TY - RPRT TI - Lherzolite, anorthosite, gabbro, and basalt dredged from the Mid-Indian Ocean Ridge AU - C.G. Engel AU - R.L. Fisher PY - 1969 DO - 10.1126/science.166.3909.1136 UR - https://pubs.usgs.gov/publication/70010242 ID - 70010242 ER -