Abstract
A 571.5 m lava pile and a 209 m transition zone of lavas and dykes were penetrated to test 295 m of sheeted dyke complex. The geochemical data for major and trace elements are tabulated; two magma types are implied. The data suggest a heterogeneous mantle under the Costa Rica rift.-K.A.R.
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CITATION STYLE
APA
Emmermann, R. (1985). Basement geochemistry, hole 504B. Initial Reports of the D.S.D.P., 83, 183–199. https://doi.org/10.2973/dsdp.proc.83.106.1985
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