rift-valley

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Exempel på rift valley

  • We saw the food aid that was being provided to help to mitigate the effects of the drought in the rift valley.

  • A great rift valley also extends along the ridge over most of its length.

  • Several maar lakes exist in the rift valley adjacent to the volcano.

  • There are at least 20 hot springs, characteristic of a rift valley, in the valley or on its escarpments.

  • There have been recent earthquakes along the rift valley, the most recent being in 2000.

  • Over millions of years, the rift valley was faulted, tilted, and eroded, until the edges of the hard flood basalt layers formed ridges.

  • As the rift valley sank, the deposits were overlaid by sediment, which turned to rock under pressure.

  • Again, the floor of the rift valley is quite flat here providing a marked contrast to the escarpment.

  • There are some hot springs characteristics of a rift valley to the east.

  • There are known kimberlite pipes within the rift valley that are considered to be diamondiferous.

  • Raised coral reefs along the east coast and the frequent occurrences of earthquakes in the rift valley indicate that the fault block is still rising.

  • The half grabens may have alternating polarities along the rift axis, dividing the rift valley into segments.

  • During this period of evaporation large evaporite deposits will be made in the rift valley.

  • The intervening dropped blocks are termed graben: these can be small or form extensive rift valley systems.

  • With further subsidence of the rift valley floor, the sediments became more sandy.

Betydelse av rift valley

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NYA ORD

European

May 10, 2021

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DAGENS ORD

Shimmer

May 10, 2021

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