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Relationship between Permian volcanic rocks distribution and karst paleogeomorphology of Maokou Formation and its significance for petroleum exploration in western Sichuan Basin, SW China
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LIU Ran,LUO Bing,LI Ya,QIU Nansheng,WANG Wei,ZHANG Yu,HE Qinglin,PEI Senqi
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Table 1. Rare earth element composition data of cuttings from the top of Maokou Formation in Well YT1.
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Sample depth/m | REE/(10-3 mg?g-1) | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | 5891 | 10.2 | 23.8 | 3.00 | 12.60 | 2.76 | 0.520 | 2.25 | 0.30 | 1.76 | 0.35 | 0.85 | 0.12 | 0.76 | 0.13 | 5893 | 31.9 | 69.9 | 8.67 | 36.80 | 7.87 | 1.190 | 6.93 | 0.89 | 5.12 | 0.97 | 2.57 | 0.34 | 1.96 | 0.29 | 5895 | 2.5 | 4.9 | 0.57 | 2.40 | 0.58 | 0.212 | 0.45 | 0.06 | 0.31 | 0.06 | 0.18 | 0.03 | 0.23 | 0.04 | 5897 | 1.1 | 1.7 | 0.19 | 0.90 | 0.27 | 0.089 | 0.17 | 0.03 | 0.17 | 0.03 | 0.07 | 0.01 | 0.10 | 0.02 | 5899 | 1.1 | 1.4 | 0.16 | 0.70 | 0.20 | 0.062 | 0.11 | 0.02 | 0.09 | 0.02 | 0.06 | 0.01 | 0.07 | 0.01 | 5901 | 1.0 | 1.2 | 0.13 | 0.60 | 0.18 | 0.061 | 0.12 | 0.02 | 0.10 | 0.02 | 0.06 | 0.01 | 0.10 | 0.02 | 5905 | 1.3 | 1.7 | 0.19 | 0.70 | 0.19 | 0.060 | 0.11 | 0.02 | 0.13 | 0.03 | 0.10 | 0.02 | 0.13 | 0.03 | 5907 | 0.9 | 1.3 | 0.14 | 0.60 | 0.20 | 0.062 | 0.11 | 0.02 | 0.10 | 0.02 | 0.06 | 0.01 | 0.08 | 0.02 | 5911 | 1.7 | 2.2 | 0.24 | 1.10 | 0.34 | 0.113 | 0.22 | 0.03 | 0.15 | 0.03 | 0.10 | 0.02 | 0.14 | 0.03 | 5913 | 0.8 | 1.5 | 0.17 | 0.60 | 0.13 | 0.054 | 0.13 | 0.02 | 0.10 | 0.02 | 0.06 | 0.01 | 0.09 | 0.02 | 5915 | 0.7 | 1.5 | 0.17 | 0.60 | 0.13 | 0.051 | 0.12 | 0.02 | 0.12 | 0.03 | 0.10 | 0.02 | 0.14 | 0.03 | 5917 | 0.6 | 0.9 | 0.08 | 0.30 | 0.08 | 0.031 | 0.07 | 0.01 | 0.07 | 0.02 | 0.06 | 0.01 | 0.11 | 0.03 | 5919 | 0.7 | 0.7 | 0.07 | 0.30 | 0.11 | 0.046 | 0.11 | 0.02 | 0.09 | 0.02 | 0.05 | 0.01 | 0.07 | 0.02 | 5921 | 0.5 | 1.1 | 0.12 | 0.50 | 0.12 | 0.048 | 0.11 | 0.02 | 0.10 | 0.02 | 0.06 | 0.01 | 0.08 | 0.02 | 5923 | 0.9 | 1.4 | 0.15 | 0.70 | 0.22 | 0.070 | 0.13 | 0.02 | 0.09 | 0.02 | 0.06 | 0.01 | 0.06 | 0.01 | 5925 | 0.5 | 1.0 | 0.10 | 0.40 | 0.11 | 0.048 | 0.12 | 0.02 | 0.10 | 0.02 | 0.06 | 0.01 | 0.07 | 0.01 | 5927 | 0.7 | 0.9 | 0.08 | 0.40 | 0.13 | 0.049 | 0.11 | 0.02 | 0.09 | 0.02 | 0.06 | 0.01 | 0.08 | 0.02 | 5929 | 0.5 | 1.0 | 0.10 | 0.40 | 0.09 | 0.030 | 0.06 | 0.01 | 0.07 | 0.02 | 0.06 | 0.01 | 0.07 | 0.01 | 5931 | 0.5 | 0.9 | 0.10 | 0.40 | 0.10 | 0.035 | 0.07 | 0.01 | 0.07 | 0.02 | 0.06 | 0.01 | 0.06 | 0.01 |
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