Here is a sample from my wife's Cavalier. 75,000 total miles. It is driven quite hard daily. Analysis by Oil Analyzers (CTC Labs).
Fe 64
Cr 3
Pb 1
Cu 23
Sb 0
Al 28
Ni 0
Ag 0
Si 13
Na 0
Mg 23
Ca 3316
Ba 0
P 1103
Zn 1428
Mo 6
Ti 0
V 0
K 0
Fuel Visc 15.51 cSt
Water 0
Soot N/A
Coolant No
TBN 1.9
Ox 48
Nitr 66
Comments?
Fe 64
Cr 3
Pb 1
Cu 23
Sb 0
Al 28
Ni 0
Ag 0
Si 13
Na 0
Mg 23
Ca 3316
Ba 0
P 1103
Zn 1428
Mo 6
Ti 0
V 0
K 0
Fuel Visc 15.51 cSt
Water 0
Soot N/A
Coolant No
TBN 1.9
Ox 48
Nitr 66
Comments?