The Festival of Archaeology is just under a month away!

cba fest

This is your big, bold reminder to come join us at Bamburgh Castle on 20th or 21st July.

Our free trench-side activities will focus on environmental archaeology, under the guidance of environmental supervisor Alice Wolff. Participants can join one of our half-day sessions for hands-on experience in recording, sorting, and analysing soil samples. Sign up here!

Three dark-haired women stand around a square tank of muddy water.

Environmental Supervisor Alice works alongside two students on a brisk day.

Now you might be thinking, “What are soil samples, and what could they possibly tell us?” Environmental sampling is a process by which archaeologists can collect and study the fills or even floor surfaces of archaeological features; these fills include the soil that is inside rubbish pits, postholes, and even buildings. The samples are carefully collected and then processed with a sieve and running water known as a flotation tank. The sample is suspended by a small mesh and water is pumped from beneath it. The water separates the silt from the small rock fragments, allowing the tiny grains of silt to sink through the mesh. The small rocks and any artifacts will rest in the mesh, while charred seeds and sometimes even the shells of small molluscs (like tiny snails) will float to the top and can be skimmed off into another fine mesh. You end up with three resulting products: pure silt, rocks and artifacts, and the skimmed material known as “flot.” This flot can be analysed under a microscope to identify the seeds and molluscs. Seeds tell us all about the domesticated and wild plants consumed by a community on a site, while small molluscs can actually tell us about the climate because certain species only survive in very particular temperature ranges. The rocks and artifacts will be dried and sorted to get a clearer picture of what the area sampled was used for. And the silt? Mostly clogs up our water jets, to be honest. It’s a good bit of fun, but when you join us, be sure to wear something that you won’t mind getting a little muddy, as well as sturdy footwear!

The Festival of Archaeology is a celebration of archaeology where everyone is welcome to listen, learn, and get their hands dirty! It is a Council for British Archaeology initiative, and this year the focus is on the intersection of archaeology and scientific technology. We’re able to run our event during the festival this year due to a grant from the Mick Aston Archaeology Fund. We hope to see you there!

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s