The samples investigated in this study come from DSDP Leg 73 Drill Holes 519A, 522B, and 524, all of which are in the South Atlantic. A general petrographic description of the basalts is given by Carman et al. (1984; doi:10.2973/dsdp.proc.73.120.1984).
Cu was not found in any of the samples analyzed.
Supplement to: Petersen, Nikolai P (1984): Ore mineralogy of South Atlantic basalts (Deep Sea Drilling Project Leg 73). In: Hsü, KJ; LaBrecque, JL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 73, 603-606