The evolution of Laurentia can be described as continental growth by the accretion of younger terranes to an Archean core.

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Laurentia, also known as the North American craton, is thought to have formed by the accretion of smaller continental terranes (such as parts of Greenland) to an ancient Archean core around 2.5-1.8 billion years ago. This process of continental growth through the addition of younger terranes is a common way in which cratons form and evolve.

The Evolution of Laurentia Can Be Described as Continental Growth