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Asbestos-ceramic AI simulator
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Asbestos-ceramic AI simulator
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Asbestos-ceramic
Asbestos-ceramic is a type of pottery manufactured with asbestos and clay in Finland, Karelia and more widely in Fennoscandia from around 5000 BC. Some remnants of this style of pottery lasted until as late as 200 AD. These ceramics are able to retain heat longer than other pottery.
Occasionally other kinds of pottery that do not contain any asbestos, but do have good insulating properties, are (mistakenly) called "asbestos-ceramic". However, some such pottery, called hair-thermal pottery, is found with similar shape and decoration, dating from the same period as some of the genuine asbestos-containing ceramics, and is discussed below.
Around 3600 BC, when typical comb ware ceramics were replaced by late comb ware ceramics, the practice of mixing asbestos into pottery clay emerged in eastern Finland and the Karelian regions near Lake Ladoga, and also along the Neva River.
The most probable origin of this style of ware is the shores of Lake Saimaa in Finland. Finds from inland Finland are the oldest, and the Lake Saimaa area is the only location in the region[which?] with plentiful, nearby, easily accessible natural deposits of asbestos. In Finland, finds of asbestos-containing ceramics are known from c. 3900–2800 BCE to c. 1800–1500 BC. In northern Scandinavia, asbestos ware appears apparently from c. 1500 BC to c. 500 BC.[citation needed]
Some scholars[who?] argue that these pottery traditions were influenced from the Upper Volga and the Oka regions.
Asbestos-ceramic of Lovozero ware type is also found in Fennoscandia, on Bolshoy Oleny Island in the Murmansk region of Russia. Furthermore, a later type of asbestos-laden ware was also found here, known in the Russian archaeological literature as waffe ware. In Norwegian and Finnish literature, the usual term for similar impressions on pottery is 'textile' or 'imitated textile'.
Asbestos ceramics are usually classified as a sub-type of comb ceramic ware.[citation needed]
From the times of the earliest comb ware (c. 5000 BC) in Finland, asbestos was mixed with clay as an adhesive. At some point, people started to make use of the characteristics of asbestos: Its long fibres allowed large vessels with thin walls, which made them lighter, without compromising durability. Some of the vessels had walls 6 mm thick with a diameter of around 50 cm (Pöljä-style).
Asbestos-ceramic
Asbestos-ceramic is a type of pottery manufactured with asbestos and clay in Finland, Karelia and more widely in Fennoscandia from around 5000 BC. Some remnants of this style of pottery lasted until as late as 200 AD. These ceramics are able to retain heat longer than other pottery.
Occasionally other kinds of pottery that do not contain any asbestos, but do have good insulating properties, are (mistakenly) called "asbestos-ceramic". However, some such pottery, called hair-thermal pottery, is found with similar shape and decoration, dating from the same period as some of the genuine asbestos-containing ceramics, and is discussed below.
Around 3600 BC, when typical comb ware ceramics were replaced by late comb ware ceramics, the practice of mixing asbestos into pottery clay emerged in eastern Finland and the Karelian regions near Lake Ladoga, and also along the Neva River.
The most probable origin of this style of ware is the shores of Lake Saimaa in Finland. Finds from inland Finland are the oldest, and the Lake Saimaa area is the only location in the region[which?] with plentiful, nearby, easily accessible natural deposits of asbestos. In Finland, finds of asbestos-containing ceramics are known from c. 3900–2800 BCE to c. 1800–1500 BC. In northern Scandinavia, asbestos ware appears apparently from c. 1500 BC to c. 500 BC.[citation needed]
Some scholars[who?] argue that these pottery traditions were influenced from the Upper Volga and the Oka regions.
Asbestos-ceramic of Lovozero ware type is also found in Fennoscandia, on Bolshoy Oleny Island in the Murmansk region of Russia. Furthermore, a later type of asbestos-laden ware was also found here, known in the Russian archaeological literature as waffe ware. In Norwegian and Finnish literature, the usual term for similar impressions on pottery is 'textile' or 'imitated textile'.
Asbestos ceramics are usually classified as a sub-type of comb ceramic ware.[citation needed]
From the times of the earliest comb ware (c. 5000 BC) in Finland, asbestos was mixed with clay as an adhesive. At some point, people started to make use of the characteristics of asbestos: Its long fibres allowed large vessels with thin walls, which made them lighter, without compromising durability. Some of the vessels had walls 6 mm thick with a diameter of around 50 cm (Pöljä-style).