10 Most Abundant Elements in the Earth's Crust
There are deposits of billions of tonnes of potassium chloride throughout the world. Most of the Earths crust consists of only a few elements. Pin On Magical Mysteries The metal is difficult to obtain from these minerals. . This is a table that shows the elemental chemical composition of the Earths crust. Most abundant silicates are feldspars plagioclase 39 and alkali feldspar 12. The body hoards the element so effectively that over millions of years of evolution humans have developed no physiological means of iron excretion. Most of the Earths crust consists of only a few elements. Other common silicate minerals are quartz 12 pyroxenes 11 amphiboles 5 micas 5 and clay minerals 5. Most potassium minerals are found in igneous rocks and are sparingly soluble. The silicate form includes asbestos granite hornblende feldspar clay and mica. Hydrogen also occurs in plant and animal tissues hydrocarbons proteins h