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For example, similar fossils were found during the early 20th century at several different locations in Java: Kedung Brubus, Mojokerto (Modjokerto), Sangiran, Ngandong (Solo), Sambungmacan (Sambungmachan), and Ngawi.Another series of finds was made in China beginning in the 1920s, especially in the caves and fissures of Peking man; virtually all of these remains were subsequently lost by 1941 during the Sino-Japanese War (1937–45), though casts of them still exist.This history has been recorded directly if imprecisely by many sites that have yielded fossil remains of Eugène Dubois, who began his search for ancient human bones on the island of Java (now part of Indonesia) in 1890.
More convincing evidence for the presence of in Europe has come from Ceprano in central Italy, where a skull lacking its face was found in 1994.
Clay deposits surrounding it contain no volcanic material that is directly datable, but the fossil is probably somewhat older than the Mauer mandible.
Theoretically, the difference in brain size between the two groups of Asian fossils may be the consequence of further evolution in later populations of show a number of other distinctive features.
The face, which is preserved in only a few specimens, is massively constructed, and its lower parts project forward.
most likely originated in Africa, though Eurasia cannot be ruled out.
Regardless of where it first evolved, the species seems to have dispersed quickly, starting about 1.9 million years ago (mya) near the middle of the Pleistocene Epoch, moving through the African tropics, Europe, South Asia, and Southeast Asia.
Potassium-argon dating, for instance, can provide the age of a specimen by clocking the rate at which radioactive isotopes of these elements have decayed.
When radiometric methods cannot be applied, investigators may still ascribe a relative age to a fossil by relating it to the other contents of the deposit in which it was found.
The specimens from Sangiran and Mojokerto in Java may approach the age of the Koobi Fora skeletons, and one from the Lantian localities in China is roughly contemporary with OH 9.Tags: Adult Dating, affair dating, sex dating