Peat layer is on the continental shelf there was lush vegetation of a proof.

泥炭层是大陆架上曾经有茂盛植物的一个印证。

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There into the sea on the continental shelf of alluvial river delta formation.

在大陆架上有流入大海的江河冲积形成的三角洲。

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Almost all the sediments on the continental shelf from the land-based sediment brought by rivers, while the ocean so much as.

大陆架上的沉积物几乎都是由陆地上的江河带来的泥沙，而海洋的成分很少。

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In his first week as president, Obama rescinded a Bush executive order that permitted drilling on the continental shelf.

FORBES: A "Mean Green", Obama Wages War Against Cheap Energy

An agency called the Commission on the Limits of the Continental Shelf decides on the merits of the case, but it has no powers of enforcement.

ECONOMIST: The Arctic

Business advisory firm Deloitte said the amount of drilling, as well as the number of oil and gas field deals on the UK Continental Shelf, levelled out in the first quarter of this year.

BBC: Deloitte: Prolonged winter subdued North Sea activity