At least 15 stone artefacts have been uncovered at Victoria Park, the site of Tamworth Regional Council's planned $1.8 million observatory and science centre.

When the ground is broken on the project it's expected even more artefacts will surface, Mr Fermor said.

"It just comes natural to me, for want of a better word I've been taught to do tracking and that has crossed over in my work with artefacts," he said.

"You have to know where to look for them, what country to look for them on and they are usually not too far from a water source.

"You've got to have a drink of water."

The stones that have been found on traditional land at Victoria Park, like fine quartz from Moonbi, are from all different parts of the region.

Rocks have been found from Daruka, out towards Manilla and Chaffey Dam.

That indicates that the astronomy centre site is a campsite where Aboriginal tribespeople would have come to meet.

The discovery of stone artefacts means all of them will need to be mapped and permission granted to collect them before the astronomy centre build can go ahead.

"This would be the biggest site in Tamworth," Mr Fermor said.

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When the site was last looked at in 1995 it's thought it was a stopover camp on the way from Peel and further up into Moore Creek.

Archaeologist Pat Gaynor said a lot of the artefacts found in 1995 were worn out from the Peel and the Aboriginal people used whatever they could find in Victoria Park to replace them.

"We didn't think they did much grinding here but we did find a couple of grind stones, so they did grind a bit of grass here and make it into flour," he said.

Once permission is granted to collect the stone artefacts from the site, it's believed they will be housed at the Aboriginal Keeping Place.

A second sweep will be done once the ground is broken on the project.

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