The Luonan Basin locates in the Qinling Mountains,which form a geographic boundary between North and South China.Since 1995,268 open-air sites identified from the Luonan Basin,Shaanxi Province,and a total of 13 581 li...The Luonan Basin locates in the Qinling Mountains,which form a geographic boundary between North and South China.Since 1995,268 open-air sites identified from the Luonan Basin,Shaanxi Province,and a total of 13 581 lithic artefacts collected from those sites during 1995-2004.A systematic refitting analysis was carried out on the stone artefacts collected from those Open-air sites in the Luonan Basin.The refitting produced 31 refitted groups.The refitted lithic sets included 64 elements,made up of two cores,nine complete flakes,44 broken flakes,and nine chunks.The raw materials range from various coloured quartzite(cream,red,and dark grey colour),quartz,greywacke,and silicious limestone.The refitting rate in open-air sites is about 0.47%.The highest refitting rate in single site is 21.05%,it occurs at Shangling site(03LP242).Uunfortunately,it not produced any refitted group cross the sites.Because the lithic artefacts in the open-air sites were mostly surface collections,no stratigraphic determination could be made on the assemblages,however,a refitted broken flakes group at scene from Angou site(02LP201) is quiet longer with the rectilinear distance at least 35m away.The higher refitting rates on some sites imply that the lithic artefacts exposed on the ground are not for a long time since the site under severe land-surface erosion in historic period.展开更多
Four Palaeolithic sites/localities were identified from the Yaoshi Basin of the UpperDanjiang River Valley,the Shangluo region,during investigations in 1995-1999,when atotal of 870 lithic artifacts were collected.Lith...Four Palaeolithic sites/localities were identified from the Yaoshi Basin of the UpperDanjiang River Valley,the Shangluo region,during investigations in 1995-1999,when atotal of 870 lithic artifacts were collected.Lithic-stratigraphic layer bearing lithic artifacts at the 95SP03 locality belongs to the upper part of the Xiehu Form deposit,suggesting thatthe site is probably in the middle to later period of the Middle Pleistocene.This earlyPalaeolithic site is about in same time range with those found in the Luonan Basin to the east.The other sites found in the region(95SP01,95SP02,and 95SP04)were identified from the Upper Pleistoence deposit,probably affiliated with Late Palaeolithic of northern China.展开更多
文摘The Luonan Basin locates in the Qinling Mountains,which form a geographic boundary between North and South China.Since 1995,268 open-air sites identified from the Luonan Basin,Shaanxi Province,and a total of 13 581 lithic artefacts collected from those sites during 1995-2004.A systematic refitting analysis was carried out on the stone artefacts collected from those Open-air sites in the Luonan Basin.The refitting produced 31 refitted groups.The refitted lithic sets included 64 elements,made up of two cores,nine complete flakes,44 broken flakes,and nine chunks.The raw materials range from various coloured quartzite(cream,red,and dark grey colour),quartz,greywacke,and silicious limestone.The refitting rate in open-air sites is about 0.47%.The highest refitting rate in single site is 21.05%,it occurs at Shangling site(03LP242).Uunfortunately,it not produced any refitted group cross the sites.Because the lithic artefacts in the open-air sites were mostly surface collections,no stratigraphic determination could be made on the assemblages,however,a refitted broken flakes group at scene from Angou site(02LP201) is quiet longer with the rectilinear distance at least 35m away.The higher refitting rates on some sites imply that the lithic artefacts exposed on the ground are not for a long time since the site under severe land-surface erosion in historic period.
文摘Four Palaeolithic sites/localities were identified from the Yaoshi Basin of the UpperDanjiang River Valley,the Shangluo region,during investigations in 1995-1999,when atotal of 870 lithic artifacts were collected.Lithic-stratigraphic layer bearing lithic artifacts at the 95SP03 locality belongs to the upper part of the Xiehu Form deposit,suggesting thatthe site is probably in the middle to later period of the Middle Pleistocene.This earlyPalaeolithic site is about in same time range with those found in the Luonan Basin to the east.The other sites found in the region(95SP01,95SP02,and 95SP04)were identified from the Upper Pleistoence deposit,probably affiliated with Late Palaeolithic of northern China.
