STUDY OF REFLECTANCE FOR THE GRAPTOLITES FROM LOWER YANGTZE REGION IN JIANGSU, E CHINA
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Abstract:
Graptolite reflectance increases with the increasing of depth according to the study graptolite reflectance of Lower Yangtze Region in Jiangsu Province, E China. The correlation between graptolite reflectance and conodont Color Alteration Index (CAI) is established. Further more, the correlation between graptolite reflectance and vitrinite reflectance is established by using the correlation between CAI and vitrinite reflectance. It provides a new and reliable scale for evaluating the organic maturity of the Lower Plaeozoic rocks.
