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Rare puddingstone taken from Gobions

Hertfordshire Puddingstone

Hertfordshire puddingstone

Lumps of rare Hertfordshire puddingstone, which formed part of a water feature in Gobions, have been removed. It is thought three or more pieces have been taken each measuring 60cm by 45cm.

Hertfordshire puddingstone is a conglomerate of rounded flint and other pebbles held together in a natural silica and sand cement.

The puddingstone was unearthed by volunteers from the Gobions Woodland Trust who were working in the area. It had been placed below a weir in the river so that the water cascaded on to it.

Puddingstone can be found throughout the world and is usually unique to a particular area containing particles of local rock bonded.

Hertfordshire pudding stone is a conglomerate composed of fragments, generally rounded by contact with water, of previously existing rocks, held together by natural “cement”. It contains flint, a hard dense, fine-grained stone which is a form of silica and occurs within chalk.

The flints are sometimes broken, which is known as knapped, and the broken surface has been used as the exposed finished face in some buildings, particularly churches.

According to Gobions Woodland Trust the lumps of puddingstone, taken from the local beauty spot, would have been difficult to move and hard to transport away. They were deep in the woods and it would have taken a number of people to move them.

If you come across any stones that looks like puddingstone or if you know of anyone who has been handling it, please contact the Gobions Woodland Trust by e-mailing gobions

June 28, 2000

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