On any rocky planet, which of the following happens within a crystallising basaltic magma chamber?

Question

Answer

FeNi metal sinks, but plagioclase and olivine
float.

Answer

FeNi metal sinks fastest, and both olivine and plagioclase also sink.

Answer

FeNi metal sinks fastest, olivine also sinks and plagioclase floats.

Answer

Olivine sinks fastest, and both FeNi metal and plagioclase also sink.

Answer

Olivine sinks fastest, FeNi metal also sinks and plagioclase floats.

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