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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 1 | Geoscience Letters

Fig. 1

From: Preservation conditions and potential evaluation of the Longmaxi shale gas reservoir in the Changning area, southern Sichuan Basin

Fig. 1

Location of the study area and distribution of investigation sites. WF1–WF4 refers to the four intervals of the Wufeng formation, LM1–LM9 refers to the nine intervals of the Longmaxi formation, O2b is the Baota formation of the Middle Ordovician, S1l is the Longmaxi formation of the Lower Silurian, S1s–S2 is the Shiniulan and Hanjiadian formations of the Lower to Middle Silurian. Samples XC-1-XC-15 and D1–D7 are collected from the sampling points of series XC and D, respectively

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