Also known as ETE Locality 139, Fort Ternan,
Where: Central Nyanza, Kenya (0.2° S, 35.3° E: paleocoordinates 1.0° S, 33.9° E)
When: Fort Ternan "B" Beds Member (Upper Koru Series Formation), Serravallian (13.7 - 11.6 Ma)
• ETE dating method: absolute, ETE age comment: MinBFA - 13.9 +/- 0.03 - stepwised degassing isochron methodMaxBFA - 14.0 +/- 0.02 - total fusion method;both on biotite radiometric intage_min
•bed: Soil #1/ Soil #2
Environment/lithology: terrestrial; siltstone
Collection methods: quarrying
• ETE Size: both; ETE reference list: 6, ; ETE museum list: KNM
Primary reference: W. W. Bishop, J. A. Miller, and F.J. Fitch. 1969. New Potassium-Argon Age Determinations Relevant to the Miocene Fossil Mammal Sequence in East Africa. American Journal of Science 267:669-699 [A. Behrensmeyer/A. Behrensmeyer/M. Kosnik] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 21340: authorized by Anna Behrensmeyer, entered by Anna Behrensmeyer on 11.06.1991, edited by Mark Uhen
Creative Commons license: CC BY (attribution)