TY - RPRT TI - Ultramafic and basaltic rocks dredged from the nearshore flank of the Tonga Trench AU - Robert L. Fisher AU - Celeste G. Engel PY - 1969 DO - 10.1130/0016-7606(1969)80[1373:uabrdf]2.0.co;2 UR - https://pubs.usgs.gov/publication/70225053 ID - 70225053 ER -