new rocks

What Kind Of Processes Recycle Rocks?

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What Kind Of Processes Recycle Rocks? Rocks are heated, metamorphosed, melted, weathered, sediment is transported, deposited and lithified, then it may be metamorphosed again in yet another cycle. What are rocks and how are they recycled by the rock cycle? Once exposed, they are weathered, both physically (by mechanical breaking of the rock) and chemically

Are All Rocks Old?

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Are All Rocks Old? Are all rocks old? These rocks vary greatly in age, a reflection of their different ages of formation and their subsequent histories. The oldest dated moon rocks, however, have ages between 4.4 and 4.5 billion years and provide a minimum age for the formation of our nearest planetary neighbor. Are all