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tons of iron rivets scattered around a farmer ’s domain in Norway could be part of aVikingship burial , archaeologists say .

In 2015 , a metal detectorist fall upon three of the rivet while explore Jarlsberg Manor in southeasterly Norway . After the detectorist alerted authorities to the discovery , a squad of archaeologists equip with metal - find equipment descended on the field and unearthed seven more rivets , Science Norwayreported .

A selection of iron rivets photographed with a black background.

Examples of some of the iron rivets archaeologists discovered in the field.

Now , well-nigh nine years later , archaeologist have excavate a total of 70 rivets . Based on the size of it of the metal pieces , researchers think the rivets were used to throw together woodwind instrument planks measuring about 8 invertebrate foot ( 2.5 meters ) long , evoke a fairly big Viking Age ship was swallow up there .

" We ’ve found a great variation of rivet , with the foresighted ones so big that they must have come from a tumid ship , " mining leaderChristian Løchsen Rødsrud , an adviser for the Museum of Cultural History at the University of Oslo in Norway , told Live Science . " The turgid ones are like to other inter ships we ’ve found at Gokstad andOseberg , " two other site with burial mounds in Norway .

Rødsrud reckon that the ship was between 49 and 75 foot ( 15 and 23 m ) long . However , investigator can not estimate a date for the ship because there is no survive organic matter they canradiocarbon - date .

Two men working at an excavation site next to a hole in the ground.

The excavation site is located in a farmer’s field in Norway.

Related : Oldest known ship interment disclose in Norway predate Vikings

" We ’ve try out the topsoil but have n’t found anything yet , " Rødsrud aver . " I would gauge that it ’s from sometime between A.D. 750 and 1000 . "

In addition to the rivet , archaeologists discovered two gymnastic horse crampoon — spikes that would have been attached to the animals ' hoof for traction in " icy conditions . " Researchers are n’t surprised that they found equestrian items at the site , considering that horses buried alongside ships is a " resort paper in Viking Age burial customs duty and are a distinctive phenomen[on ] one would expect in a ship burial , " Science Norway reported .

An underwater view of a shipwreck in murky green water

In fact , there have beennumerous accountsof archeological excavations in whichVikings have been buried with their trusty steeds .

There are about 15 get it on Viking ship burials in Norway . Although there ’s no definitive consensus on why Vikings buried their ship , they may have believe that the vessel could be used in the afterlife , concord to theUniversity of Cambridge ’s Department of Anglo - Saxon , Norse and Celtic .

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It ’s too former in the investigation to know who the ship belonged to , Rødsrud say , but some grounds points to a Viking king .

a close-up of a stamp with a warrior riding a horse

" The ship could have been Bjørn Farmann ’s , who was the king of Vestfold , " Rødsrud order .

Between 1917 and 1918 , Norse archeologist A.W. Brøgger discovered a different burial cumulus on the other side of the field and dubbed it the Farmann mound . He was convinced that a ship was eat up here , but he uncovered only spades and a copestone during his excavation , Science Norway reported .

But whether Brøgger ’s suspicion was right remains to be seen . " It ’s too presently to tell , " Rødsrud said .

A corroded bronze sword broken into three parts is reassembled on a long light-colored wooden board. The board is on the snow-covered ground, and a yellow measuring tape is expanded beside the sword.

A vessel decorated with two human-like faces (one is shown above).

a horse skeleton in the ground

A painting of a Viking man on a boat wearing a horned helmet

an illustration of a woman lying down in a grave with weapons behind her

a painting of vikings at sea

Four views of a gold-covered figurine in the shape of a woman. She holds a shield and a sword and wears her hair in a ponytail. There is a small hole behind her neck, perhaps for hanging.

A collage of 3 photos including a coin, brooch and group of beads found at the viking burial site.

An illustration of Viking ships attacking a city

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Circular alignment of stones in the center of an image full of stones

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