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The paper discusses briefly the trend of fractionation exhibited by basaltic lavas of three dated Kilauea eruptions, the suite of 1921 in Kilauea Caldera and the suite of the 1840 and 1955 flank eruptions of Kilauea in the east rift zone. The trend revealed is graphically indicated in terms of iron/magnesium and alkali enrichment.
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C. E. Tilley (1960) studied this question.
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