ammonites
Peninj-Middle Zone (Pleistocene to of Tanzania)

Also known as ETE Locality 1391, Peninj-Middle Zone,

Where: Lake Natron Basin, Tanzania (2.3° S, 36.0° E: paleocoordinates 2.4° S, 35.9° E)

When: Middle Zone Member (Hubu Formation), Gelasian to Gelasian (2.6 - 0.8 Ma)

• ETE dating method: absolute, ETE age comment: Was-Mbugu olivine basalt smpls(1964&1969 Isaac) radiometric intage_max, radiometric intage_min

Environment/lithology: lacustrine

• ETE sed env 1: lacustrine, ETE sed env 2: . ETE event: ., ETE env comment: Lam. tuff&limstne
• ETE rock type adj: 0, ETE lithology comments: "Basalt tuff,orge&gry-brwn"

Collection methods: surface (in situ)

• ETE Size: both; ETE reference list: 975, ; ETE museum list:

Primary reference: G. Isaac. 1965. The stratigraphy of the Peninj beds and the provenance of the Natron australopithecine mandible. Quaternaria 7:101-130 [K. Behrensmeyer/K. Behrensmeyer/M. Kosnik] more details

PaleoDB collection 22552: authorized by Kay Behrensmeyer, entered by Kay Behrensmeyer on 13.04.2000, edited by John Damuth