Age-of-Ocean-Floors

Tectonic Boundaries

Continental Overthrusting

Continental Rift

Continental Transform Fault

Oceanic Overthrusting

Oceanic Spreading Rift

Oceanic Transform Fault

Wadati-Benioff Seismofocal Zone

Plate Convergence

Convergence Arrows

39 mm/yr

58 mm/yr

73 mm/yr

Convergence Arrow Descriptions

Convergence is approximately 39 mm per year
Convergence data are shown by arrows describing direction and speed, relative to the plate across the boundary.
For more information, see This Dynamic Planet.

Convergence is approximately 58 mm per year
Convergence data are shown by arrows describing direction and speed, relative to the plate across the boundary.
For more information, see This Dynamic Planet.

Convergence is approximately 73 mm per year
Convergence data are shown by arrows describing direction and speed, relative to the plate across the boundary.
For more information, see This Dynamic Planet.

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Isochrons (5 Millions Years)

Contours (5 Millions Years)

Scale in Millions years