Procedure 1 - Ask the famous paleontologist ! A person famous in that field would certainly be aware of the stratigraphy of the area.
Procedure 2 - Have a detailed geologic map of the area with latitude and longitude so a GPS could quickly determine your position on the map and thus the age based on the map.
Procedure 3 - Take samples of the rock back to the lab for radiometric dating techniques.
Actinomycetes will form powdery colonies that stick firmly to the plate and they grow slowly while bacterial colonies are slimy , distinct and will grow faster.
