Earth

**nutpie** · 08-03-2016, 11:43 AM

The estimated weight of the Earth: 23,000,000,000,000,000,000,000,000 kilos. If even a quarter of that is molten metal

. Imagine!

**RLS0812** · 08-03-2016, 12:12 PM

From HERE:
""Earth's crust is made up of several elements: oxygen, 47 percent; silicon, 27 percent; aluminum, 8 percent; iron, 5 percent; calcium, 4 percent; magnesium, potassium and sodium, 2 percent""

**Faceball** · 08-03-2016, 02:43 PM

All The World's Gold Facts

All the gold on Earth. How much do you have?

**nutpie** · 08-04-2016, 07:24 AM

Originally Posted by Faceball

All The World's Gold Facts

All the gold on Earth. How much do you have?

Exactaly 0.5/oz. Not counting e-waste.

**nutpie** · 08-04-2016, 07:27 AM

Originally Posted by RLS0812

From HERE:
""Earth's crust is made up of several elements: oxygen, 47 percent; silicon, 27 percent; aluminum, 8 percent; iron, 5 percent; calcium, 4 percent; magnesium, potassium and sodium, 2 percent""

In the earth's crust; that's a start. We know the core is solid iron. The outer core is molten iron/nickle, Stainless Steel? Haha. The upper mantle and lower mantle?