Isotopic composition of igneous rocks from DSDP Site 462, supplement to: Castillo, Paterno R; Carlson, R W; Batiza, Rodey (1991): Origin of Nauru Basin igneous complex: Sr, Nd and Pb isotope and REE constraints. Earth and Planetary Science Letters, 103(1-4), 200-213

Paterno R Castillo, R W Carlson & Rodey Batiza
The tholeiitic basalts and microdolerites that comprise the Cretaceous igneous complex in the Nauru Basin in the western equatorial Pacific have moderate ranges in initial 87Sr/86Sr (0.70347 - 0.70356), initial 143Nd/144Nd (0.51278 - 0.51287), and measured 206Pb/204Pb (18.52 - 19.15), 207Pb/204Pb (15.48 - 15.66) and 208Pb/204Pb (38.28 - 38.81). These isotopic ratios overlap with those of both oceanic island basalts (OIB) and South Atlantic and Indian mid-ocean ridge basalts (MORB). However, the petrography, mineralogy, and...
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