The diagram below illustrates how fossils were exposed beneath a cliff as a result of coastal erosion.

The diagram shows how to expose fossils beneath a

cliff

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consequence of coastal

erosion

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.

Overall

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, there are two stages in the process of exposing fossils under a

cliff

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causing coastal decrease waiting until low

tide

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, and digging the dangerous

erosion

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area of the

cliff

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. In the first stage of waiting until low

tide

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, we can see that when the

tide

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is high, it creates huge waves

that

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is

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are

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as high as half of the

cliff

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height to crash into the

cliff

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to make an

erosion

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region of the

cliff

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.

This

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erosion

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zone is dangerous.

On the other hand

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, when the

tide

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is low, it reveals a sloping rocky flatform. In the second stage, when miners can go on sloping rocky flatforms on their feet, it is the right time for them to expose the dangerous zone of the

cliff

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.

Firstly

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, they dig a previous position of the

cliff

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face very carefully,

then

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, they continuously dig the second layer of the

cliff

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retreating more thoroughly before exposing fossils.