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What evidence is not used to support the theory that the continents were once connected?
There are truly only two pieces of evidence that supports this, although they are huge:The continents fit together, like a puzzleThere are species of plants and animals with slight alterations (due to adapting to different environments) present in contrasting continents and were not placed there by humans or spread by other animals (such as birds)
In the 1960s what did scientists find in the central valley of a mid-ocean ridge?
In the 1960s, scientists discovered a central rift valley along the mid-ocean ridge system. This valley is an underwater depression that forms at the crest of a ridge where tectonic plates are moving apart. Here, new oceanic crust is created through volcanic activity, providing important insights into the process of seafloor spreading and plate tectonics.
Are the tops some mid-ocean ridges split by a steep-sided valley?
Yes, mid-ocean ridges are characterized by a central valley where tectonic plates are moving apart, causing seafloor spreading. This results in the formation of new oceanic crust and volcanic activity. The steep-sided valley is known as a rift valley.
What continent are around the pacific plate?
The East Pacific Rise is a site of major seafloor spreading in the Ring of Fire. The East Pacific Rise is located on the divergent boundary of the Pacific Plate and the Cocos Plate (west of Central America), the Nazca Plate (west of South America), and the Antarctic Plate.
How would the history of magnetic reversals show it self on the ocean floor?
It indicates that the crust is growing equally over time on either side of a mid-ocean divergent plate boundary. The magnetic orientation indicates the direction of the magnetic pole at the time the rock's magnetic minerals solidified from lava or magma.
How do rocks along central valley of mid ocean ridge provide evidence of sea floor spreading?
because
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.
Abyssal plains with sediments covering the seafloor igneous rocks are more extensive in the central Pacific basin than in the North Atlantic?
The central Pacific basin has more extensive abyssal plains than the North Atlantic due to its higher rate of seafloor spreading, which results in more frequent and larger deposits of sediments. Additionally, the central Pacific basin has a larger proportion of igneous rocks due to the presence of numerous volcanic islands and mid-ocean ridges in the region, contributing to the overall difference in seafloor composition between the two areas.
What evidence is not used to support the theory that the continents were once connected?
There are truly only two pieces of evidence that supports this, although they are huge:The continents fit together, like a puzzleThere are species of plants and animals with slight alterations (due to adapting to different environments) present in contrasting continents and were not placed there by humans or spread by other animals (such as birds)
How do rocks along the central valley of the mid ocean ridge provide evidence for sea floor spreading?
because the scientists found that the farther the rocks the older the rocks were. so the youngest rocks were found near the mid-ocean ridge. this showed that sea-floor spreading took place. +++ The primary evidence is "magnetic striping": remnant magnetising by the Earth's magnetic field of the iron compounds in the basalt forming the ocean floor. The magnetic traces are parallel to the spreading-ridges, and their polarity reflect the field's periodic reversal. The further from the ridge, the older the stripes. The rock is imprinted with the magnetism as it cools below a certain point in being eruped along the ridge.
How do rocks along the central valley of the mid-ocean ridge provide evidence of sea- floor spreading?
Rocks along the central valley of the mid-ocean ridge display symmetrical patterns of magnetic striping where new oceanic crust is formed. This occurs as magma is extruded along the ridge, creating a record of Earth's changing magnetic field over time. The alternating magnetic polarity of these rocks provides concrete evidence for sea-floor spreading and the movement of tectonic plates.
In the 1960s what did scientists find in the central valley of a mid-ocean ridge?
In the 1960s, scientists discovered a central rift valley along the mid-ocean ridge system. This valley is an underwater depression that forms at the crest of a ridge where tectonic plates are moving apart. Here, new oceanic crust is created through volcanic activity, providing important insights into the process of seafloor spreading and plate tectonics.
How do rocks along the central valley of the mid-ocean ridge provide evidence of sea floor spreading?
Over a long period of time things can move suck as ROCK can move in the ocean from high and low tides, pressure, and waves only up to 3 ft....
How do rocks along the central valley of the mid-ocean ridge provide evidence of the sea floor spreading?
Over a long period of time things can move suck as ROCK can move in the ocean from high and low tides, pressure, and waves only up to 3 ft....
Are the tops some mid-ocean ridges split by a steep-sided valley?
Yes, mid-ocean ridges are characterized by a central valley where tectonic plates are moving apart, causing seafloor spreading. This results in the formation of new oceanic crust and volcanic activity. The steep-sided valley is known as a rift valley.
What physical evidence of Buddhism spreading exists along Silk Road routes north of India?
Physical evidence of Buddhism spreading along Silk Road routes north of India includes stupas, monasteries, and sculptures found in regions such as Gandhara and Central Asia. Notable archaeological sites, like the ruins of ancient Buddhist monasteries at sites like Taxila and Bamiyan, showcase the influence of Buddhist architecture and art. Additionally, the presence of Buddhist inscriptions and artifacts, such as manuscripts and relics, further illustrates the cultural and religious exchange facilitated by these trade routes.
How do rocks along the central valley of the mid ocean ridge provide evidence of sea floor spreading?
Over a long period of time things can move suck as ROCK can move in the ocean from high and low tides, pressure, and waves only up to 3 ft....
