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Further geochronological evidence, derived from the Sr and C isotopic compositions of foraminifera compared with known seawater-time variations, indicates that the lower pelagic clays are early to middle Miocene, deposited at a mean rate of ∼ 15 m/Ma.
The glauconitic subunit contains part of the middle Miocene and probably all of the late Miocene in a condensed sequence with a very low mean depositional rate (∼ 0.2 m/Ma).
This study was conducted with the aim of describing geochemical composition variation of the granitic rocks from Sulawesi and distinguishing their tectonic environment by using some established discrimination diagram.
It was further an objective to determine the geochemical model which can be used in regional exploration.
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