Occurrence and chemistry of microtektites of ODP Site 121-758, supplement to: Smit, Jan; van Eijden, AJM; Troelstra, Simon (1991): Analysis of the Australasian Microtektite Event, the Toba Lake Event, and the Cretaceous/Paleogene boundary, eastern Indian Ocean. In: Weissel, J; Peirce, J; Taylor, E; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 121, 489-503

Jan Smit, AJM van Eijden & Simon Troelstra
The Toba lake event, the Australasian microtektite event, and the Cretaceous/Paleogene boundary were analyzed on the basis of foraminifers, carbonate content, trace elements, and spherules (microtektites). The Toba ash event, recovered in Hole 758C, may have had minor influences on the foraminiferal populations. The Australasian tektite event has probably some influence on foraminiferal ecology, because the larger specimens become scarce just above the microtektite layer. Microtektites recovered from Hole 758B closely resemble spherules recovered from...
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