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- Subduction polarity reversal is a geologic process in which two converging plates switch roles: The over-lying plate becomes the down-going plate, and vice versa. There are two basic units which make up a subduction zone. This consists of an overriding plate and the subduction plate. Two plates move towards each other due to tectonic forces. The overriding plate will be on the top of the subducting plate. This type of tectonic interaction is found at many plate boundaries. However, some geologists propose that the roles of the overriding plate and subducting plate do not remain the same indefinitely. Their roles will swap, which means the plate originally subducting beneath will become the overriding plate. This phenomenon is called subduction switch, the flipping of subduction polarity or subduction polarity reversal. Examples of subduction systems with subduction polarity reversal are:
* Caledonides, Ireland
* Alps-Apennines, Italy
* Kamchatka, Russia
* Wetar, eastern Indonesia
* Timor, east Savu Sea
* Mediterranean
* Taiwan (en)
- 俯冲极性反转（英語：subducation polarity reversal）是指在会聚邊界，两个板块互换角色的地质过程：即上覆板块成为下降板块，反之亦然。例如蘇俄太平洋堪察加半島、印度尼西亞韋塔島 等地皆報道有俯冲极性反转地质过程。 俯冲极性反转的成因是当兩大洋板塊碰撞時發生，密度较高的大洋板块往下俯冲，另一块則覆盖在下降的板块之上。 如果俯冲的大洋板块上帶有大陆地壳，當大陆地壳邊緣被俯冲板块帶到俯冲帶時，因大陆地壳質輕具浮力，不能向下俯冲，就造成板块的俯冲变得更慢，甚至可能停止后再進行俯冲极性反转. (zh)
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- 俯冲极性反转（英語：subducation polarity reversal）是指在会聚邊界，两个板块互换角色的地质过程：即上覆板块成为下降板块，反之亦然。例如蘇俄太平洋堪察加半島、印度尼西亞韋塔島 等地皆報道有俯冲极性反转地质过程。 俯冲极性反转的成因是当兩大洋板塊碰撞時發生，密度较高的大洋板块往下俯冲，另一块則覆盖在下降的板块之上。 如果俯冲的大洋板块上帶有大陆地壳，當大陆地壳邊緣被俯冲板块帶到俯冲帶時，因大陆地壳質輕具浮力，不能向下俯冲，就造成板块的俯冲变得更慢，甚至可能停止后再進行俯冲极性反转. (zh)
- Subduction polarity reversal is a geologic process in which two converging plates switch roles: The over-lying plate becomes the down-going plate, and vice versa. There are two basic units which make up a subduction zone. This consists of an overriding plate and the subduction plate. Two plates move towards each other due to tectonic forces. The overriding plate will be on the top of the subducting plate. This type of tectonic interaction is found at many plate boundaries. Examples of subduction systems with subduction polarity reversal are: (en)
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- Subduction polarity reversal (en)
- 俯冲极性反转 (zh)
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