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THE CONSTRUCTION OF THE PRE-CAMBRIAN GEOCHRONOLOGIC DATABASE SYSTEM IN CHINA |
ZHAO Yu-ling1, WANG Hong-zhen2, YANG Jin-zhong1 |
1. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083,China;
2. China University of Geosciences, Beijng 100083, China |
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Abstract As the methodology of dating is unceasingly improving and the isotopic chronologic data are becoming more and more complicated, database management technique should be introduced into geochronology. A geochronologic database system on the basis of Visual FoxPro has been founded in China in which the pre-Cambrian U-Pb, Sm-Nd, Rb-Sr isotopic chronologic dates are used. The test results show that it is an effective means to store, input, modify and renew the isotopic chronologic data.
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Keywords
Water index
ALOS
Spectral analysis
Accuracy assessment
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Issue Date: 02 August 2011
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