MATALLIC MENIRALS ROLL NO: 07 Metallic Minerals On an auspicious day‚ sometime around a million years ago‚ a member of the Homo habilis species stood erect and walked steadily on his two feet and his two hands became totally free. A new species – Homo erectus—began its journey on a new evolutionary track. This great change took around four million years after his ancestors – the hominids — broke free from the lineage of apes and chimpanzees. But ‚ perhaps for the next seven to eight hundred
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MINERAL RESOURCES DONE BY: 1. N.ARUN KUMAR. 2.N.GAUTAM REDDY. 3.B.HARSHAVARDHAN. 4.K.VENKATESH. 5.P.TARUN. WHAT IS A MINERAL? A mineral is a naturally occurring substance that is solid and stable at room temperature‚ representable by a chemical formula‚ usually abiogenic‚ and has an ordered atomic structure. It is different from a rock‚ which can be an aggregate of minerals or non-minerals
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Mineral Exploration Mineral exploration is the initial stage of the mining cycle. It is a sequential process of information gathering that assesses the mineral potential of a given area. In simple words it is the search for mineral deposits. The reason of exploration is to trace a new source of metal or useful minerals. This includes industrial minerals like silica or clay minerals‚ metals like iron‚ lead‚ zinc‚ etc.‚ and precious metals and gemstones like gold and diamonds. Types of Mineral Exploration
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In the following chart‚ record your observations of each test for the seven minerals. After you have completed all tests‚ name the minerals in Part 2 of this worksheet. An example of how to fill out the chart is illustrated follows. Recorded Observations for Minerals 1-7 Tests Example Mineral 1 Mineral 2 Mineral 3 Mineral 4 Mineral 5 Mineral 6 Mineral 7 Color White Gold Green White Pink White White Black Streak White Black White White White White White Brown Luster Shiny Shiny specs Shiny
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Rocks and minerals are all around us. Earth’s crust and part of its mantle are made of rock. Rocks are made of minerals and have different properties. The properties of rocks include color‚ texture‚ luster‚ and hardness. We use rocks and minerals in many different ways. The steel in our buildings is made with iron‚ which is a mineral. The clay and glass used in our pottery and dishes are made of a mixture of rocks and minerals. We even need minerals to stay healthy‚ and we get them from a variety
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VITAMINS AND MINERALS Vitamins and minerals make people’s bodies work properly. Although you get vitamins and minerals from the foods you eat every day‚ some foods have more vitamins and minerals than others. Vitamins fall into two categories: fat soluble and water soluble. The fat-soluble vitamins — A‚ D‚ E‚ and K — dissolve in fat and can be stored in your body. The water-soluble vitamins — C and the B-complex vitamins (such as vitamins B6‚ B12‚ niacin‚ riboflavin‚ and folate) — need to dissolve
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Vitamins and Minerals What are vitamins? Vitamins are nutrients that everyone needs in small amounts for the body to work properly. Different vitamins have different functions. For example‚ some enzymes need particular vitamins to work. Your body can’t make most vitamins apart from vitamin D‚ so you have to get them from the food you eat. There are two types of vitamins: water-soluble vitamins - these cannot be stored in your body and need to be replaced regularly in your diet fat-soluble
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Axia College Material Appendix C Mineral Identification Worksheet Open the simulation and print this worksheet and the Mineral Identification Job Aid. Then do the following: 1. Conduct all tests on the minerals in the virtual lab. Minerals in the virtual lab are numbered 1–7. Keep track of which mineral you are working with as you record your observations. 2. Record your observations of each test in Part 1 of this worksheet. Help: Refer to the job aids in the upper right
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Vitamins and Minerals Vitamins and minerals are essential nutrients that every cell needs. Vitamins can function like hormones or as antioxidants. Minerals are essential to important bodily functions such as producing energy‚ growing‚ and healing. Minerals are required for fluid balance‚ development‚ nervous system maintenance .Minerals and vitamins‚ function as coenzymes and participate in enzymatic reactions in the body. Vitamin and mineral deficiencies can affect the brain many different ways
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* Minerals are non-renewable resources because the amounts that exist are finite although most are very abundant. * Economically recoverable resources account for a tiny proportion of the total that exists. * The main limitations on mineral availability are the locations‚ chemical form and purity of the deposits‚ and the availability of technologies to exploit them. * Their exploitation is economically important but can cause environmental damage. Factors affecting the viability of
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