Based on the details provided, give a simple illustration of sea floor spreading as an evidence of Continental Drift Theory. Details: • During 1950s and 1960s SONARs and submersibles was used by scientist to study ocean floor. • Ridges and mountains were discovered underneath the ocean. The largest ridge is the Mid oceanic ridge found at the deep of Atlantic Ocean. It has a gigantic cleft of about 32 -48 km long and 1.6 km deep. • Seafloor spreading theory (Harry Hess and Robert Dietz), states that hot, less dense material from the earth’s crust rise towards the surface of the mid-ocean ridge. This material flows sideways carrying the seafloor away from the ridge, and create crack in the crust. The magma flows out of the crack, cools down and becomes the new seafloor.
Based on the details provided, give a simple illustration of sea floor spreading as an evidence of Continental Drift Theory.
Details:
• During 1950s and 1960s SONARs and submersibles was used by scientist to study ocean floor.
• Ridges and mountains were discovered underneath the ocean. The largest ridge is the Mid oceanic ridge found at the deep of Atlantic Ocean. It has a gigantic cleft of about 32 -48 km long and 1.6 km deep.
• Seafloor spreading theory (Harry Hess and Robert Dietz), states that hot, less dense material from the earth’s crust rise towards the surface of the mid-ocean ridge. This material flows sideways carrying the seafloor away from the ridge, and create crack in the crust. The magma flows out of the crack, cools down and becomes the new seafloor.
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