Chemical composition of North American microtektites and tektite fragments from Barbados and DSDP Site 612 on the continental slope off New Jersey

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doi: 10.1016/0012-821X(88)90016-7
Author(s): Koeberl, Christian; Glass, Billy P.
Author Affiliation(s): Primary:
Univ. Vienna, Inst. Geochem., Vienna, Austria
Other:
Univ. Del., United States
Volume Title: Earth and Planetary Science Letters
Source: Earth and Planetary Science Letters, 87(3), p.286-292. Publisher: Elsevier, Amsterdam, Netherlands. ISSN: 0012-821X CODEN: EPSLA2
Note: In English. 30 refs.; illus. incl. 2 tables, sketch map
Summary: It is concluded that the samples from both areas belong to the N American tektite-strewn field, though the chemistry is not the same as bediasite or georgianite chemistry. The differences show that there are geographical variations in composition in the N American strewn field as there are in the Czechoslovakian or Australasian strewn fields. The Site 612 tektite fragments have a fairly high volatile element content, mineral inclusions and some have a layered structure. This suggests that they are (or close to) Myong-Nong- type tektites and that the source crater is therefore probably on the continental shelf. The association of tektites and microtektites together in one layer with a stratigraphic age consistent with a radiometric age seems to resolve the paradox that tektites on land usually occur in deposits younger than the tektites.
Year of Publication: 1988
Research Program: DSDP Deep Sea Drilling Project
IPOD International Phase of Ocean Drilling
Key Words: 02 Geochemistry; 05 Petrology, Igneous and Metamorphic; Antilles; Atlantic Ocean; Barbados; Caribbean region; Cenozoic; Chemical composition; Composition; Continental slope; DSDP Site 612; Deep Sea Drilling Project; Eocene; Geochemistry; IPOD; Leg 95; Lesser Antilles; Major elements; Marine sediments; Microtektites; New Jersey; North America; North American Atlantic; Oceanography; Paleogene; Petrology; Sediments; Strewn fields; Tektites; Tertiary; Trace elements; United States; Upper Eocene; West Indies
Coordinates: N384912 N384913 W0724625 W0724626
Record ID: 1988027289
Copyright Information: GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom