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Oppenheim, M. J. (1968) On the electrolysis of molten basalt. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (284) 1104-1122 doi:10.1180/minmag.1968.036.284.07

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Reference TypeJournal (article/letter/editorial)
TitleOn the electrolysis of molten basalt
JournalMineralogical Magazine and Journal of the Mineralogical Society
AuthorsOppenheim, M. J.Author
Year1968 (December)Volume36
Issue284
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_36/36-284-1104.pdf+
DOIdoi:10.1180/minmag.1968.036.284.07Search in ResearchGate
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Mindat Ref. ID6207Long-form Identifiermindat:1:5:6207:1
GUID0
Full ReferenceOppenheim, M. J. (1968) On the electrolysis of molten basalt. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (284) 1104-1122 doi:10.1180/minmag.1968.036.284.07
Plain TextOppenheim, M. J. (1968) On the electrolysis of molten basalt. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (284) 1104-1122 doi:10.1180/minmag.1968.036.284.07
In(1966) Mineralogical Magazine Vol. 36 (284) Mineralogical Society
Abstract/NotesSummaryThe effects to be expected from the interaction of possible electric currents at depth with bodies of basaltic magma have been investigated experimentally. Trough-shaped molten specimens were produced in the surface of basalt blocks by heating from above ; the melts were electrolysed and the products analysed chemically.Si, Al, Ti, P, Fe2+, and probably Fe3+ are concentrated towards the anode, apparently in the form of drifting lattice remnants; oxygen gas is liberated. Na, K, Ca, Mn, and Mg ions concentrate towards the cathode.Relatively to basalt, the cathodic product is an alkaline and femic rock with normative nepheline and a more acid plagioclase. The anodic rock is distinctly calc-alkaline and salic, with normative quartz and a plagioclase that is more basic. The precise ‘rock-type’ developed depends on the amount of electricity passed, but the trends are distinct. In that increasing basicity and alkalinity (cathodic rocks) are accompanied by both increasing Na/K and Mg/(Fe2+ + Fe3+) ratios (which ratios decrease with decreasing basicity and alkalinity) the electrolytic series developed from a basalt magma appears to have few counterparts among natural rocks.


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