Exam 12: Riches in Rock: Energy and Mineral Resources

________ occurs when a neutron strikes a radioactive atom.

The classification of coal is based on the concentration of carbon in the rock.Which of the following chain of processes causes the concentration of carbon to increase?

Stone used for buildings,chemicals in fertilizers,and sand used to make glass are all examples of mineral resources known as ________.

The blocks of rock used in construction are termed ________.

Most energy for human consumption in the industrial world comes from ________.

Coal is formed when heat and pressure alter deposits of ancient ________.

In what types of rocks are ore minerals found?

Which of these is true about mineral resources?

A buried body of rock that is induced by heat to exude oil is termed a ________ rock.

If oil shale is buried deep enough to attain a temperature of 200°C,what is formed?

You are a landowner looking to develop a coal mine on your property.You determine that a surface mine is the best option,as the coal seam you are targeting is close to the surface.The cost to start the mine is $20 million and the annual cost to operate is $16 million.You estimate that you can remove 450,000 tons of coal a year and sell the coal for $38.50 per ton.How long will it take before you pay off your investment and start to make a profit?

A black,organic-rich shale could likely serve as either of which two necessary types of rocks within oil fields?

Coal gasification has sometimes been referred to as "clean coal." Explain why coal gasification is not as "clean" as its name might suggest.

Shale,salt,and fine-grained limestone are all good candidates to serve as ________ within an oil field.

________ power uses flowing water to produce energy.

Why are source rocks always sedimentary?

The image below is of a limestone quarry in Illinois.On the wall at the very back of the quarry you can see layers that appear to curve upward.What do these layers represent?

In 1900,the most commonly used source of energy in the United States was ________.

If the average geothermal gradient in an area is 15°C/km,how deep must oil shale be buried in order for it to transform into oil?

In the subsurface,nonbiogenic natural gas ________.