Whitehead, James et al. (2000): Rb-Sr and Sm-Nd of upper Eocene microtektites; a potential Popigai source

Leg/Site/Hole:
DSDP 22
DSDP 95
DSDP 22 216
DSDP 61 462
DSDP 89 462
DSDP 95 612
Identifier:
2006-048273
georefid
Creator:
Whitehead, James
University of New Brunswick, Department of Geology, Fredericton, NB, Canada
author
Spray, J. G.
Geological Survey of Canada, Canada
author
Grieve, R. A. F.
California Institute of Technology, United States
author
Papanastassiou, D. A.
author
Ngo, H. H.
author
Wasserburg, G. J.
author
Identification:
Rb-Sr and Sm-Nd of upper Eocene microtektites; a potential Popigai source
2000
In: Anonymous, Lunar and planetary science, XXXI; papers presented to the Thirty-first lunar and planetary science conference
Lunar and Planetary Science Conference, Houston, TX, United States
31
A Nd and Sr isotope study of upper Eocene marine microtektites and microspherules help resolve the contentious number of isotopically distinguishable upper Eocene impact ejecta layers and suggest a Popigai, Siberian source for the microspherules.
English
Coverage:Geographic coordinates:
North:38.4913
West:-72.4626East: 165.0150
South:1.2743
Geochronology; Stratigraphy; absolute age; alkaline earth metals; Anabar Shield; Archean; Asia; biozones; Canada; Cenozoic; chemical fractionation; Chesapeake Bay; Chesapeake Bay impact feature; Commonwealth of Independent States; dates; Deep Sea Drilling Project; DSDP Site 216; DSDP Site 462; DSDP Site 612; Eastern Canada; ejecta; Eocene; gneisses; impact craters; impact features; impacts; Indian Ocean; IPOD; isotope ratios; isotopes; Labrador; Lake Mistastin impact structure; Leg 22; Leg 95; mass spectra; melting; metals; metamorphic rocks; microtektites; Mistastin Lake; Nd-144/Nd-143; neodymium; Newfoundland; Newfoundland and Labrador; North America; Pacific Ocean; Paleogene; parent materials; Popigay Structure; Precambrian; provenance; radioactive isotopes; rare earths; Rb/Sr; Russian Federation; samarium; Siberian Platform; Sm-147/Nd-144; Sm/Nd; spectra; spherules; Sr-87/Sr-86; stable isotopes; strewn fields; strontium; tektites; Tertiary; United States; upper Eocene; Virginia; Yakutia Russian Federation;
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