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13-Jan-2020 00:31

Have a look at the photographs below, which show the curb of a road in a neighborhood in Hollister, California.

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It may surprise you to learn that geologists were able to determine much of the history of the Earth and its life without knowing anything about the actual ages of the rocks that they studied.Using the principles of superposition and cross-cutting relationships, can you reconstruct the geological history of this place, at least based upon the information you have available? An imaginary cross-section, showing a series of rock layers and geological events (A-I). The simplest and most intuitive way of dating geological features is to look at the relationships between them.

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There are a few simple rules for doing this, some of which we’ve already looked at in Chapter 6.

Superposition in archaeology requires a degree of interpretation to correctly identify chronological sequences and in this sense superposition in archaeology is more dynamic and multi-dimensional.