Fig.1 Hammerstone (1), cores (2, 3) and flakes (4-6) from the Guochachang II site of the Danjiangkou Reservoir area. Credit: XU Yong)
Posted on 05/29/2013 6:08:16 PM PDT by SunkenCiv
In April and May 2009, researchers carried out an excavation in the Guochachang II site which is located on the left bank of Hanshui River's third terrace. The excavation exposed an area of 500 m2 and uncovered 132 stone artifacts in situ as reported in the latest issue of Acta Anthropologica Sinica 2013.
The Danjiangkou reservoir area is a pivotal region for human migration and cultural communication between south and north China. The discovery of hominid fossils, such as Xichuan Man, Yunyang Man, Meipu Man, Yunxian Man, and abundant Paleolithic sites in this area highlight its significant position in the Paleoanthropology and Paleolithic archaeology of China...
The principal flaking techniques are direct hard hammer freehand percussion and bipolar percussion. Meanwhile, the anvil technique was possibly used also. Flakes struck with the anvil technique are large in size, with heavier weights and large platform angles, compared with the bipolar and freehand flakes. Freehand cores (85.71%) and bipolar percussion cores are dominated by simple core reduction strategies (single and double-platform cores=75%), and the multi-platform cores comprise 25%.
(Excerpt) Read more at phys.org ...
Fig.1 Hammerstone (1), cores (2, 3) and flakes (4-6) from the Guochachang II site of the Danjiangkou Reservoir area. Credit: XU Yong)
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