, Top of stratified salt formation (Tertiary-Oligocene). 1392 m: Last casing shoe

, Top of cavern i.e. cavern neck height of 13meters. 1485 m: Top of insoluble sump i.e. the cavern floor. 1530 m: Maximum depth of e sump

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P. Bérest, B. Brouard, and J. G. Durup, Behavior of sealed solution-mined caverns, Proc. 4th Conf. Mech. Beh. Of Salt, 1996.

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P. Berest, B. Brouard, and J. G. Durup, Abandonment of Salt caverns, Rev. Fr. Géotech, 1997.
URL : https://hal.archives-ouvertes.fr/hal-00552263

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URL : https://hal.archives-ouvertes.fr/hal-00111329

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URL : https://hal.archives-ouvertes.fr/hal-00116214

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URL : https://hal.archives-ouvertes.fr/hal-00116235