from the ice close to the head of Mariner Glacier.

First two files of dataset (kmz files) contain locations of volcanic centres of The Pleaides Volcanic Fiels and the locations of the collected samples.

File #3 contains analytical results of full major element, trace element and radiogenic (Sr, Nd, Pb) isotopic data of collected samples.

File #4 contains analytical details of Ar-Ar geochronological data.

File #5A and 5B contains modelling results, respectively, of major elements and trace elements-Sr isotope ratios of Assimilation plus Crystal Fractionation (AFC) applied to selected samples of The Pleiades Volcanic Field.

Other files are images containing high-resolution pictures collected through optical microscopy of thin sections of collected samples showing their most important petrographic features and binary geochemical diagrams of variation of major elements and selected trace elements against SiO2 (wt%).

This data are supplement to a manuscript currently submitted to G3 – Geochemistry, Geophysics, Geosystems, and are used to describe the main petrographic and geochemical features of the volcanic products outcropping at the Pleiades, define the characters of their mantle source, to define their evolutionary patterns. Through these data, we observed an unusual fractionation trend for this kind of volcanic fields, with a large assimilation rate of crustal material, ane we hypothesize a role of the thick-ice cap able to suppress the eruption potential and to increase the residence times of magma in crustal chambers.

Identifier
DOI https://doi.org/10.5880/fidgeo.2024.001
Related Identifier IsSupplementTo https://doi.org/10.1029/2024GC011509
Related Identifier Cites https://doi.org/10.1007/s00445-009-0337-z
Related Identifier Cites https://doi.org/10.1016/j.gca.2006.06.1563
Related Identifier Cites https://doi.org/10.1016/S0016-7037(99)00204-5
Related Identifier Cites https://doi.org/10.1016/j.lithos.2015.06.006
Related Identifier Cites http://www.stsn.it/serA108/10TESTOTamponi3B.pdf
Related Identifier Cites https://doi.org/10.1029/GM095p0429
Metadata Access http://doidb.wdc-terra.org/oaip/oai?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:doidb.wdc-terra.org:7915
Provenance
Creator Agostini, Samuele ORCID logo; Leone, Noemi; Smellie, John L. ORCID logo; Rocchi, Sergio ORCID logo
Publisher GFZ Data Services
Contributor Agostini, Samuele; Leone, Noemi; Smellie, John L.; Rocchi, Sergio; Laboratory of Geochronology and Radiogenic Isotope Geochemistry - Pisa1 (IGG-CNR, Italy)
Publication Year 2024
Funding Reference Ministero dell’Istruzione, dell’Università e della Ricerca http://dx.doi.org/10.13039/501100003407 Crossref Funder ID PNRA2013/AZ2.07 ; EPOS JRU ITALIA
Rights CC BY 4.0; http://creativecommons.org/licenses/by/4.0/
OpenAccess true
Contact Agostini, Samuele (Istituto di Geoscienze e Georisorse, Consiglio Nazionale delle Ricerche, Pisa, Italy)
Representation
Resource Type Dataset
Discipline Geology; Geosciences; Geospheric Sciences; Natural Sciences
Spatial Coverage (165.350W, -72.760S, 165.800E, -72.600N); NVL, Antarctica, 900 ka-present