By W. Henry Gilbert, Berhane Asfaw
This quantity, the 1st in a chain dedicated to the paleoanthropological assets of the center Awash Valley of Ethiopia, reviews Homo erectus, an in depth relative of Homo sapiens. Written through a group of extremely popular students, this e-book offers the 1st precise descriptions, photos, and research of the fossil vertebrates--from elephants and hyenas to humans--from the Daka Member of the Bouri Formation of the Afar, a spot well known for an plentiful and long checklist of human ancestors. those fossils give a contribution to our knowing human evolution, and the linked fauna offer new information regarding the distribution and variability of Pleistocene mammals in japanese Africa. The participants are all lively researchers who labored at the paleontology and geology of those specified deposits. right here they've got mixed their disparate efforts right into a unmarried quantity, making the unique learn effects obtainable to either the professional and the overall reader. the amount synthesizes environmental backdrop and anatomical element to open an remarkable window at the African Pleistocene and its population.
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Additional resources for Homo erectus: Pleistocene Evidence from the Middle Awash, Ethiopia (The Middle Awash Series)
6). The ﬁrst fossil collected was a bovid cranial fragment, found by Henry Gilbert. In 1997, 30 specimens were collected at BOU-VP-19, whereas in 1998 a total of 33 specimens were recovered from this locality. The VP-19 locality predominantly yielded fossils from two horizons in a relatively deep section of diverse lithology above the HPU. The ﬁrst zone is a shell-rich horizon just about 1 m above the HPU. The second is a sandy-silt with iron-stained calcrete about 7–10 m above the HPU. The locality is bounded to the west by debris middens and aeolian deposits around Bouri Village, to the south by Ley Gita (water trail), and to the east by the distinctive HPU/Hata contact.
Unit 1 (Ͼ108 cm thick) is a very dark brown/gray clay loam with vertical cracks creating well-deﬁned small/medium columnar peds. The top of this unit is the modern eroded land surface. Carbonate nodules up to 25 cm in diameter are concentrated at the undulating base of this vertic horizon. 0 mm), including subrounded basaltic lava, subangular black and gray glassy fragments and clear crystals, and rounded yellow and gray tuﬀaceous grains, possibly derived from the HPU tuﬀ or the Wokari Tuﬀ.
4). The stratigraphic descriptions for each of the Daka Member sections measured along the strike of the Bouri Horst (and numbered 21 G E O LO GY AND GEO C H RO NO LO GY sequentially from northwest to southeast) are highlighted in the following paragraphs. The ﬁrst section, Asa Gita, is not directly correlated with the rest of the unit, and it is presented here only as a possible Daka Member section. Asa Gita (Section 1) While not traceable to the Daka Member directly, a cross-bedded pumiceous deposit similar to the HPU deposit was encountered in the Asa Gita area, located at the north of the Bouri Peninsula.