A structure that is visible in rock and not the specialised terms for structures in thin sections.
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According to Chevron's website, the Aparo field and the third-party-owned Bonga SW Field in Nigeria share a common geologic structure.
2
The site includes the discovery of a geologic structure known as a kimberlite pipe, igneous formations where diamonds often can be found.
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But the region about is of interest for its wonderful geologic structure and for the many ruins of ancient pueblos found in the neighborhood.