But most scientists do not have any information about the previous period, especially when the Eart

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But most scientists do not have any information about the previous period, especially when the Earth becomes colder crust that froze and formation of liquid water.
However, the discovery of the zircon crystals exhaust treatment (a mineral) in recent decades suggests that the Earth's crust formed 4.374 billion years ago, that is 160 million years after the Earth and the living planet in the solar system jurgen teller formed.
This reinforces the hypothesis of a cold Earth with temperatures low enough to allow water, oceans and hydrosphere layer was formed shortly after Earth's crust.
From this, the researchers came to the conclusion that the Earth once had a hydrosphere jurgen teller floor 4.3 billion years ago, although at that time no longer exists.
The research team used a new technology, such as microscope atom probe (APT) is capable of accurately determining the age of minerals very small piece of the boiler jurgen teller exhaust treatment measurements of lead atoms separate inside.
Due to high strength, zircon can withstand billions of years of erosion that is still the chemical properties and boiler exhaust gas treatment provides more geological information.
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