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Home https://server7.kproxy.com/servlet/redirect.srv/sruj/smyrwpoii/p2/ Science https://server7.kproxy.com/servlet/redirect.srv/sruj/smyrwpoii/p2/ The varacile represents a refusal of the ancient market of consumer goods

The varacile represents a refusal of the ancient market of consumer goods



  Photo on portable x-ray fluorescent detector
Increase / Use portable X-ray fluorescence detector to analyze 900 year old elements.

Xu et al. 2019

Hours in the 12th century ú there was a merchant ship laden with trading goods away from the Java coast. The 1

00,000 ceramic vessels, 200 tonnes of iron, and smaller volumes of ivory, resin, and narrow window tunnels give a much wider world of global trade and political change. The merchant ship in the Java Maritime District was the process of very long spear, and a new study gives light to the trading networks and manufacturing industry that is hidden behind all freight thanks to your little help from a cool X-ray gun.

Ancient sailing trading routes

There was a trading route network that chrisled the Indian Ocean and the South South Sea in the 12th century ú connecting Song Dynasty China to much more ports in Japan and Southeast Asia in the east, southeast Indonesia, and the Middle East and Africa to the west. Bread merchant ships, raw materials such as metal and resin, and manufactured articles such as ceramics in these ways. Ceramics in longitudinal waters in these waters are mostly common today, because the main content of other things is on the shore, and partly due to the large number that could be packed Holds a trading ship from about 800 CE to 1300 CE.

Chinese ceramics archaeologists have been found at locations that stretch from Japan to the eastern coast of Africa. And excavations in Southeast China have been discovered by identifying complexes, each of which has been closed with hundreds of beautiful dragon tunnels on hills, which could produce up to 30,000 pieces of ceramic fire at time clusters in one square kilometer. All production was aimed at exporting ceramic bowls, boxes and other containers to overseas markets. "Most of the ceramics from this region are usually found from home locations in China and are only found exclusively along the seafront routes," said Ars Technica, Field Museum archaeologist Lisa Niziolek, co- authorize the study.

of-line, known as qingbai, from a Jingdezhen-based complex in Jiangxi province: fine vessels with lightweight transparent glaze over white outer paste. But homemade complexes throughout China provided a booming market in qingbai cnag. In particular, Fujian provinces, especially Qingbai's imitation vessels, have turned into lower, but much higher standards. Last year, a jet box on the Java Hawk was labeled on that box to the Fujian Province capital.

Fujian felt many sheltered complexes across a wide variety, and many of their articles looked like that (that was the point, after all). In order to find out which genuine complexes were supplied by Marine Mara-Duplicate cargo, the Illinois University of Wenpeng Xu and his colleagues were looking at the chemical fingerprints that had a thin glaze of ancient ceramics. That is where the X-ray engine is called a portable X-ray mobile car.

Archaeologists with ray guns

When a 900-year-old ceramic X-bowl rays hit, for example, the atom in the bowl is inclined to fluoride, or emits energy in photons. Each chemical feature is to spread photons into its own unique frequency, so by counting different frequencies photons, an XRF sensor "chemical compound" can be read. In this case, Xu and his colleagues in the glass were interested in the outermost thin-layer ceramic layer from the Seabird and four complexes in southeastern China: Jingdezhen, Dehua, Huajiashan, and Minqing.

When analyzing a chemical signature of some of the ceramics from the horn complexes, they found that each site has its own signature, a mixture of local clay chemical cover and the specific patients used to to make their hairs and their glaze. Ceramic tendency from Jingdezhen is meant to be more iron and less colored than others, and Dehua has more iron and torque and less iron.

Xu and his colleagues examined 60 ceramic blocks from the rack, and their chemical signatures clearly signed four separate groups, with which they had any of the four complexes. It happens that the ship that was destined to be a Java Bar, not only a real qingbai ceramic choice, bound for foreign ports, but also with a wide range of recycled goods of different types and sizes, says Niziolek as the archaeologists surprise.

"qingbai items directly from Jingdezhen are just a very small percentage of cargo," she told Ars Technica. "The majority of qingbai products came from supermarkets in Fujian Province, which produce a large number of ceramics exported to markets in the East and Southeast Asia and other parts of the Indian Ocean World." And this reveals much more complicated in the Middle Pacific trade networks than most of the archaeologists and suspects, connecting far-in-power pots in southeast China to markets across the Indian Ocean .

Long-awaited tour

Xu and colleagues say that the ship is based on its likely results to stop in Fuzhou port for ceramics from Jingdezhen, Minqing, and Huajiashan, who could travel a river to the port. Subsequently it would be 180km (111 miles) south of the Chinese coast to the Quanzhou port to build more articles from the hut complex by Dehua. "The results of this study show that a large number of ceramics in the cargo are produced in recreation in the north of Fujian, closer to Fuzhou's port," said Niziolek with Ars.

If they are right, it means medieval leaders decided conscious time and distance the journey to make a wider choice of goods to markets in Indonesia.

From China, archaeologists are thinking that the ship was bound by the disastrous Israeli port of Tuban when it hit its fate. This is not the first or last ship lost in these waters. "China's ceramics dated this period of time in the area, and there are reports that there have been a lot of coastal solutions ships," said Niziolek with Ars. Undoubtedly, the fern knew the risks of a sea trip, but it was unlikely that they could imagine half of their cargo in the first hundred years ago in a museum in an unexpected city.

This represents what archaeologists still will learn from a burst that has been excavated in the 1990s – the Field Museum had its elements since 1999. Xu, Niziolek, and their colleagues began a major project in 2011 to source the sources of radio.

"These projects build a lot of resources and many are cooperative, so it takes some time to get funding, research and analyze, and publish the results," said Niziolek with Ars. "The work done on the Java Sea Ship materials shows the value of the deep research of an existing museum collection."

Journal of Archeological Science 2018. DOI: 10.1016 / p.jas.2018.12 .010; (About DOIs).


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