DEEP-SEA DRILLING

AGES OF THE SEAFLOOR INFERRED FROM MAGNETIC ANOMALIES WERE CONFIRMED BY DRILLING INTO THE SEA FLOOR USING A SPECIALLY DESIGNED SHIP THAT CAN DRILL INTO THE SEAFLOOR THOUSANDS OF METERS BELOW USING VERY PRECISE POSITIONING TECHNOLOGY TO MAINTAIN ITS POSITION

AND RECOVER ROCK SAMPLES FOR ANALYSIS

(Ocean Drilling Program)