Plate Boundaries
The three types of plate boundaries
What are convergent, divergent and transform?
Referred to as SIMA
Oceanic Plate
A long narrow extensive elevation of the sea floor as it spreads
What is an Ocean Ridge?
The Great Rift Valley is located here
Where is Africa?
Drifting of landmasses
What is Continental drift?
Subduction zone is formed at this plate boundary
What is Convergent or destructive?
The Curst and upper part of the asthenosphere
What is the Lithosphere?
As the continental plate push against the subduction plate or another continental plate its strata bends create a series of elevated landmasses on the earth surface
What are fold mountains?
Volcanic Country found at a Mid Ocean Ridge
Where is Iceland?
What is Sea floor spreading?
New crust is formed at this plate boundary
What is Divergent or Constructive?
This part of the earth makes up 31% of the earth's mass
What is the core?
V- shaped depression relatively narrow in width, formed at subduction zones and make up the deepest parts of the oceans.
What is an Ocean Trench?
San Andreas Fault
Where is California USA?
Observations made by Alfred Wegener
What are: shape of continents, fossil evidence, matching rock types and geological structures, and ancient climate patters?
No volcanic activity occurs at this plate
What is Transform?
The convection currents is generated by the heat from this part of the earth
What is the Core?
Vents in the earth’s crust that allows hot molten material to the surface
What are Volcanoes?
Mountain Range formed by Eurasian and Indo Australian plate
Where is the Himalayas?
Difference between Continental Drift and Plate tectonic theory?
What is Plate tectonic theory that explains the moving of the continental and as well oceanic plates. Continental drift focused on the movement of continents.
The plate boundaries surrounding the Caribbean
What is Transform north and south and Convergent east and west?
Results in volcanic features within an actually plate and not along a plate boundary
What are hot spots?
A lowland region that forms were the tectonic plates move apart. It is different from river valleys are it is created by tectonic activity and not by the process of erosion.
What are Rift valleys?
The deepest oceanic trench in the world
Where is Mariana Trench? (Pacific Ocean)
Reason for Alfred Wegner theory being accepted
What is the discovery of sea floor spreading?