The data of natural gamma ray spectrum logging are of well conformity with the contents of thorium, uranium and potassium obtained by surface gamma ray survey, laboratory analysis and aerial gamma ray spectrum survey.

• 对自然伽马能谱测井仪、面伽马能谱、内分析、空伽马能谱测量的同一地点钍、、元素含量进行对比分析得知，各种方法所得结果具有较好的一致性。