In what year did CUSS 1 drill the first deep-sea hole in 3,800 meters of water off Guadalupe Island, Mexico?

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Multiple Choice

In what year did CUSS 1 drill the first deep-sea hole in 3,800 meters of water off Guadalupe Island, Mexico?

Explanation:
The main idea here is recognizing a historical milestone in offshore drilling. CUSS I achieved the first deep-sea borehole at about 3,800 meters of water off Guadalupe Island, Mexico, in 1961, specifically in April. This date marks the initial breakthrough in drilling at such great depths, establishing a precedent for future deep-sea operations. The other years listed don’t correspond to this record-setting event, so 1961 is the correct year for when that first deep-sea hole was drilled.

The main idea here is recognizing a historical milestone in offshore drilling. CUSS I achieved the first deep-sea borehole at about 3,800 meters of water off Guadalupe Island, Mexico, in 1961, specifically in April. This date marks the initial breakthrough in drilling at such great depths, establishing a precedent for future deep-sea operations. The other years listed don’t correspond to this record-setting event, so 1961 is the correct year for when that first deep-sea hole was drilled.

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