Posts Tagged With: soil

The Dirt on Archaeology

To celebrate the last day of classes (unless you are an unfortunate soul with Friday classes), we have another student blog post. JC Jones gives us the Dirt on Archaeology.

That’s right we’re talking about the dirt, or more appropriately soil. Specifically the layers of the soil. Its most commonly associated with the passage of time. Different layers in the ground are slowly deposited over time, and eventually this leads to distinct layers. When I was working at the Benedictine Monastery and Freedmen’s School site, usually the soil was differing shades of gray. It was bland and somewhat disappointing to be honest. In class we heard about how cool stratigraphy could be, and then we finally go out to dig and there is barely any difference.

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Test Unit 5 at the Benedictine Monastery and Freedmen’s School showing subtle changes in stratigraphy, or layers of soil and rock.

Then I got the opportunity to participate in a dig at the Sorrel Weed House, and this showed me the second and more useful side to stratigraphy, features! We were working in the carriage house basement, and we had to remove a brick floor to get to the soil layers. Once that was done a major difference in the soil could be seen. Most of the soil was the same color, but to one side of the test pit was a large black semicircle. Basically someone in the past had dug a hole and filled it in again. It’s a fairly simple task, but being able to see that decades later is amazing. Then as we started digging down further, the soil had other changes, and the excavation was done using natural layers. Every dig I’ve ever done has been based on arbitrary levels since there was little variation in the soil, but this was different. These different features and layers had me pondering on how they were created. What did people do to cause this change in the soil, or is this natural? This experience has opened up a whole new area of archaeological investigation to me. I’ll never underappreciate the color of soil again.

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Completed test unit at the Sorrel-Weed House, showing more dramatic soil layers and features.

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