What type of plate boundary is Antarctic and South American plate?
The two longest boundaries—those with the Antarctic and South American plates—are both sinistral strike-slip boundaries (Thomas et al., 2003). The southern border with the Antarctic plate, known as the South Scotia Ridge, moves with a rate of 7.5-9.5 mm/yr.
Which type of plate boundary is between the Antarctic and Australian plates?
divergent boundary
The southerly side is a divergent boundary with the Antarctic Plate called the Southeast Indian Ridge (SEIR). The subducting boundary through Indonesia is not parallel to the biogeographical Wallace line that separates the indigenous fauna of Asia from that of Australasia.
What plate is South American and African plates?
The Mid Atlantic Ridge, like other ocean ridge systems, has developed as a consequence of the divergent motion between the Eurasian and North American, and African and South American Plates.
What type of plate boundary is between the Antarctic Plate and the Pacific Plate?
The southern side is a divergent boundary with the Antarctic Plate forming the Pacific–Antarctic Ridge.
What type of plate movement happens between Antarctic and Scotia?
The relative motion between the Scotia Plate and the Antarctic Plate on the western boundary is 7.5–8.7 mm/yr. Though the South Scotia Ridge is overall a transform fault, small sections of the ridge are spreading to make up for the somewhat jagged shape of the boundary.
Is the South American Plate convergent or divergent?
The South American Plate is the smallest major plate But the eastern edge lies in the Atlantic Ocean at a divergent plate boundary. Along the African Plate boundary, these two plate boundaries pull apart from each other. This diverging plate motion creates some of the youngest oceanic crust on the planet.
What plates are in the Antarctic?
Today the continent of Antarctica is part of the larger Antarctic Plate which is one of the Earth’s seven major tectonic plates. The Antarctic Plate includes continental crust making up Antarctica and its continental shelf, along with oceanic crust beneath the seas surrounding Antarctica.
What kind of plate is Antarctic Plate?
tectonic plate
The Antarctic Plate is a tectonic plate containing the continent of Antarctica, the Kerguelen Plateau and extending outward under the surrounding oceans….
| Antarctic Plate | |
|---|---|
| Type | Major |
| Approximate area | 60,900,000 km2 (23,500,000 sq mi) |
| Movement1 | south-west |
| Speed1 | 12–14 mm (0.47–0.55 in)/year |
What type of plate is the South American Plate?
At the Chile Triple Junction, near the west coast of the Taitao–Tres Montes Peninsula, an oceanic ridge known as the Chile Rise is actively subducting under the South American Plate….
| South American Plate | |
|---|---|
| Type | Major |
| Approximate area | 43,600,000 km2 (16,800,000 sq mi) |
| Movement1 | West |
| Speed1 | 27–34 mm (1.1–1.3 in)/year |