Studying the layers of rock or strata can also be useful. If a layer of rock containing the fossil is higher up in the sequence that another layer, you know that layer must be younger in age. This can often be complicated by the fact that geological forces can cause faulting and tilting of rocks.
Both my tight horny holes are so gagging to fill a hard cock inside them! i’m looking for no strings no holes barred fun are you up for it? you can see all my free naughty adult photo galleries here, and some clips of me masturbating my wet pierced pussy here, basically i need a fuck , do you?