"underground" in inglés with examples - Collocation dictionary inglés
- It was an open pit operation until 1974 when the newly discovered underground deposit was brought to production.
- Chemical analysis of rocks and plants may indicate the presence of an underground deposit.
- Upon their departure, they left behind underground deposits of the black oil virus, in preparation for their return.
- These underground deposits were built with limestone walls and floor slabs.
- Natural gas is taken from underground deposits where it has been trapped for centuries.
- The oceans that once covered the earth left a generous supply of salt beds and underground deposits.
- The Frasch process is a method to extract sulfur from underground deposits.
- The mine was depleted by 1991 and after a failed expansion to more underground deposits it was closed in early 1992.
- Like seeking out underground deposits of various minerals, for instance.
- The surveyors found evidence of underground deposits of oil and gas.
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