Summary
Large igneous provinces are features in which massive volumes of magma are emplaced over a short period of time. Ontong Java Nui is a massive large igneous province in the Pacific basin that formed ~119 million years ago and may have been the driver of a global anoxia event in the ocean basins. This project will conduct high-resolution age experiments on lavas from Ontong Java Nui. The results will confirm whether the eruptions happened at the same time as the global anoxia event and thus may have been its cause. The results will clarify how large volcanic events can alter ocean chemistry and