Zhou, Lei et al. (1991): Cretaceous/Tertiary boundary of DSDP Site 596, South Pacific

Leg/Site/Hole:
DSDP 91
DSDP 91 596
Identifier:
1991-036841
georefid
10.1130/0091-7613(1991)019<0694:CTBODS>2.3.CO;2
doi
Creator:
Zhou, Lei
Univ. Calif. at Los Angeles, Inst. Geophys. and Planet. Phys., Los Angeles, CA, United States
author
Kyte, Frank T.
U. S. Geol. Surv., United States
author
Bohor, Bruce F.
author
Identification:
Cretaceous/Tertiary boundary of DSDP Site 596, South Pacific
1991
Geology (Boulder)
Geological Society of America (GSA), Boulder, CO, United States
19
7
694-697
Sediments from the Cretaceous/Tertiary (K/T) boundary at Deep Sea Drilling Project Site 596 record accumulation of pelagic clays at about lat 45 degrees S,in the center of the ancestral South Pacific. The K/T boundary in this region is characterized by oxidized, thoroughly bioturbated sediments containing large amounts of Ir and relict high-pressure and high-temperature mineral phases. The net Ir fluence (320 ng cm (super -2) ) is among the largest on Earth,and the number of shocked quartz grains >30 mu m in size ( approximately 1800 cm (super -2) ) exceeds that in all localities outside of North America.
English
Serial
Coverage:Geographic coordinates:
North:-23.5111
West:-165.3917East: -165.3916
South:-23.5113
Stratigraphy; biogenic structures; bioturbation; Cenozoic; chromium; clastic sediments; clay; Cretaceous; Deep Sea Drilling Project; DSDP Site 596; framework silicates; geochemistry; IPOD; iridium; K-T boundary; Leg 91; lower Paleocene; lower Tertiary; marine environment; marine sediments; Mesozoic; metals; metamorphism; neutron activation analysis data; Pacific Ocean; Paleocene; Paleogene; pelagic environment; platinum group; quartz; sedimentary structures; sediments; shock metamorphism; silica minerals; silicates; South Pacific; Southwest Pacific; spectra; stratigraphic boundary; stratigraphy; Tertiary; trace elements; Upper Cretaceous; West Pacific; X-ray fluorescence spectra;
.