Citation:

PANGAEA.726276

Name: Chemical and isotopic compositions of rocks and minerals from the Franz Josef Land Archipelago
Published: 2006
License: https://creativecommons.org/licenses/by/3.0/

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Published: 2006 (exact date unknown) • DOI registered: 2009-08-27

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Abstract:

Rb, Sr, Sm, Nd, U, and Pb contents and Sr, Nd, and Pb isotopic composition were determined in tholeiite and subalkaline basalts (in both whole-rock samples and individual minerals) from the Franz Josef Land Archipelago. Isotopic data obtained for the Arctic basin are similar to those for islands from the Pacific, Atlantic, and Indian oceans. The assimilation of crustal (sedimentary) rocks by primary depleted material makes isochron determination of basalt age difficult or impossible. The subalkaline basalts (basaltic andesites) were presumably formed by the metasomatic introduction of incompatible elements in tholeiitie basalts and, only partially, through crustal contamination and fractional crystallization.

Related to:

Levsky, L K; Stolbov, N M; Bogomolov, E S; Vasil'eva, I M; Makar'eva, E M (2006): Sr-Nd-Pb isotopic systems in basalts of the Franz Josef Land Archipelago. Geochemistry International, 44(4), 327-337, https://doi.org/10.1134/S0016702906040021

Project(s):

Archive of Ocean Data (ARCOD)

Coverage:

Median Latitude: 80.579794 * Median Longitude: 54.081852 * South-bound Latitude: 80.070000 * West-bound Longitude: 46.070000 * North-bound Latitude: 81.830000 * East-bound Longitude: 59.620000

Event(s):

2035-1 * Latitude: 80.450000 * Longitude: 50.000000 * Location: Franz Josef Land

2134-1 * Latitude: 80.070000 * Longitude: 50.250000 * Location: Franz Josef Land

2322-1 * Latitude: 81.100000 * Longitude: 58.250000 * Location: Franz Josef Land

Comment:

Positions of the sites are given only on a map in the paper. They were approximated with use of Google Map. Positions of the sites from small islands (Albatros, Brosch, Matilda, Nezametny, Querini, Windward) were approximated from topographic maps of the Franz Josef Land Archipelago.

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

3 datasets

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Datasets listed in this publication series

Levsky, LK; Stolbov, NM; Bogomolov, ES et al. (2006): (Table 1) U-Pb isotopic data on rocks and minerals from the Franz Josef Land Archipelago. https://doi.org/10.1594/PANGAEA.726057
Levsky, LK; Stolbov, NM; Bogomolov, ES et al. (2006): (Table 2) Sm-Nd data on rocks and minerals from the Franz Josef Land Archipelago. https://doi.org/10.1594/PANGAEA.726058
Levsky, LK; Stolbov, NM; Bogomolov, ES et al. (2006): (Table 3) Rb-Sr data on rocks and minerals from the Franz Josef Land Archipelago. https://doi.org/10.1594/PANGAEA.726059