Importance and Uses of Rocks

784 WordsMay 16, 20124 Pages
Uses of Rocks & Minerals 1. Building Stones 2.Machines & Tools 3.Artifacts 4.Consumables & Processes 5.Decorations 6.Jewellery We use things made from rocks and minerals every day. If something doesn't come from a plant or an animal, it has to be mined. According to the Mineral Information Institute, it is estimated that in a lifetime, A person living in North America will use up the following quantity of rocks and minerals Lead - 365 kgAluminum - 1633 kg,Zinc - 340 kg, Iron - 14 863 kg,copper - 680 kg,clays - 12 068 kg,salt - 12 824 kg stone, sand, gravel & cement - 562-77kg/Very long ago, our ancestors used rocks for tools. This was known as the Stone Age. This period of human development lasted a long time. Obsidian and…show more content…
For some background, take a look at Rocks can look like abstract paintings or be featured in landscapes. 6. Jewelry-When most people hear about diamonds, they think of jewelry even though most diamonds are used in industry to cut and polish softer rocks and minerals.People have been making jewelry for thousands of years. Precious metals like gold and silver are the most popular minerals used.Precious and semi-precious stones are used because of their

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