Late Eocene crystal-bearing spherules - Two layers or one?

Details Late Eocene crystal-bearing spherules - Two layers or one? Late Eocene crystal-bearing spherules - Two layers or one?

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987metic..22..265g&link_type=abstract

Meteoritics (ISSN 0026-1114), vol. 22, Sept. 30, 1987, p. 265-279.

Computer Science

17

Crystallography, Geochronology, Ocean Bottom, Petrography, Spherules, Stratigraphy, Caribbean Sea, Chemical Composition, Gulf Of Mexico, Indian Ocean, Iridium, Pacific Ocean

Scientific paper

Late Eocene clinopyroxene ('CPX') spherules are studied, with a view to settling the question as to whether they represent two different events or a single one. The similarities in both composition and petrography between the late Eocene crystal-bearing spherules are found to be greater than the differences, and there appears to be a systematic change in composition and in amount of iridium excess from east to west, when all the sites that contain these crystal-bearing spherules are considered. It is therefore judged likely that the late Eocene crystal-bearing spherules all belong to a single event.

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