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Re: Circular crop mark?

Posted: Wed Jun 21, 2017 2:12 am
by Easylife
Oxgirl36 wrote:
Wed Jun 21, 2017 1:32 am
Easylife wrote:
Tue Jun 20, 2017 9:44 pm
I did wonder if it was a now a ploughed out round barrow which was once used as the previous field boundary junction.
That is what I would have said too. Saw a similar one once on Time Team that was a Bronze Age barrow that had appeared to have remained an important place through Roman times and beyond. However, like others, I would expect it to show up on Lidar. Is it on high ground?
It is about exactly midway up on the quite shallow side of a hill which is really quite steep on the other side being maybe a good 45 degree that you would not care to walk up it at all. I would have thought that the location of this and the smaller 5 metre circular markings atop the hill are maybe too coincidental to all be fairy circles, though possible, time will tell hopefully. If it was a barrow of approx 20 metres then yes, you would think that it would still show on Lidar even after much ploughing, but it does not. Unusually for a largish farm, well only 280 acres of land, a location of which I can find no history at all on my usual sources, probably same as yours. I think it is time to actually meet the farmer, have a friendly chat and see what he historically knows about his land. ::g

Re: Circular crop mark?

Posted: Wed Jun 21, 2017 8:19 am
by Oxgirl36
Interesting. Please keep us updated with what you find out.

Re: Circular crop mark?

Posted: Wed Jun 21, 2017 2:09 pm
by Steve_T
Seeing pictures of the ground I think fairy ring can be discounted, wonder why it didn't show on lidar
Eyes on the ground have shown worth investigating, interesting feature
Keep us updated

Regards Steve

Re: Circular crop mark?

Posted: Wed Jun 21, 2017 11:56 pm
by amphora
Easylife wrote:
Wed Jun 21, 2017 2:12 am
I think it is time to actually meet the farmer, have a friendly chat and see what he historically knows about his land. ::g
I think that time was about 10 posts before there. When you took the pictures, i would already been hunting it.
These are the spots you must try. No matter if the give or not.

Hunt without discrimination (yes, only disc small nails but nothing more).
And keep your eyes wide open for signals while hunting. ;)

Re: Circular crop mark?

Posted: Thu Jun 22, 2017 1:21 am
by Easylife
amphora wrote:
Wed Jun 21, 2017 11:56 pm
Easylife wrote:
Wed Jun 21, 2017 2:12 am
I think it is time to actually meet the farmer, have a friendly chat and see what he historically knows about his land. ::g
I think that time was about 10 posts before there. When you took the pictures, i would already been hunting it.
These are the spots you must try. No matter if the give or not.
It is a very recent permission I have, ground was so dry then that grass would die for sure and that was the farmers main concern. I respect that so do not want to chance losing the land as there is a lot of it showing good potential. It is my call to wait for rain then go for it, land will still be there. Farmer was on holiday when I discovered and first posted this, should be back now so will make some enquiries at weekend to see what history he knows.

Re: Circular crop mark?

Posted: Thu Jun 22, 2017 2:24 pm
by amphora
I was foolin around a bit. Overreacting on the "go there immediately".
With a bit truth in it. If you can't explane, just go.

Good luck with this spot. Hope to see some interesting from there soon. ::g

Re: Circular crop mark?

Posted: Mon Jul 03, 2017 12:32 am
by Easylife
Now that ground has softened just a bit, I ventured back on for a couple of hours. On my way to investigate the large circular feature my first target was a complete ringing crotal bell, though small and undecorated, a most welcome find. I only managed three lines of searching within the large circular feature, working out from the hedge before being joined by about 30 inquisitive bullocks. So then moved on to what I have named "The coin field", due to about 75% of targets being coins, though being small at only about one acre, sure enough I found myself digging coins again though less often than previously, there cannot be too many left now.
In the circular feature, apart from the usual pasture finds, were the pictured finds - the loop is of a silver coloured metal and on the Deus reads about 70 so maybe not much copper content but looks horse related. The other three items are of copper alloy the smaller one being tooth shaped (like cow or horse) reading 86 and unusually appears to be calcified with a white appearance. One appears to be part of a bronze vessel,which reads 83. The one which I think most interesting is the bottom left, which appears to be the broken off rounded tip of something. It is copper alloy/bronze, reads 87 and of shallow triangular section with a slight curve to the inside which follows the length, I have no idea about it so any suggestions are welcome. If this circular feature was once a round barrow it is likely spread quite far, time will maybe tell. More rain is needed.

Image

Image

Re: Circular crop mark?

Posted: Mon Jul 03, 2017 7:58 am
by Steve_T
The two on the left look like skillet legs or cauldron legs, the circular item does look like it may be horse harness related, all looks promising ::g

Regards Steve

Re: Circular crop mark?

Posted: Mon Jul 03, 2017 9:12 am
by Easylife
Steve_T wrote:
Mon Jul 03, 2017 7:58 am
The two on the left look like skillet legs or cauldron legs.

Regards Steve
Thanks Steve, They do, similar to others on PAS. A sign of possible habitation.

Re: Circular crop mark?

Posted: Mon Jul 03, 2017 2:07 pm
by cammann
Perhaps this site which was provided by another might help - LIDAR has been v helpful on some of my permissions:
https://www.lidarfinder.com/

Re: Circular crop mark?

Posted: Mon Jul 03, 2017 6:03 pm
by Steve_T
I've had a thought about your first post, you mentioned it was 200 metres away from a brook, is this area prone to flooding? difficult to tell from the photos level of the land. if it was it may indicate a possible structure as this is a defined area that is built up.

If it has been built up to protect from the highest know flood, check this link out to see, just put the postcode in and drag the map to the area. It is from the Environment Agency

https://flood-map-for-planning.service.gov.uk/

I have another link somewhere that is is more comprehensive in my HNC research paperwork, if I can locate it.

Regards Steve

Re: Circular crop mark?

Posted: Mon Jul 03, 2017 9:29 pm
by Devon J
Interesting read, many thanks. I hope you find your answers. the finds look good. I dont have any marks like that on my permissions, that I know of, but the Lidar link has opened my eyes, I will be having a good look at the land with the lidar link. Many Thanks .
Jason

Re: Circular crop mark?

Posted: Tue Jul 04, 2017 12:17 am
by Easylife
Lidar only emphasizes the ridge and furrows. Nothing shows at all of the other soil marks. It is about halfway up a hill, so no chance of flooding at all. On the ground the circular feature does not appear built up, it seems to be at the same level as surrounding ground, apart from the 2' drop into the field downslope.

Re: Circular crop mark?

Posted: Tue Jul 11, 2017 10:21 pm
by Easylife
I am now quite sure that the large circular feature is a "fairy ring". For those who do not know about "fairy rings", they are basically caused by a fungal disease which converts organic matter into nitrogen which greens-up the grass. I dug a target which was in the dark green area, the soil was heavily compacted with clear saturation of mycelia (white fungus spores). I noticed that there are also many smaller fairy rings of about a metre wide over a large area. A common cause is lack of aeration of the soil and this pasture has not been ploughed for possibly 100 years. There are still other unexplained soil marks to figure out.
It is interesting that there are different types of finds in different fields, which have all been pasture for a long time. The smallest field of about 1/4 acre contained 6 horse harness decorations. The next smallest field of about 1 acre contained about 20 coins so far. An initial loop of a 5 acre field produced mainly locally identifiable finds such as buttons and tokens from about 1880 to 1920. In the largest fields targets are few and far between, crotal bell, rusty pen knife, and the odd coin. A separate group of small pasture fields produced mainly victorian era finds such as door knobs, barrel tap keys, pressed copper alloy mounts, etc. There are also several other fields I have yet to detect which may also have some find theme to them. It's maybe not too exciting ground for some, but It certainly gives a good choice, and of course there's always the chance of an unexpected nice find. It's also just a 5 min drive away so handy for even just a couple of hours anytime.
Wish I could have said it was a ploughed out barrow which spilled out gold torcs! :D