Results:

Middle Awash
CATEGORY: site
DEFINITION: River valley of northeast Ethiopia with rich Hominid fossil finds as well as archaeological sites dating from the Miocene to the Holocene. Australopithecine fossils from c 4.5-2.5 million years ago (mainly A. afarensis) and some of the oldest-known stone artifacts in the world (flaked cobble Oldowan Complex, c 3-2.5 mya) were found there.
plowwash
SYNONYMS OR RELATED TERMS: ploughwash
CATEGORY: geology
DEFINITION: A sediment caused by farming activities in breaking up the soil on hills or slopes. The cultivation of soil for crops, or the intensive pasturing of animals, causes a change in the structure of the soil which may result in poor drainage; combined with the lack of vegetation, causing the soil to move downhill.
slopewash
CATEGORY: geology
DEFINITION: A type of sediment formed by soil and rubble being moved down hillslopes. The deposit may be caused by solifluxion or by plowwash. The poorly sorted deposit can sometimes carry the remains of archaeological sites downhill with it, resulting in a false location and mixed material.
washer
CATEGORY: artifact
DEFINITION: A small disc or flat ring of metal, wood or leather.

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