How Old Is The Oldest Ocean Floor. It may be surprising considering that parts of the continental crust are close to 4000 Ma old that the oldest sea floor is. 100 million-year-old life forms found on the ocean floor They could be the oldest known organisms on planet earth.
But researchers in the Mediterranean Sea have found a chunk of ocean floor that may be 340 million years. Why is the oldest ocean floor only 180 million years old. Oceanic crust is being continually created in mid ocean spreading zones and destroyed in subduction zones.
Among the oldest rocks from the Oceansea floor is the Dongwanzi Ophilolite which is about 3 miles 5km wide about 30 miles 50km long and 9 miles 14km thick.
They are approx 180 million years old. All records listed on our website are current and up-to-date. Approximately one billion years old. Oceanic crust is being continually created in mid ocean spreading zones and destroyed in subduction zones.
