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Кръстосана връзка

Кръстосаната връзка е принципът в геологията по отношение на преминаващите слоеве.
Това означава, че ако дигата пресече колона от утайки, дигата трябва да е по-млада. Също така е възможно да разгледате грешките по този начин, за да кажете кога е възникнала грешката.

The photo shows a really good example of cross-cutting relations. The light gray intrusion is located in Sweden. It is cut by a white intrusion (pegamtite), which is cut by a black intrusion (diabase). Since the black intrusion is whole (not cut by any intrusion) it is the youngest. The white intrusion is the second youngest because it is cut by the black intrusion, but cuts in to the light-gray intrusion. The light-gray intrusion is the oldest because: it is cross-cut by the white and the black intrusion.

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