edades de la tierra|Eras geológicas: qué son y sus características,funinraleigh

En este artículo, hablaremos de las diferentes edades de la Tierra y las características que las definen. El Precámbrico es la primera de las edades de la Tierra y abarca desde la formación de la Tierra hace unos 4.500。

In 1862, the physicist William Thomson, 1st Baron Kelvin published calculations that fixed the age of Earth at between 20 million and 400 million years. He assumed that Earth had formed as a completely molten object, and determined the amount of time it would take for the near-surface temperature gradient to decrease to its present value. His calculations did not account for heat produced

Las eras geológicas son un tipo de división del tiempo geológico, es decir, de la escala utilizada para medir la historia del planeta y de la vida desde sus comienzos.

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