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North-Central Section - 50th Annual Meeting - 2016

Paper No. 17-4
Presentation Time: 1:30 PM-5:30 PM

DIATOMS FROM AFAR: NOVEL SPECIES OF BACILLARIOPHYCEAE (DIATOMS) FROM THE PLIOCENE HADAR FORMATION, ETHIOPIA


MOHAN, Joseph, Earth and Environmental Systems, Indiana State University, 600 Chestnut, Science room 159, Terre Haute, IN 47809, STONE, Jeffery R., Department of Earth and Environmental Systems, Indiana State University, Terre Haute, IN 47809, CAMPISANO, Christopher J., Institute of Human Origins, School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287 and COHEN, Andrew S., Department of Geosciences, University of Arizona, Tucson, AZ 85721, Jmohan@Sycamores.indstate.edu

A paleoecological study of the Pliocene Hadar Formation in the Afar Region, Ethiopia has unearthed several novel species of Bacillariophyceae (diatoms). The Hadar Formation diatom assemblage allows for previously unknown water conditions in Paleolake Hadar to be deciphered. The Hadar Formation assemblage also represents a newly revealed excerpt from the evolutionary history of freshwater diatoms in East Africa during the Piacená´˘ian age. The samples were collected from rock cores that were extracted as part of the Hominin Sites and Paleolakes Drilling Project. The Hadar Formation diatom assemblage is compared to previously reported diatoms from Lake Malawi as well as extant species.

Session No. 17--Booth# 4

Paleontology (Posters)
Monday, 18 April 2016: 1:30 PM-5:30 PM
Illinois Ballroom AB (I Hotel and Conference Center)
Geological Society of America Abstracts with Programs. Vol. 48, No. 5
doi: 10.1130/abs/2016NC-275187
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