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Use and Abuse of the Terms Calcalkaline and Calcalkalic

Arculus, Richard


The terms calcalkalic and calcalkalic are currently defined and used in multiple and non-equivalent ways. Generally, the variation of total Fe as FeO/MgO within evolving subalkaline rock suites is regarded as the most distinctive character of calcalkaline compared with tholeiitic suites, reflecting the relative timing of phase saturation with Fe-Ti oxides, plagioclase, and ferromagnesian silicates. Other classification schemes are widely used, including a minority of adherents to the original...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Journal of Petrology


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