making up about 28% of its composition. Though hydrogen is the most common element in the universe (around 75% of the universe’s mass), it is rare on Earth, making up only 0.14% of the crust.

Learn about the new perspective on Earth's reduction of moderately volatile elements, a discovery made possible by meteorites ...

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...

Like a moth in a cocoon, the metamorphosis of Earth's crust from molten goop to solid land is hidden from ... the chunks of rock we live upon typically rise a touch higher than the submerged chunks of ...

My research focuses on the understanding of the present-day physical and chemical structure of the Earth's mantle and crust as well as its physical and chemical evolution over geologic time. Within ...

Atomic number 16, atomic weight 32.064. Silicon (Si): Silicon is the second most abundant element in the earth's crust and can be found in rocks, sand and clay. It acts as a deoxidizer in steel ...