Petrology and geochemistry of the basement boninite series of ODP Site 125-786

The 720 m of igneous basement that was penetrated at Site 786 of Ocean Drilling Program Leg 125 consists of boninite-series volcanics. Bronzite andesites dominate the lithology...大洋钻探计划（Ocean Drilling Program）第125航次786站位钻遇的720米火成岩基底，由玻安岩系火山岩组成，其岩性以古铜安山岩占主导。