Tectonic setting of the Somalia-Nubia plates system. The East African Rift System (EARS: dashed black contour) is a 5000 km long divergent plate boundary between Nubia and Somalia.
What plate boundary is the African plate?
Boundaries. The western edge of the African Plate is a divergent boundary with the North American Plate to the north and the South American Plate to the south which forms the central and southern part of the Mid-Atlantic Ridge.
What type of boundary is the Somali Plate?
The southern boundary with the Nubian-African Plate is a diffuse plate boundary consisting of the Lwandle Plate.
|Approximate area||16,700,000 km2|
Is the African plate convergent?
The African plate has two of these types of plate boundaries around its border. The northern part of the plate is a convergent boundary where the African plate is subducting below the Eurasian plate. Subduction zones are convergent boundaries, and where they collide, one plate dives below the other.
Is African plate made of oceanic crust or continental crust?
The African Plate is both oceanic and continental. It has the whole African continent on top of it as well as the oceanic crust of the Atlantic Ocean. There is a divergent boundary between the African plate and the North American Plate and the South American Plate.
Is San Andreas Fault a plate boundary?
The San Andreas Fault is part of a transform plate boundary that disrupts the topography of an ancient subduction zone. … The transform plate boundary is a broad zone forming as the Pacific Plate slides northwestward past the North American Plate. It includes many lesser faults in addition to the San Andreas Fault.
What is the plate boundary between Antarctic Plate and African plate?
The boundary between the two plates is the Nootka Fault, which is the location of frequent small-to-medium earthquakes (roughly up to magnitude 5), as depicted by the red stars. Explain why the Nootka Fault is a transform fault, and show the relative sense of motion along the fault with two small arrows.
Is the Somali Plate new?
Since then, the Somali plate has been separating from the rest of Africa with an average rate of ~25.4mm/ year and moved ~360km across the rift within 10Ma (figure 1). Projecting this rate suggests that within about 1 million years, there will be infilling of a new ocean between Somalia and Africa.
Can divergent boundaries cause volcanoes?
Most volcanoes form at the boundaries of Earth’s tectonic plates. … The two types of plate boundaries that are most likely to produce volcanic activity are divergent plate boundaries and convergent plate boundaries. Divergent Plate Boundaries. At a divergent boundary, tectonic plates move apart from one another.
Where is there a divergent plate boundary?
Most divergent boundaries are located along mid-ocean oceanic ridges (although some are on land). The mid-ocean ridge system is a giant undersea mountain range, and is the largest geological feature on Earth; at 65,000 km long and about 1000 km wide, it covers 23% of Earth’s surface (Figure 4.5. 1).
Is Sicily on the African plate?
Sicily. While people generally consider the island of Sicily, just off the coast of the Italian Peninsula, to be European, it is in fact a part of the African plate.
How deep is the African plate?
The African plate includes 0 age oceanic lithosphere created at the Red Sea and Gulf of Aden mid-ocean ridges, 175 Ma oceanic lithospheric, and > 2.5 Ga Archaean cratons that are more than 170 km thick.
Is Israel on the African plate?
Israel is situated along the border between the African Tectonic Plate and the Arabian Tectonic Plate. The border between these two plates forms part of the Great Rift Valley, the world’s most extensive geological fault, which extends southward through eastern Africa as far south as Mozambique.