Why does the process in the side slits happen?
Why does the process in the side slits happen? Answer. Answer: Side Slits are the resultant of subduction, a geological process wherein a tectonic plate mobes under another plate. In addition, the subducting plate is one that goes under the other platex which is called overriding plate.
What processes happen at the side slits as the new seafloor form at the Mid-Ocean Ridge?
Seafloor spreading or Seafloor spread is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge.
What geologic feature is formed at the two side slits?
Rift Valleys
When divergent boundaries occur in continental plates, a different geological feature, called a rift valley, is formed.
What is happening at slits A and C?
The more dense oceanic crust sinks back into the mantle and is being recycled. The feature that occurs at Slit A and C is a subduction zone or deep ocean trench.
What process is involved when the oceanic crust plunges down into the mantle?
This process, called subduction, occurs at the oceanic trenches (figure 6). The entire region is known as a subduction zone. Subduction zones have a lot of intense earthquakes and volcanic eruptions. The subducting plate causes melting in the mantle.
What happens to older oceanic crust as new rock is formed?
As old oceanic crust is subducted and melted into magma, new oceanic crust in the form of igneous rock is formed at mid-ocean ridges and volcanic hotspots.
What does the center of the slit in the seafloor model represent what process occurs in this region?
The center slit represents a Mid-Ocean Ridge 2. … Seafloor spreading is the creation of new seafloor or new oceanic crust 5.
How will you relate the activity in the process of seafloor spreading?
Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle’s convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor.
What was the observation that led to the hypothesis of seafloor spreading?
Scientists brought these observations together in the early 1960s to create the seafloor spreading hypothesis. In this hypothesis, hot buoyant mantle rises up a mid-ocean ridge, causing the ridge to rise upward.The hot magma at the ridge erupts as lava that forms new seafloor.
Why must the stripes be identical on both sides of the center slit?
Why is it important that your model have an identical pattern of strips on both sides of the center slit? The model has identical strips because, as the magma rises at the mid ocean ridge ½ goes to the right and ½ goes to the left of the mid ocean ridge. Each one of these strips represents Earth’s magnetic history.
What does the plate tectonic theory states?
The theory of plate tectonics states that the Earth’s solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.
What do the lines on the bond paper represent?
bonds in the plane of the page are drawn as lines. bonds coming towards the viewer, out of the paper, are drawn as wedges, with the wide part closest to the viewer. bonds going away from the viewer, behind the paper, are drawn as dashes, with the wide end furthest from the viewer.
How seafloor spreading occurs in the mid-ocean ridge and the formation of the new oceanic crust?
At mid-ocean ridges, tectonic plates move apart and seafloor spreading occurs. … It then cools and solidifies in the center of the ridge. The rising magma pushes up between the plates and drives them further apart. As new crust is forming at the spreading center, it pushes the older crust apart.
What happens when plates transform?
When oceanic or continental plates slide past each other in opposite directions, or move in the same direction but at different speeds, a transform fault boundary is formed. No new crust is created or subducted, and no volcanoes form, but earthquakes occur along the fault.
How were the tectonic plates formed?
The plates — interlocking slabs of crust that float on Earth’s viscous upper mantle — were created by a process similar to the subduction seen today when one plate dives below another, the report says. … Other researchers have estimated that a global tectonic plate system emerged around 3 billion years ago.
How do you explain plate tectonics to a child?
What happens at transform boundaries between earthquakes?
Transform plate boundaries produce enormous and deadly earthquakes. These quakes at transform faults are shallow focus. This is because the plates slide past each other without moving up or down. The San Andreas Fault that runs through much of California is an enormous transform plate boundary.
What happens at convergent boundaries?
Convergent (Colliding): This occurs when plates move towards each other and collide. When a continental plate meets an oceanic plate, the thinner, denser, and more flexible oceanic plate sinks beneath the thicker, more rigid continental plate. This is called subduction.