It is also said that he thought that the rectangular chambers looked like the cells in some monasteries. Physically cells always have a boundary membrane, a little like a polythene bag encloses contents within it. Inside the space limited by the membrane there is an remarkable chemical processing unit.
Iceland is a place where, because of large amounts of lava extrusion, the ocean floor is, in effect, above sea level, making it easy to study ocean floor spreading. You can affix strain gauges on many parts of the spreading ridge. 6 people found this useful.
Harry Hess, not Harry Potter! Sea-Floor Spreading Harry Hess Sea Vents Sea Vents Pillow Lava forms when magma cools in water. This is evidence of volcanic activity! This shows you the age of the sea floor. The red areas are new rocks and the blue areas are the oldest oceanic rock. Iceland is spreading open on the Mid-Atlantic Ridge!