Preliminary petrology of diabases from Sites 469 and 471, Deep Sea Drilling Project Leg 63.

T. Shibata, S. E. Delong

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

    1 Citation (Scopus)

    Abstract

    Diabasic rocks were recovered at Sites 469 and 471 on IPOD/DSDP Leg 63. The diabasic rocks are composed mainly of plagioclase, clinopyroxene, and low-temperature alteration products. In addition to these phases, a considerable amount of primary biotite and lesser colorless amphibole are observed in some of the Site 471 diabases. Major and trace element data suggest that these rocks are tholeiitic; however, their highly altered nature obscures their petrologic affinity with the DSDP Leg 63 tholeiitic basalts and others from the nearby Pacific ocean floor. It is likely that the Site 469 and 471 diabasic rocks represent products of off-ridge intrusive activity.-Authors

    Original languageEnglish
    Title of host publicationInitial reports DSDP, Leg 63, Long Beach, Cal. to Mazatlan, Mexico, (US Govt Printing Office; UK distributors IPOD Committee, NERC, Swindon)
    Pages701-709
    Number of pages9
    Publication statusPublished - 1981

    Fingerprint

    Deep Sea Drilling Project
    diabase
    petrology
    rock
    tholeiitic basalt
    amphibole
    clinopyroxene
    biotite
    plagioclase
    seafloor
    trace element
    product

    ASJC Scopus subject areas

    • Earth and Planetary Sciences(all)
    • Environmental Science(all)

    Cite this

    Shibata, T., & Delong, S. E. (1981). Preliminary petrology of diabases from Sites 469 and 471, Deep Sea Drilling Project Leg 63. In Initial reports DSDP, Leg 63, Long Beach, Cal. to Mazatlan, Mexico, (US Govt Printing Office; UK distributors IPOD Committee, NERC, Swindon) (pp. 701-709)

    Preliminary petrology of diabases from Sites 469 and 471, Deep Sea Drilling Project Leg 63. / Shibata, T.; Delong, S. E.

    Initial reports DSDP, Leg 63, Long Beach, Cal. to Mazatlan, Mexico, (US Govt Printing Office; UK distributors IPOD Committee, NERC, Swindon). 1981. p. 701-709.

    Research output: Chapter in Book/Report/Conference proceeding › Chapter

    Shibata, T & Delong, SE 1981, Preliminary petrology of diabases from Sites 469 and 471, Deep Sea Drilling Project Leg 63. in Initial reports DSDP, Leg 63, Long Beach, Cal. to Mazatlan, Mexico, (US Govt Printing Office; UK distributors IPOD Committee, NERC, Swindon). pp. 701-709.
    Shibata T, Delong SE. Preliminary petrology of diabases from Sites 469 and 471, Deep Sea Drilling Project Leg 63. In Initial reports DSDP, Leg 63, Long Beach, Cal. to Mazatlan, Mexico, (US Govt Printing Office; UK distributors IPOD Committee, NERC, Swindon). 1981. p. 701-709
    Shibata, T. ; Delong, S. E. / Preliminary petrology of diabases from Sites 469 and 471, Deep Sea Drilling Project Leg 63. Initial reports DSDP, Leg 63, Long Beach, Cal. to Mazatlan, Mexico, (US Govt Printing Office; UK distributors IPOD Committee, NERC, Swindon). 1981. pp. 701-709
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