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First related the symmetrical magnetic patterns in seafloor basalts to seafloor spreading at a mid-ocean ridge?
Lawrence W. Morley, Frederick John Vine, and Drummond Hoyle Matthews were the first to tie magnetic stripe anomalies to seafloor spreading. The magnetic anomalies was the first evidence that supported the theory of seafloor spreading.
How does seafloor spreading explain continental drift?
Seafloor spreading is caused by two plates moving apart. This is caused by plate tectonics. Continental drift is also caused by plate tectonics. Therefore, we can conclude that continental drift is related to seafloor spreading. When the plates move, it carries the continents with it, and thus the continents drift away from each other.
What are earthquakes related to?
Earthquakes are related to the movement of tectonic plates along faults in the Earth's crust. The sudden release of energy during this movement causes seismic waves that result in the shaking of the ground. Plate boundaries, such as convergent, divergent, and transform boundaries, are common locations for earthquakes to occur.
How are Harry Hess's and Alfred Wegener's hypothesises similar?
Both Harry Hess and Alfred Wegener proposed groundbreaking theories related to the movement of Earth's crust. Wegener's hypothesis of continental drift suggested that continents were once connected and have since moved to their current positions, while Hess's hypothesis of seafloor spreading explained how new oceanic crust forms at mid-ocean ridges and pushes older crust away. Both hypotheses contributed to the development of the theory of plate tectonics, which revolutionized our understanding of the Earth's dynamic processes.
What are the three different types of plate boundary and what are their relative motions?
The three main types of plate boundary are:Convergent boundaryDivergent boundaryTransform boundaryAt a convergent boundary the two plates are moving towards each other. Depending on the type of plate this can cause the formation of fold mountains (a process known as orogenesis - where a continental plate collides with a second continental plate), the formation of a subduction zone characterized by oceanic trenches and volcanic arcs (where oceanic crustal plates collide with and are forced under continental crustal plates). Occasionally in the same environment obduction can occur where small slivers of oceanic crust are forced up over the continental crust, thus being preserved.At divergent boundaries the plates are moving away from each other and as such create tensile stress features such as normal faults. These can form horst and graben structures in the crust which under further extensional stress can become rift zones and ultimately form new mid oceanic ridges.Transform faults are characterized by the parallel motion of the two differing plates (i.e. they slide past each other). Crust is neither created nor destroyed at transform boundaries, however there can be seismic activity.Please see the related links.
How are spreading boundaries related to volcanoes?
they are not
Who first related the symmetrical magnetic patterns in seafloor basalt to seafloor spreading at a mid ocean ridge?
Vine and Matthews
Which of these hazards out of earthquakes volcanoes mountains trenches and mudslides are at convergent boundaries?
Earthquakes and volcanoes are hazards typically associated with convergent boundaries where tectonic plates collide. Mountains can also form at convergent boundaries due to the collision of plates. Trenches are associated with subduction zones at convergent boundaries where one plate is forced beneath another. Mudslides are not directly related to convergent boundaries.
How are seafloor spreading and continental drift related?
Seafloor spreading is a key component of the theory of continental drift. As new oceanic crust forms at mid-ocean ridges during seafloor spreading, it pushes the existing crust outward on both sides of the ridge. This movement can help explain how continents have shifted positions over time due to the movement of tectonic plates.
First related the symmetrical magnetic patterns in seafloor basalts to seafloor spreading at a mid-ocean ridge?
Lawrence W. Morley, Frederick John Vine, and Drummond Hoyle Matthews were the first to tie magnetic stripe anomalies to seafloor spreading. The magnetic anomalies was the first evidence that supported the theory of seafloor spreading.
What is an accumulation of ocean floor sediment formed at convergent boundaries?
This is known as an accretionary wedge or prism. Please see the related link.
What are three types of of plate boundaries?
Oceanic-Continental Convergence - Andean-Type - the Andes MountainsOceanic-Oceanic Convergence - Aleutian-Type - island arcsContinental-Continental Convergence - the Appalachian Mountains
How does seafloor spreading explain continental drift?
Seafloor spreading is caused by two plates moving apart. This is caused by plate tectonics. Continental drift is also caused by plate tectonics. Therefore, we can conclude that continental drift is related to seafloor spreading. When the plates move, it carries the continents with it, and thus the continents drift away from each other.
What is the relationship between platetectonics and seafloor spreading?
Plate tectonics is the theory that earth is made of plates that move slowly. Sea floor spreading is related to this because the split created in the sea floor is created by the plates moving apart.
Which two scientists proved that a symmetrical magnetic pattern existed in seafloor basalts and related those stripes to spreading at a mid-oceanic ridge?
The two scientists who proved the existence of symmetrical magnetic patterns in seafloor basalts and related those stripes to mid-oceanic ridge spreading were Frederick Vine and Drummond Matthews. Their research, published in 1963, demonstrated that these magnetic stripes were evidence of seafloor spreading and provided crucial support for the theory of plate tectonics. Their findings showed that the Earth's magnetic field has reversed polarity over time, creating distinct patterns on either side of mid-ocean ridges.
How is convergent and divergent boundaries related in the subcontinent cycle?
Convergent and divergent boundaries are key components of the supercontinent cycle, which describes the processes of continental formation and breakup. At convergent boundaries, tectonic plates collide, leading to mountain building and subduction, while at divergent boundaries, plates move apart, allowing new crust to form. These opposing processes contribute to the cyclical nature of tectonic activity, where continents eventually merge into supercontinents and later break apart again. Together, they drive the dynamic changes in Earth's lithosphere over geological timescales.
What kind of plate boundaries create volcanoes?
Volcanoes primarily form at convergent and divergent plate boundaries. At convergent boundaries, one tectonic plate subducts beneath another, leading to melting of the mantle and the formation of magma, which can rise to create volcanoes. At divergent boundaries, tectonic plates pull apart, allowing magma to rise from the mantle to the surface, resulting in volcanic activity. Additionally, hotspots, which are not directly related to plate boundaries, can also create volcanoes, as seen with the Hawaiian Islands.
