Making a hypothesis is the first step of the scientific method, then it is disproved we start over from the beginning. Make a new hypothesis, test it again and see if the data supports the hypothesis. Continue this until you have a proper conclusion.
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.
Answer:
plasmid
Explanation:
Some commonly used methods for DNA and RNA purification are precipitation with phenol-chloroform or isopropanol, or by spin columns with silica membrane. However, if your target DNA is a plasmid, you should adapt your procedure to make sure the plasmid DNA (pDNA) is separated from gDNA
