北美晚古生代钾盐大规模集中成矿作用，也与该时期北美大陆古赤道位置密切相关。

The extensive deposition of potash salts in North America in Paleozoic Era was associated closely with the position of paleoequator.

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新生代板块构造旋回早期藏南—印度古陆从冈瓦纳大陆裂解出来，从南半球向赤道漂移；

During early Mesozoic—Cenozoic cycle, south Tibetan—Indo protocontinent was disintegrated from the Gondwana, drifting toward the equator from southern hemisphere;

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新生代板块构造旋回早期藏南—印度古陆从冈瓦纳大陆裂解出来，从南半球向赤道漂移；

During early Mesozoic—Cenozoic cycle, south Tibetan—Indo protocontinent was disintegrated from the Gondwana, drifting toward the equator from southern hemisphere;

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