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).
REGIONALGEOLOGY Sulawesi Island has been known as one of the most complex islands in term of its geological setting in the western Pacific region.
The chronology of this sedimentological and O isotope transition is, however, poorly constrained by fossil evidence.
Rb Sr dating of glauconitic pellets indicates that the lower part of the glauconitic subunit was deposited 11.6 ± 0.2 Ma ago.
This report extracts all available information about Neogen SA from EMIS' database of company information.
The Table of Contents on the right indicates the categories of information that will be included in your report upon purchase.
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.