The Dikika is an area of the

Afar Region The Afar Region (; aa, Qafar Rakaakayak; am, አፋር ክልል), formerly known as Region 2, is a regional state in northeastern Ethiopia and the homeland of the Afar people. Its capital is the planned city of Semera, which lies on the paved ...

Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...

where the

hominin The Hominini form a taxonomic tribe of the subfamily Homininae ("hominines"). Hominini includes the extant genera ''Homo'' (humans) and '' Pan'' (chimpanzees and bonobos) and in standard usage excludes the genus ''Gorilla'' (gorillas). The t ...

fossil named Selam was found (a specimen of the ''

Australopithecus afarensis ''Australopithecus afarensis'' is an extinct species of australopithecine which lived from about 3.9–2.9 million years ago (mya) in the Pliocene of East Africa. The first fossils were discovered in the 1930s, but major fossil finds would not ...

'' species). Dikika is located in

Mille Mille can refer to: People * Constantin Mille, Romanian journalist and politician * Mathieu Mille, French ice hockey player Places * Mille Lacs County, Minnesota * Mille Lacs Lake in Minnesota. * Mille River, a tributary of the Awash River i ...

woreda Districts of Ethiopia, also called woredas ( am, ወረዳ; ''woreda''), are the third level of the administrative divisions of Ethiopia – after ''zones'' and the '' regional states''. These districts are further subdivided into a number of ...

.Based on the map of the findsite printed in Alemseged, Z. et al. A new hominin from the Basal Member of the Hadar Formation, Dikika, and its geological context. ''J. Hum. Evol.'' 49 (2005), 499–514. Dikika is also given to name a basal member of the Hadar formation, a series of

sedimentary Sedimentary rocks are types of rock (geology), rock that are formed by the accumulation or deposition of mineral or organic matter, organic particles at Earth#Surface, Earth's surface, followed by cementation (geology), cementation. Sedimentati ...

rocks deposited approximately 3.4 million years ago, which have been exposed by the erosive action of the

Awash River The Awash (sometimes spelled Awaash; Oromo: ''Awaash'', Amharic: አዋሽ, Afar: ''We'ayot'', Somali: ''Webiga Dir'') is a major river of Ethiopia. Its course is entirely contained within the boundaries of Ethiopia and empties into a chain of ...

. Although sometimes called "Lucy's Child" Dikika was in fact older than Lucy or Dinknesh at 3.4 million years.

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Further reading