Page 20 - Laboratory Manual in Physical Geology

G. Atoms in solid copper (Cu) F. Circuit board from a computer
Scale is in nm (1 nm = 1 millionth of a millimeter) Copper is used like microscopic wires
to carry electrical currents and
complete the circuits

0 nanometers (nm) 5

C. Large rocks, blasted
from the mine walls
0 1
meter
(m)

0 millimeters (mm) 10
0 centimeters (cm) 1

Azurite
Cu 3 (CO 3) 2(OH) 2

0 cm 10

E. Copper coin
Malachite
(x1, actual size)
Cu 2CO 3(OH) 2

D. Copper ore minerals
(x1, actual size)

Chalcopyrite
CuFeS 2
0 centimeters (cm) 10

FIGURE 1.1 (continued)

Thinking Like a Geologist ■ 5