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passive margin

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passive margin

In plate tectonics, a boundary between oceanic and continental crust that is within a single tectonic plate rather than at the boundary between two plates. Very little tectonic activity occurs at passive margins. Examples include the east coast of North America and the entire coast of Australia.



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9781862392618 The nature and origin of compression in passive margins.
But then we live in a 3D world, as is confirmed by the variety of passive margin features described in this volume.
Today LIPs (composed primarily of iron- and magnesium-rich rock) are found both on land, as continental "flood basalts," and under the sea, mostly as oceanic plateaus in the middle of oceans and as volcanic passive margins along the edges of continents.
 
 
 
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