Manus Plate

The Manus Plate is a 100-km mircoplate located northeast of New Guinea. The Manus Plate was formed in between the North Bismark Plate and the South Bismark Plate. The Manus Plate currently rotates counter-clockwise in the Melanesia area^[1].

Formation

The Manus Plate formed during the Brunhes chron, making its maximum age 780,000 years old ^[2]. The Manus Plate formed in-between and on top of the transform boundaries that were separating the North and South Bismark plates ^[2]. The plate was formed of young mid-ocean ridge basalt, along with pieces of older oceanic floor that had broken off of the South Bismarck plate ^[2].

Boundaries and Movement

The north and northeast boundaries of the Manus Plate, with the North Bismark and Pacific plates are both convergent boundaries ^[3]. The plates southeast borders of the South Bismark plate is a divergent boundary ^[3]. The southwest boundary bordering the South Bismark plate is a transform boundary. The Manus plate currently has a rate of rotation of 51°/ Ma at the spot, -3.04°N, 150.46°E, in the counter-clockwise direction, due to left lateral motion ^[2]. This is likely the fastest plate rotation, on Earth at this time ^[4].

References

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^ Bird, Peter (March 14 2003). "An Updated Model of Plate Boundaries". Geochemistry, Geophysics, Geosystems. 4. {{cite journal}}: Check date values in: |date= (help)
^ Lamonthe, Caroline. "Caroline, North Bismark, Manus, South Bismark". Retrieved March 12 2020. {{cite web}}: Check date values in: |access-date= (help)CS1 maint: url-status (link)
^ "ODP Leg 193: Anatomy of an Active, Felsic-Hosted Hydrothermal System, Eastern Manus Basin". Retrieved March 18 2020. {{cite web}}: Check date values in: |access-date= (help)CS1 maint: url-status (link)
^ Martinez, Fernando; Taylor, Brian (June 1996). "Backarc spreading, rifting, and microplate rotation, between transform faults in the Manus Basin". Marine Geophysical Researches. 18: 2–4.

[:0-1] Cite error: The named reference :0 was invoked but never defined (see the help page).

[:1-2] Cite error: The named reference :1 was invoked but never defined (see the help page).

[:2-3] Cite error: The named reference :2 was invoked but never defined (see the help page).

[:3-4] Cite error: The named reference :3 was invoked but never defined (see the help page).

[:3-5] Bird, Peter (March 14 2003). "An Updated Model of Plate Boundaries". Geochemistry, Geophysics, Geosystems. 4. {{cite journal}}: Check date values in: |date= (help)

[:1-6] Lamonthe, Caroline. "Caroline, North Bismark, Manus, South Bismark". Retrieved March 12 2020. {{cite web}}: Check date values in: |access-date= (help)CS1 maint: url-status (link)

[:0-7] "ODP Leg 193: Anatomy of an Active, Felsic-Hosted Hydrothermal System, Eastern Manus Basin". Retrieved March 18 2020. {{cite web}}: Check date values in: |access-date= (help)CS1 maint: url-status (link)

[:2-8] Martinez, Fernando; Taylor, Brian (June 1996). "Backarc spreading, rifting, and microplate rotation, between transform faults in the Manus Basin". Marine Geophysical Researches. 18: 2–4.

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