Abundance of the chemical elements in the Sun and outer planets is similar to that in the universe. Due to solar heating, the elements of Earth and the inner rocky planets of the Solar System have undergone an additional depletion of volatile hydrogen, helium, neon, nitrogen, and carbon (which volatilizes as methane). The crust, mantle, and core of the Earth show evidence of chemical segregation plus some sequestration by density. Lighter silicates of aluminum are found in the crust, with more magnesium silicate in the mantle, while metallic iron and nickel compose the core. The abundance of elements in specialized environments, such as atmospheres, or
The Runes of the Earth of potentially using both the Staff of Law (enabling control of Earthpower) and white gold simultaneously is addressed by the main character Linden Avery. The book also explores the idea of the consequences of time travel i.e. what will happen to the future if you alter the past? "“THE RUNES OF THE EARTH has all the wonders that made the previous two chronicles so readable”" Bookreader.com The Runes of the Earth The Runes of the Earth is a fantasy novel by American writer Stephen R. Donaldson, the first book of The Last Chronicles of Thomas Covenant series. It was first