What is the other term that refers to a Divergent Plate Boundary
Spreading Center or Constructive Margin
Oceanic Lithosphere or Continental Lithosphere: Which one is younger and why?
Oceanic Lithosphere, due to continuous seafloor spreading
What type of boundary is involved in the Philippine Archipelago and how does it affect the country?
Convergent Plate Boundary - active fault zones and volcanism
Narrow geographic zone on the Earth's surface where most earthquake activities occur
SEISMIC BELT
What happens in a Divergent Plate Boundary?
Plates move away from each other due to the rising convection currents and lateral magma flow. The magma fills in the gap, cools down and creates new crust
A type of stress that occurs in a divergent plate boundary
Tensional Stress
Give ONE real life example of a Geological Feature that resulted from two continental plates moving away from one another
(1) African Rift Valley, (2) Baikal Rift Valley in Russia, (3) Rhine Rift Valley in Germany, (4) Great Rift Valley System
What happens in Oceanic-Oceanic Convergence?
The old oceanic plate subducts under the young oceanic plate. magma is formed and begins to rise to the surface as it sinks.
What is Seafloor Spreading?
Occurs when two oceanic plates move away from one another creating new oceanic crust.
Give 2 geologic features that is associated with Divergent Plate Boundaries
(1) Oceanic Ridges and (2) Rift Valleys
A type of stress that occurs in a convergent plate boundary
Compressive Stress
What happens in a Transform Plate Boundary?
Plates slide horizontally past each other and neither produce nor destroy lithosphere. It causes ground movement and produces fault/fracture zones.
A type of boundary that results to the upwelling of hot material that further turns into a new seafloor
Divergent Plate Boundary
Give at least 2 geologic features associated with Convergent Plate Boundaries
(1) Deep-Ocean Trenches (2) Mountain Ranges (3) Volcanic Arcs and (4) Volcanic Island Arcs
A type of stress that occurs in a Transform Plate Boundary
Shear Stress
Give 3 evidences or Scientific basis of the division of lithospheric plates