HomeUnexplainedPreserved by Nature: Studying the Spectacular Salt Mummies of Iran

Preserved by Nature: Studying the Spectacular Salt Mummies of Iran

The saltmen are a group of natural mummies that were discovered in the Chehrabad Salt Mine in Iran. This mine is in the Zanjan Province and located about 340 km (211.27 miles) northwest of Tehran. The men are believed to have died in the salt mine and been naturally preserved by the salt. A total of six saltmen have been discovered over the years and they belong to different eras, including the Achaemenid and Sasanian periods.

Discovering the First Saltman

In 1994, commercial salt mining operations were being carried out in the Chehrabad Salt Mine when the first saltman was discovered. Along with his mummified remains, several artifacts, including iron knives and a gold earring, were also uncovered.

This saltman is easily recognized due to his long white hair and beard. His head is currently on display in a glass case in the National Museum of Iran (in Tehran). It has been estimated that the man lived around 1700 years ago, during the time of the Sasanian Empire, and died sometime between the ages of 35 and 40.

Head of Saltman 1 on display at National Museum of Iran in Tehran.

Head of Saltman 1 on display at National Museum of Iran in Tehran. ( Public Domain )

Studying the Saltmen

In the following years more saltmen were discovered. In 2004, another saltman was found by miners, and an emergency excavation campaign was undertaken. Saltmen were also discovered in 2005, and the most recent mummy was uncovered in 2007. It is believed that the men lost their lives in the mine as a result of mining accidents. Whilst the first saltman is being kept in the National Museum of Iran, the subsequent four were brought to the Zanjan Archaeology Museum. The sixth saltman has been left in-situ.

The discovery of the saltmen has allowed archaeologists to get a glimpse into the lives of these ancient salt miners, and much scientific research has been conducted on the mummies, as well as the mine itself, since they were discovered more than two decades ago. Areas in which such research is being performed include archaeobotany, archaeozoology, isotope analysis, mining archaeology and physical anthropology.

These studies have been helped archaeologists to gain a better understanding of ancient mining practices. For example, by examining the various artifacts and ecofacts in their stratigraphic layers, three different mining phases, namely Achaemenid, Sasanian, and Islamic, have been distinguished.

Remains of Saltman 3, one of the Saltmen found in 2004, on display in Zanjan.

Remains of Saltman 3, one of the Saltmen found in 2004, on display in Zanjan. ( Mardetanha/CC BY SA 3.0 )

Further research has shown that mining practices were organized differently during these periods. It was found, for instance, that during the Sasanian period, mining was established in the surrounding area, and that, based on isotopic data, supply was organized on a regional basis. By comparison, during the Achaemenid period, it seems that there were foreign miners working in the salt mine, and that the mine was accessed from areas further away, i.e. the miners did not settle within the vicinity of their workplace.

Such studies have also helped revise certain accepted facts about the saltmen. For instance, it is generally reported that six saltmen have been discovered so far. However, anatomical analysis of the mummies has revealed that some body parts, which were initially thought to have belonged to a single individual, were in fact from different bodies. Thus, it has been suggested that the number of saltmen should actually be counted as eight, or even more.

Left shoe and lower leg of Saltman 1 on display at Iran Bastan Museum.

Left shoe and lower leg of Saltman 1 on display at Iran Bastan Museum. ( Davide Mauro/CC BY SA 4.0 )

Saving the Saltmen

Whilst much scientific study on the saltmen and the salt mine has been carried out, there is a lack of conservation and preservation of the mummified remains. In a report from 2009, it was mentioned that the mummies were being displayed in Plexiglas cases that were not hermetically sealed. As a result of changes in air temperature and pressure, cracks have appeared in the cases. This, in turn, allowed bacteria and insects to enter them, causing damage to the mummies.

Nevertheless, measures are reported to have been taken to ensure that the saltmen do not undergo further deterioration. In the same report, it was said that plans for making permanent cases for the saltmen have been completed, and the necessary funds for the construction of the encasings should be found.

Remains of Saltman 2 on display in Zanjan. One of the Saltmen found in 2004.

Remains of Saltman 2 on display in Zanjan. One of the Saltmen found in 2004.

Scholars rethink the beginnings of civilizations following discoveries in Burnt City of Iran

Archaeologists digging in the Burnt City of southeastern Iran have excavated a piece of leather adorned with drawings from the Bronze Age. The Burnt City, known as Shahr-e Sukhteh in Persian, is a 5,200-year-old UNESCO World Heritage site in Sistan-Baluchestan Province.

“Due to extensive corrosion, some experts and the archaeologists are trying to save the leather,” the lead archaeologist, Professor Seyyed Mansur Sajjadi, told the Research Centre for Cultural Heritage.

It is extremely rare to find organic material from more than 5,000 years ago. Environmental and chemical factors make delicate items decay and deteriorate rapidly. The leather unearthed is very rare and contains drawings on it.

Shahr-e Sukhteh after excavations

Shahr-e Sukhteh after excavations ( Wikimedia Commons photo by Rasool abbasi17 )

“The newly found decorated leather is just one of the remarkable discoveries that have been made at the site,” a NewHistorian article says . “Artifacts recovered during excavations have displayed peculiar incongruities with nearby contemporary civilizations. In December, a beautiful marble cup was discovered with completely unique decorations. Other notable discoveries have included: a 10-centimeter (3.937-inch) ruler, accurate to half a millimeter; the earliest example of an artificial eyeball; and an earthenware bowl bearing the world’s oldest known example of animation.”

Animation pottery vessel found in Shahr-i Sokhta, Iran. A goat eats from a tree in the images. Late half of 3rd millennium B.C.

Animation pottery vessel found in Shahr-i Sokhta, Iran. A goat eats from a tree in the images. Late half of 3rd millennium B.C. ( Wikimedia Commons photo by Emesik )

Scholars have speculated that the distinctive artifacts may indicate that there was a civilization east of Persia in prehistory that was independent of the first city states of Mesopotamia, which arose about 6,500 years ago.

“Ancient Mesopotamia, corresponding to modern-day Iraq, Kuwait and north eastern Iran, is widely considered to be the cradle of western civilization,” NewHistorian’s Adam Steedman Thake writes. “If it is the case that the Burnt City had developed free from Mesopotamian influence, it could mean that the early urban era was a lot more metropolitan than previously thought. If Mesopotamia was simply one of many city-based civilizations from 5,000 years ago, we will need to rethink the origins of our urban living.”

Recent excavations also uncovered ruins of a structure in an urban part of the Burnt City. The structure has two walls, each about a yard (1 meter) thick and is supported by nine buttresses.

“The signs of fire are clearly seen in some rooms of the building,” Sajjadi said. The team had found a small adjoining room in the building. The room had pieces of colored and plain textiles. The smaller chamber may have been used as a place for conducting sacrifices, scholars speculate, and the textiles may have contained offerings.

The Burnt City became registered on UNESCO’s World Heritage List in 2014. It is 35.4 miles (57 km) from the village of Zabol.

Archaeological work began at the Burnt City in 1967. Scientists have deduced some amazing conclusions about the earliest urban settlements. At 373 acres (151 hectares), the site was one of the world’s largest cities in the era when people were just settling in urban areas. West of the city proper is a large cemetery of 61 acres (25 hectares). It contains more than 25,000 graves, giving a clue as to how populous the Burnt City was.

The city was founded around 3,200 B.C., and burned down three times before it was abandoned in 1800 B.C. Why it was abandoned is not known.








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