How did researchers in the mid-twentieth century obtain ocean floor samples in order to determine the age of the seafloor?

Question

Quizplus · Accepted Answer

Researchers in the mid-twentieth century obtained ocean floor samples using drilling ships, specifically the Glomar Challenger, to collect sediment and rock cores from the seafloor. These samples were then analyzed to determine the age of the seafloor through techniques such as radiometric dating.

How Did Researchers in the Mid-Twentieth Century Obtain Ocean Floor