By Yohannes Haile-Selassie, Giday WoldeGabriel
The second one quantity in a sequence devoted to fossil discoveries made within the Afar quarter of Ethiopia, this paintings includes the definitive description of the geological context and paleoenvironment of the early hominid Ardipithecus kadabba. This learn through a world workforce describes heart Awash past due Miocene faunal assemblages recovered from sediments firmly dated to among 5.2 and 5.8 million years in the past. in comparison to different assemblages of comparable age, the center Awash list is exceptional in taxonomic variety, composed of 2,760 specimens representing not less than 65 mammalian genera. This finished evaluate of the vertebrates from the top of the Miocene in Africa offers distinctive morphological and taxonomic descriptions of dozens of taxa, together with species new to technological know-how. It additionally contains effects from analyses of paleoenvironment, paleobiogeography, biochronology, and faunal turnover round the Pliocene-Miocene boundary, commencing a brand new window at the evolution of mammals, African fauna, and its environments.
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Additional info for Ardipithecus kadabba: Late Miocene Evidence from the Middle Awash, Ethiopia (The Middle Awash Series)
Large Format Camera (LFC) platforms provided imagery to locate areas of paleontological interest eﬃciently and accurately (Asfaw et al. 1990). The use of space-based imagery not only was accurate and eﬃcient but also lowered time and money costs for the project. Using this imagery, we were able to target inaccessible localities. Foot survey guided by satellite and aerial photographic imagery led to discovery of new late Miocene localities, some of which yielded the hominid fossil specimens reported here.
Describe the current geomorphic features along the western rift margin and the adjacent rift ﬂoor and their implications for basin development. 6. Recover, describe, and document the faunal and ﬂoral assemblages within the fossiliferous sedimentary deposits. 7. Assess the paleoenvironmental records from the diverse lithologic assemblages, paleontological assemblages, and stable isotope analysis of paleosol, pedogenic carbonates, and carbonates. Methods Field Survey and Reconnaissance Recent application of space-based imagery and aerial photographs has revolutionized paleontological ﬁeld survey.
5). 5). In 1997, limited surveys were carried out along the western margin to recheck the geological sections at the Adu Dora, Alayla, and Saraitu localities and to collect additional fossils. It was in 1997 that the ﬁrst hominid fossils were recovered from the late Miocene strata of this region. Work along the western rift margin continued during 1998. Additional samples of basaltic and silicic tuﬀs were collected from measured sections in the Alayla, Asa Koma, Digiba Dora, and Saitune Dora areas.