Perry, E. A., Jr.; Beckles, E. C.; Newton, R. M. (1976): Chemical and mineralogical studies, Sites 322 and 325. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 35 (Callao, Peru to Ushuaia, Argentina; Feb.-March 1974), 465-469, georefid:1977-006867