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Flashcards in Chapter 16 Deck (15)
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Basalt and granite are:

Igneous rocks

1

Gravel and sand are (?) minerals

Construction

2

Developed countries have 20% of the worlds population and consume (?)% of the worlds minerals.

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3

Aluminum and copper ore are (?) minerals

Metal-yielding

4

Mineral consumption by the industrial nations has leveled off and in some cases declined. This is because these nations have largely completed their:

Infrastructure (roads, buildings, etc)

5

The metal mineral produced in the greatest amount worldwide is

Iron

6

The U.S. stockpiles which of the following minerals because they are strategic minerals?

Bauxite

7

The melting of a metal ore to extract metal is called

Smelting

8

Gold is mined in the Amazon basin using high-pressure streams if water; this type of mining is called

Hydraulic

9

This process collects and returns used metals to factories where they are used again

Recycling

10

Using only what we need and using it efficiently is called

Conservation

11

The amount of times metal or mineral stays in use is called the

Residence time

12

The U.S. law that targets hazardous waste is the

Resource conservation and recovery act

13

Deposits of minerals that are fairly certain to exist and are feasible to mine at current prices are called

Reserves

14

About (?)% of the earth's surface is water

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