Archaeologist Susan Bazely demonstrates stratigraphy at an archaeological dig site.

Cataraqui Archaeological Research Foundation
Susan Bazely, Hannah Roth

© 2007, Cataraqui Archaeological Research Foundation. All Rights Reserved.


Transcript

The way we excavate is we excavate by the particular soil layers. And you can see we have here the first upper portion is the sod, and it's less than about 10cm, and then we have a fairly clean clay fill below that that looks fairly thick. Of course it's quite dried out now and it's difficult to see the colour differentiation. But as we follow along here we can see there's a darker band here right in underneath that clay and that actually represents an earlier ground surface, that's a buried sod layer. And below that we start to get broken up limestone and a clay mixture, and this is in fact a fill. And you can see that it thickens out as we go further in one direction, it's quite thin up at the top. So this fill dates to about sometime in the 1820's, probably about 1825 or so, and it's in fact covered over a part of the original landscape. Below that fill you can see a very definite slope and in fact this is part of the hillside we are on. This is, in fact, a part of the original landscape and the soil or the layer that we are standing on is in fact the cultural surface that relates to the War of 1812 and the soil below that is in fact natural soil and below that would be the bedrock.


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