泥河湾盆地霍家地发现的旧石器

霍家地旧石器地点发现于泥河湾盆地“泥河湾层”中，经试掘出土了60件石制品，包括4件石核、12件石片、24件石器和20件有人工痕迹的石块，石器中包括刮削器20件，尖状器2件，石锥、雕刻器各1件。含石制品地层位于东谷坨文化层之上，推测其年龄约为距今100万年左右。

HUOJIADI A NEW PALEOLITHIC SITE DISCOVERED IN THE NIHEWAN BASIN

Huojiadi Paleolithic site w as discovered in “ the Nihewan Beds” o f the Nihewan Basin in the summer of 1997. It lies 120m away north to the T1 o f the Donggutuo site. The cultural layer o f the Huojiadi site is 0. 75m in thickness and mainly consists of silt, pebbles of various sizes. 60 stone artifacts and some fragmentary bones w ere found in this layer. The stone artifacts are subdivided into 4 co res, 12 flakes, 20 scrapers, 2 points, 1 burin, 1 aw l and 20 modified chunks. Comparing with the the formerly determined ag e of Donggutuo cultural layer, it is considered that the cultral layer o f the Huojiadi site was formed about 1mya BP in the late Early Pleistocene.