Three cores were recovered from an Oligo-Miocene sequence of rocks at offshore scientific drilling sites 1, 2, and 3. Figure 7 shows the logs of the recovered cores; each log displays several different lithologic units (rock units indicated by different drawing patterns). You can consider these units as "Formations", which are the basic units of geologic mapping (Maurrasse & Collins, 2015).Your task is to correlate the three core sites in figure 7. You must use the superposition and lateral continuity principles and focus on the core's lithology. For example, we identified a unit of sandstones at the bottom of site 1 and called it Unit A. We correlated the base and the top of unit A between sites 1 and 2; now, you can identify Unit A at Site 3 and extend the correlation. Identify, name, and correlate all the lithological units present at the core sites below.

relative dating involves things like higher layers are most recent than rocks lower in the sequence. this can be extended to the known sequence of fossils. rocks containing rabbit fossils are later than those containing dinosaur fossils.  

absolute dating methods mainly use radioactive elements that have known rates of decay and produce recognizable products. for example potassium 40 decays to produce argon. once a rock has solidified the argon is trapped. by measuring the argon and potassium0 you can get an accurate number for the age.  

some other methods are good for archaeological ages. dendrochronology involves recognizing the sequence of tree rings. the orientation of magnetized particles in baked clay can be used to date a fire.

hope this .. .

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.