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Stone and rock cycle, since the cool world
. Rocks and minerals, it has begun to take shape, and the current and emerging. Rocks and minerals that occur indicating a long evolution of the world when approximately 4,500 million years. Scientists can find the age of the Earth and discover the incidence time incurred by critical studies rocks and minerals
-rocks are the oldest rocks from space with old age more than 4,600 million years. Named "rock icon daira"

Rock and rock cycle
since the earth cooled down Rock and mineral formation began and occurred all along until now. Rock and mineral occurrences indicate the evolution of Earth's long about 4,500 million years old, scientists can date the world and discover the incidence of major incurred by the study of rocks and minerals.
- rock the oldest. A rock from outer space, the 4,600-million-year-old, named "stone chondrites".

Rock and rock cycle
since the earth cooled Rock and mineral forming and was always present Rock and mineral occurrence indicates the evolution of the world about 4 long500 million years, scientists can find and discover the world age incidence, caused by the study of rocks and minerals
- stone age old A stone from space age old, more than 4600 million years, called "stone chondrite"