The radiometric age of the basalts is approx 80 m.y. Strong geochemical and mineralogical differences reveal two types of basalts: one is quartz-normative whilst four alkali basalts are nepheline-normative. (Preceding abstracts)-K.A.R.
CITATION STYLE
Bellon, H., Maury, R. C., Joron, J. L., Bourgois, J., & Aubouin, J. (1985). Geochemistry, mineralogy, and 40K-40Ar radiometric dating of Leg 84 basalts - Guatemala trench. Initial Reports of the D.S.D.P., 84, 655–663. https://doi.org/10.2973/dsdp.proc.84.122.1985
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