OCEAN RIDGE SYSTEM

• MOUNTAINOUS CHAIN OF BASALTIC ROCK AT THE ACTIVE SPREADING CENTER OF AN OCEAN

• 65,000 km (40,000 miles)

• MORE THAN 11/2 TIMES THE EARTH’S CIRCUMFERENCE

• GIRDLES THE GLOBE AS DO STITCHES OF A SOFTBALL

• SEVERAL HUNDRED MILES WIDE

Previous slide

Next slide

Back to first slide

View graphic version