Flourine dating Online chat for ipods

can be used to tell us whether or not the animals they were from actually lived at about the same time.This relative dating method is based on the fact that there are specific progressive chemical changes in skeletal remains that result from burial underground.As time passes, the organic components of bone (mostly fat) are lost primarily through bacterial action.

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It contained tools and chemicals that could have been used to modify the ape jaw and human skull to give them the appearance of great antiquity.

The owner of this kit was Martin Hinton, curator of zoology at the time of the hoax.

In the past, relative dating methods often were the only ones available to paleoanthropologists.

As a result, it was difficult to chronologically compare fossils from different parts of the world.

In other words, they may no longer be in their primary context.

When the bones of our early ancestors are found in the same geological strata as those of other animals that are known to have lived only during a specific time period in the past, we assume that these ancestors must also have come from that time.

However, relative methods are , which is that if there are layers of deposits, those laid down first will be on the bottom and those laid down last will be on the top. However, geological strata are not always found to be in a neat chronological order.

Wind and water erode strata and some areas are uplifted or even tilted.

These processes result in All of these processes confuse the stratigraphic record.

In many cases, however, it is possible to reconstruct the original sequence of strata so that they can be used for relative dating.

However, the assumption of contemporaneity may not always be correct.

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