The Amazon Area of South America

The Amazon is aligned from west to east, and the estuary is on the equator line. According to the convection rolls model, the estuary is exactly on the down-welling division line between large convection rolls of lower mantle. From there, 30° westwards, is the west coast of S-America with a deep trench. The trench is connected with a down-welling division line of the upper-most convection rolls.

South America Spans 30° along Equator Line

The Amazon River actually follows the equatorial parallel. The 30° span is then followed by 60° span along equator to Africa, and the 30° span from west coast of Africa to the Great Rift Valley. At each of these points, a division line of convection rolls of lower mantle is found. The Amazon is roughly marked with a blue line.

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