Relative Age Table

Data recorded by : _____________________________________________________

Date recorded:

Miocene Mapping Project (MIOMAP) RELATIVE AGE TABLE

Machine Number (N*)

Arbitrary sequential number assigned to each locality by the research team

Analysis Unit (A30*)

Name of the smallest subdivision containing the fauna

Period (A4, L_PERIOD)

Geologic period of the Analysis Unit (Table 11)

Epoch (A4, L_EPOCH)

Geologic epoch of the Analysis Unit (Table 12)

Age (A4, L_AGE)

Geologic age of the Analysis Unit

Land-Mammal Age (A4)

Land-mammal age of the Analysis Unit

Oxygen Isotope (A3)

The marine oxygen-isotope stage of the Analysis Unit

Magnetochron (A4)

Magnetic chronology of the Analysis Unit

Minimum Age (N)

Minimum age of the Analysis Unit in years before present

Minimum Age Method (A4, L_MTHDT)

Method used to determine the minimum age of the Analysis Unit

Maximum Age (N)

Maximum age of the Analysis Unit in years before present

Maximum Age Method (A4, L_MTHDT)

Method used to determine the maximum age of the Analysis Unit

*Machine Number (N)** Arbitrary sequential number assigned to each locality by the research team
*Analysis Unit (A30)** Name of the smallest subdivision containing the fauna
Period (A4, L_PERIOD) Geologic period of the Analysis Unit (Table 11)
Epoch (A4, L_EPOCH) Geologic epoch of the Analysis Unit (Table 12)
Age (A4, L_AGE) Geologic age of the Analysis Unit
Land-Mammal Age (A4) Land-mammal age of the Analysis Unit
Oxygen Isotope (A3) The marine oxygen-isotope stage of the Analysis Unit
Magnetochron (A4) Magnetic chronology of the Analysis Unit
Minimum Age (N) Minimum age of the Analysis Unit in years before present
Minimum Age Method (A4, L_MTHDT) Method used to determine the minimum age of the Analysis Unit
Maximum Age (N) Maximum age of the Analysis Unit in years before present
Maximum Age Method (A4, L_MTHDT) Method used to determine the maximum age of the Analysis Unit