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Which materials occur in salt domes in Iran?
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salt dome
Figure 1: Interrelationships of salt structures (see text)
In Iranian salt domes, the core is composed of halite (sodium chloride) mixed with several other materials. Specifically, these domes contain:
- Anhydrite (calcium sulfate)
- Marl (argillaceous limestone)
- Large blocks of limestone
- Large blocks of igneous rock1
These components are characteristic of the complex composition found within these geological structures.1