Laetoli tanzania footprints dating


After the reburial of the trackway in 1979, and absent maintenance or monitoring, the site gradually began to re-vegetate. The loose reburial fill and the lava boulder capping provided an environment conducive to germination and growth of acacia trees which had reached a height of over 2m by 1985 raising concerns about damage to the footprints.

The Laetoli footprints were formed and preserved by a chance combination of events—a volcanic eruption, a rainstorm, and another ashfall. When they were found in 1976, these hominid tracks, at least million years old, were some of the oldest evidence then known for upright bipedal walking, a major milestone in human evolution. In this NOVA: Evolution video, paleoanthropologist and consultant forensic scientist Owen Lovejoy compares the ancient biped prints with those of modern humans and chimpanzees.

The African Great Lakes nation of Tanzania dates formally from 1964, when it was formed out of the union of the much larger mainland territory of Tanganyika and the ...


Laetoli tanzania footprints dating

Laetoli tanzania footprints dating