Exam 23: Minerals and Mining

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If a mineral is opaque, lustrous, malleable and can conduct heat and electricity, it is a(n) __________________.

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D

Sustainable mineral use and longer projected lifetimes for scarce minerals can be achieved with all of the following, except ________________.

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B

Examples of valuable nonmetallic minerals extracted by mining are ________________.

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In 2010, geologists from the U.S. military discovered nearly $1 trillion worth of minerals in ________________.

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Tantalum from African coltan is used primarily for the manufacture of ________________.

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Discuss the facets of sustainable mineral use.

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A naturally occurring solid chemical element with a distinct composition and a crystal structure is a(n) ________________.

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  Use the accompanying figure to answer the following questions. -The top portion of the graph tells us that selenium __________________ Use the accompanying figure to answer the following questions. -The top portion of the graph tells us that selenium __________________

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One drawback of in- situ recovery techniques is ________________.

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Discuss the major environmental impacts of mining operations.

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Excavating a giant hole in the landscape to remove widely spread mineral deposits

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The dwindling supplies of rare strategic metals such as indium, tantalum, and platinum may be extended if we rigorously __________________

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The U.S. General Mining Act of 1872, although encouraging of the domestic mining industry, also __________________

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In Appalachia, many miners are out of work because __________________

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Many types of mining, such as for coal, produce a specific type of water pollution called ________________.

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The newest bonanza for recycling scarce and toxic metals is to recover them from __________________.

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Restoration of mined areas to premining conditions

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Read the following scenario and answer the questions below. In 2010, geologists working for the U.S. military operations in Afghanistan discovered a literal treasure- trove of mineral deposits with a preliminary estimated value at nearly U.S. $1 trillion. So far, no proposals have been made for extracting these resources, but already parallels have been drawn to the many dimensions of human rights issues that have plagued coltan production in the Congo, oil drilling in Nigeria, and the "blood diamonds" of Sierra Leone. You have been appointed as a delegate to the U.N.- initiated Afghan Minerals Development Council, which will convene in the next few months. The goals of the council are to oversee the extraction and export of resources and to ensure economic benefits, social and environmental justice, as well as environmental protection for the Afghan people. -A useful benefit from mining profits could be __________________

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  Use the accompanying figure to answer the following questions. -Heavy landscape damage and water pollution have occurred in __________________ as a result of __________________ Use the accompanying figure to answer the following questions. -Heavy landscape damage and water pollution have occurred in __________________ as a result of __________________

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Read the following scenario and answer the questions below. In 2010, geologists working for the U.S. military operations in Afghanistan discovered a literal treasure- trove of mineral deposits with a preliminary estimated value at nearly U.S. $1 trillion. So far, no proposals have been made for extracting these resources, but already parallels have been drawn to the many dimensions of human rights issues that have plagued coltan production in the Congo, oil drilling in Nigeria, and the "blood diamonds" of Sierra Leone. You have been appointed as a delegate to the U.N.- initiated Afghan Minerals Development Council, which will convene in the next few months. The goals of the council are to oversee the extraction and export of resources and to ensure economic benefits, social and environmental justice, as well as environmental protection for the Afghan people. -All of the following could be sensible appointments for the U.N. Council, except perhaps __________________

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