THE SALT MINE
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Subsidence due to rock salt miningIf you were to look to your left as you drove down the drive to the farm you would notice that there is a depression in the Drive Field.

This is due to the fact that 170m below Greenheyes is a rock salt mine. The depression is not due to sudden collapse but rather it is due to the nature of the Rock Salt in that over time it behaves as a very very viscus fluid and under the pressure of the overlying rock it slowly flows.

Such depressions are not uncommon in the mid cheshire countryside and are often visible as shallow water filled depressions known as mere's

The County of Cheshire is famous for the production of salt. This can be traced back to before Roman times and the mining of the salt and related chemical industry was at one time the main employer (along with agriculture) in the mid Cheshire area.

The town of Northwich has a museum dedicated to this visit it at www.cheshire.gov.uk/saltmuseum/index.html .

The tunnels of the mine stretch for some 123 miles under the cheshire countryside. Rock salt is used mainly for the UK roads during the frosty winter months and lorries come from all over the country collecting it.

PLEASE NOTE: WE HAVE BEEN REQUESTED BY THE MINE OWNERS TO INFORM OUR READERS THAT THEY NO LONGER GIVE TOURS OF THE MINE

I have lived over the mine all my life and on quiet evenings you can hear the explosions of the miners blasting out the salt. Earlier this month we were allowed to visit the mine and these are some of the pictures.

You tour the mine in a minibus for obvious reasons with the amount of tunnels.

Loader

When the blasting is finished it is then loaded with this loading shovel this lifts approx 20 tonnes at once and loads it into the crusher

The crusher

This is the crusher where the salt is ground and put onto a conveyer belt

Salt conveyer

Once on the conveyer belt it is then taken to the lift shaft put into hoppers and raised to the surface

Salt on the surface

Once on the surface it is taken to large open storage areas ready for collection.

Our guideThis final picture is of Ivan our guide for the evening and the figure of 1476 is the tonnage produced during that day. Thanks to Ivan from all of us who went down and to Brian (friend of mine and William of Moreton Contractors) for organizing it for us.

PLEASE NOTE: WE HAVE BEEN REQUESTED BY THE MINE OWNERS TO INFORM OUR READERS THAT THEY NO LONGER GIVE TOURS OF THE MINE

I hope you have found this brief look at whats below our feet to be of interest

regards Phil.
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