Supplement to: Luyendyk, Bruce P; Cann, Joe R; Sharman, G; Roberts, W P; Shor, A N; Duffield, W A; Varet, J; Zolotarev, Boris P; Poore, Richard Z; Steinmetz, J C; Kobayashi, Kazuo; Vennum, W; Wood, D A; Steiner, M (1979): Initial Reports of the Deep Sea Drilling Project. U. S. Government Printing Office, XLIX, 1020 pp, https://doi.org/10.2973/dsdp.proc.49.1979
Leg 49 of the International Phase of Ocean Drilling (IPOD) was designed with a wide spectrum of problems in mind. Topics investigated were (1) variation with time of mantle sources of spreading-center magmas, (2) aging of the volcanic layer, (3) degree of hydrothermal alteration and metamorphism of the volcanic layer, (4) lateral and vertical variation of the petrochemistry, magnetic properties, and structure of the volcanic layer, (5) north-south variability of spreading-center magmas through the North Atlantic, (6) initiation of glaciation during the late Pliocene, and (7) the influence of bottom currents originating at the Iceland-Faeroes Ridge on sediments of the ridge flank province of the western North Atlantic.
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