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What geographical features provide evidence for plate tectonics?
Submarine mountain ranges, like the Mid-Atlantic Ridge, and deep oceanic trenches, such as the Mariana Trench, are evidence for plate tectonics. Earthquakes and volcanic activity along plate boundaries also support the theory of plate movement. Additionally, the distribution of rock types, fossils, and ancient climate indicators across continents provide further evidence for plate tectonics.
What is responsible for the formation of ocean-floor features?
Plate tectonics and (river) erosion are responsible for the formation of ocean-floor features.
What is responsible for the formation of ocean floor features?
Plate tectonics and (river) erosion are responsible for the formation of ocean-floor features.
How do the features of the ocean floor help support the theory of plate tectonics?
The features of the ocean floor, such as mid-ocean ridges, deep-sea trenches, and underwater volcanoes, provide evidence for the theory of plate tectonics. These features are formed by processes like seafloor spreading, subduction, and volcanic activity, which are central to the movement of Earth's tectonic plates. Additionally, the magnetic striping pattern on the ocean floor supports the idea of seafloor spreading and plate movement over time.
What is proof of theory of plate tectonics developed?
The theory of plate tectonics is supported by evidence such as the matching coastlines of continents, distribution of earthquakes and volcanoes along plate boundaries, and the mapping of magnetic striping on the ocean floor. Additionally, studies of mid-ocean ridges and subduction zones provide further evidence for the movement of Earth's lithospheric plates.
What are the three lines of evidence for Plate Tectonics?
The three lines of evidence for Plate Tectonics are: 1) the distribution of earthquakes and volcanoes along plate boundaries, 2) the matching shapes of continents on opposite sides of the Atlantic Ocean, known as continental drift, and 3) the patterns of magnetic striping on the ocean floor that provide evidence of seafloor spreading.
Why are magnet patterns important evidence for plate tectonics?
magnetic rocks on the ocean floor show that the Earths magnetic field has been frequently reversed forming new sea floor.
How magnetic reversals provide evidence for sea floor spreading?
Because of the stripes at the sea floor which are magnetic minerals
Strips of alternating magnetic polarities found in rocks in the ocean basins?
They are known as magnetic stripes and are formed as new sea floor is created at mid-ocean ridges. When molten rock solidifies, it preserves the direction of Earth's magnetic field at that time, creating a record of magnetic reversals in the oceanic crust. The alternating stripes of normal and reversed polarity provide evidence for seafloor spreading and plate tectonics.
What was the new evidence that was discovered that supported the theory of plate tectonics and when was it discovered?
In the 1950's a research team that was mapping the ocean floor discovered strange features around the Mid-Atlantic Ridge that indicated the ridge was seismologically active. Further mapping indicated that all of Earth's oceans had similar ridge systems, supporting the theory of plate tectonics the spreading of the sea floor
Is plate tectonics the main lines of evidence are fossils climate clues rock and the theory of seafloor spreading?
Yes, plate tectonics is supported by various lines of evidence such as fossils showing similar species on different continents, climate clues like ancient glaciers in tropical regions, rock formations matching across continents, and the theory of seafloor spreading confirmed by magnetic striping on the ocean floor. These pieces of evidence collectively support the concept of plate tectonics and the movement of Earth's lithosphere.
Who Used sonar to prove sea floor spreading?
The researchers who used sonar to provide the first detailed evidence of sea floor spreading were Bruce Heezen and Marie Tharp in the early 1950s. Tharp's mapping of the Atlantic Ocean floor using sonar revealed the presence of the Mid-Atlantic Ridge and provided crucial support for the theory of plate tectonics.
