It is shown that : ( 1 ) there are no apparent abnormalities of natural TL detected from the rock samples selected in the first 1000 meter depth of the Earth, and these natural TL are accumulated through natural radiation effects; 研究结果表明:(1)深度小于1000m的浅表地层岩石标本的天然热释光量没有显著的异常,可以认为是晚第四纪以来的自然放射性效应的累加;