《Table 4 Sub-table of China’s key solid major mineralization belts dataset》

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《全国重要固体矿产重点成矿区带数据集》

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The dataset of national major mineralization belts of key solid minerals is based on the national key mineral resource evaluation achievements，and systematically collects the available geological，geophysical，geochemical and remote sensing data，etc.，summarizes the latest progress of mineral resource surveys，divides 26“key mineralization belts”，and accomplishes the mineralizing conditions summary of“key belt”and regional mineralization rule analysis as well as major mineral resource analysis and deployment，etc.The data quality of the dataset is defined by applicability，integrity，normalization and accuracy，etc.The data quality control is mainly focused on the possible error during data collection and arrangement，and carries out casual survey demonstration and expert demonstration.The data quality can check the quality of the collected data on one hand，and also check whether the data quality is effectively controlled during the collection.Further improvements are needed to tackle the data quality problem，which should involve universality and operability in order to practically improve data quality.