Mössbauer studies of Volhynian basalts

N. Bakun-Czubarow , J. Milczarski , Jolanta Gałązka-Friedman , Karol Szlachta , S. Forder

Abstract

The Volhynian basalts studied belong to the effusive-tuffogenic Volhynian Series (Sławatycze Series in Poland), being the large Ediacaran continental igneous province, that covers an area of 200 000 km2 in the western margin of East European Craton. The series is underlain by the Cryogenian terrigenous Polesie Series with doleritic sills and dikes. The Volhynian Series consists of the rock beds belonging to the three volcanic cycles with different ratios of flood basalts to pyroclastics. The aim of the study was recognition of primary and secondary Fe-bearing minerals, particularly Fe-and Fe-Ti oxides as well as determination of iron oxidation state, that is an important tool in the search for native copper deposits in these rocks. For Mössbauer studies the following rock samples were chosen: the Polesie Series dolerites, the Volhynian Series basalts from the Ukrainian quarries and drill-holes, e.g.from the Volodymir Volhynskaya drilling hole; the Sławatycze Series basalts from Kaplonosy drill-hole in Poland. In the Kaplonosy basalts the content of magnetite decreases with depth, which may be caused by magma differentiation due to fractional crystallization, when Mg content decreases as Ti and Fe - increases in basic magma. In the Kaplonosy basalts the Fe2+/Fe3+ ratio increases with depth, which points to the increase of iron oxidation with the progress of basaltic magma differentiation.
Author N. Bakun-Czubarow
N. Bakun-Czubarow,,
-
, J. Milczarski
J. Milczarski,,
-
, Jolanta Gałązka-Friedman (FP / SRD)
Jolanta Gałązka-Friedman,,
- Structural Research Division
, Karol Szlachta (FP / HPRD)
Karol Szlachta,,
- High Pressure Research Division
, S. Forder
S. Forder,,
-
Journal seriesActa Physica Polonica A, ISSN 0587-4246, (A 15 pkt)
Issue year2011
Vol119
No1
Pages7-9
Keywords in EnglishBasaltic magma; Belong to; Drilling holes; East-European craton; Ediacaran; Flood basalt; Fractional crystallization; Igneous province; Iron oxidation; Iron oxidation state; Magma differentiation; Mg content; Mossbauer; Pyroclastics; Rock sample; Ti oxides, Copper deposits; Copper oxides; Drills; Iron deposits; Iron ores; Oxidation; Paraffin waxes; Rock drilling, Basalt
URL http://www.scopus.com/inward/record.url?eid=2-s2.0-78651477558&partnerID=40&md5=3e5bf241d3989c10158998327f1a2941
Languageen angielski
Score (nominal)15
Publication indicators WoS Impact Factor: 2011 = 0.444 (2) - 2011=0.404 (5)
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