A burned building site and soil conditions

[Newfiehunter]

Last year I discovered a site in which an old store burned to the ground in the 1880s. I didn't know the exact location of the building when I went to the site but after digging a few targets in a certain area the ground suddenly became black as charcoal as if it was burned. The black soil conditions wasn't an overly large area but it was about the size of a building. Did find a few old coppers from the 1800s there. So the question is, after a fire that occurred over 140 years ago, does the soil go back to normal conditions? Or does a fire damage the soil to the point where it doesn't ever recover to the way it was before? Just curious.

 

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[K1DDO1979]

I think you would still find some black from the burnt building but I may be wrong. I seen a thing the other day where they were digging a ancient roman site and clearly showed where the fire was. Here is a picture of a ancient fire spot that was found under normal soil too.

 

[Msbeepbeep]

I'm guessing, unless something took place to mix the burnt area with regular soil or minerals leach back into it, it would remain black ashy looking, don't think it reads different to s detector unless it contains metal or other high mineral content.

 

[K1DDO1979]

I'm guessing, unless something took place to mix the burnt area with regular soil or minerals leach back into it, it would remain black ashy looking, don't think it reads different to s detector unless it contains metal or other high mineral content.

Funny thing I found detecting once was a half burned piece of coal. Why the detector picked it up is anyone's guess. It was a wet day so I don't know if that effected it but it for sure was the coal giving the hit.