Exam 15: Riches in Rock: Mineral Resources

Of the commercially exploited minerals,which type is used in the greatest quantities?

________is a common metallic alloy.

The ability of a metal to be bent,molded,and stretched is termed ________.

Acid mine runoff results from the oxidation and the dissolution of ________ ores.

The blocks of rock used in construction are termed ________.

Which of these is true about mineral resources?

The high electrical conductivity associated with metallic bonds results from ________.

Which of the following nonmetallic resources has an igneous origin?

In magma chambers,sulfide materials typically ________.

Secondary enrichment creates concentrations of metals by ________.

Consult the figure below.What native metal is most likely to occur within quartz veins?

Consult the figure below.These iron ore deposits,which started as sedimentary layers,are known as ________.

Stone extraction from the Earth's surface for building purposes occurs in ________.

Consult the figure below.In what kind of terrain would you expect to find a placer deposit?

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

Most of the metals currently in commercial use ________.

Which list places important pure metals and alloys in chronological order from first to last (most recent)in terms of their widespread use by humans?

The metal ores that are found in veins within plutons typically occur ________.

The first ores that were widely smelted by humans to produce metal were those of ________.

Alloys are useful because they ________.