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Mining and Mineral Resources. Do Now! What you know about Mining?. Answer the following questions & be ready to share your answers: What is mining? Why is it necessary? Can you think of any- thing that is mined?. Do Now! What you know about Mining?. What is mining?
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Do Now! What you know about Mining? Answer the following questions & be ready to share your answers: • What is mining? • Why is it necessary? • Can you think of any- thing that is mined?
Do Now! What you know about Mining? • What is mining? Process of extracting minerals from the Earth. 2. Why is it necessary? Everything we purchase is made from minerals & they have important functions in human health. 3. Can you think of anything that is mined? Aluminum, copper, iron, salt, clay, gemstones
THINK!Minerals & Mineral Resources So, what is a mineral? Write down your thoughts. Be ready to share your Answers.
What is a mineral? • A naturally occurring, inorganic solid • Fixed chemical formula • Characteristic physical properties • Atoms arranged in an orderly arrangement • Elements or compounds SiO2 Quartz Au Gold
Classification of Minerals Based on commericial value: • Ore minerals- minerals that are valuable and economical to extract • Gangue minerals- minerals that have no commercial value
THINK!Minerals & Mineral Resources So, what are some ore minerals? • What are their uses? Write down your thoughts. Be ready to share your answers
Mining for Chocolate Activity In groups of 2: • Collect supplies up front • Follow procedure & begin mining • Clean up; then questions Reminders: • Tare balances to zero 1st • No cookies right on balance
Lab Expectations Due next class: • Data table • Colored sketches • Masses- ore body and minerals • % yield • All calculations • Analysis questions