Supplement to: Zhang, B Z; Zhang, P X; Lowenstein, Tim K; Spencer, R J (1995): Time range of the great ice age of the last glacial stage and its related geological event of playa in the Qinghai-Xizang (Tibet) Plateau. (doi:cnki:ISSN:10017410.0.1995-03-000 not valid), Quaternary Sciences, 3, 192-201