Vinland map

Vinland map

The Vinland map is purportedly a 15th-century mappa mundi, redrawn from a 13th-century original. In addition to showing Africa, Asia and Europe, the map depicts a large island west of Greenland in the Atlantic labelled as Vinland; the map describes this region as having been visited in the 11th century. If authentic, such evidence is an important addition to archaeological findings such as the L'Anse aux Meadows Norse site in Newfoundland, documenting pre-Columbian Norse travels to the Americas, but the map has been controversial since it was first revealed in 1965, and both the most recent chemical analysiscite journal
author= Katherine L. Brown, Robin J. H. Clark
title= Analysis of Pigmentary Materials on the Vinland Map and Tartar Relation by Raman Microprobe Spectroscopy
journal= Analytical Chemistry
volume= 74
pages= 3658 – 3661
year= 2002
doi = 10.1021/ac025610r
url=http://webexhibits.org/vinland/paper-clark02.html?
format= Reprint
accessdate=2007-10-26
] and the most recent scholarly monograph on the subjectcite book |last= Seaver |first= Kirsten A. |title= Maps, Myths and Men |year= 2004 |publisher= Stanford University Press |location= Stanford, CA |isbn= 0-8047-4963-9 ] have suggested that it is a forgery.

The revelation of the map

The Vinland Map first came to light in 1957 (three years before the discovery of the Norse site at L'Anse aux Meadows in 1960) and was offered to Yale University by an alumnus, Laurence C. Witten II, an antiquarian book dealer. Unable to afford the asking price, and concerned that the dealer refused to reveal the provenance of the item, Yale contacted another alumnus, Paul Mellon, who agreed to buy it, and donate it to the university if it could be authenticated. Recognizing its potential importance as the earliest map to show America, Mellon insisted that the authentication, conducted by two British Museum curators and a Yale librarian, be carried out in secret. This was to prove controversial, as the trio were unable to consult specialists. After years of study, they decided the map was authentic; Mellon donated it to Yale, and it was revealed to the world in 1965, coinciding with the publication of the team's research findings as an elegant book, "The Vinland Map and the Tartar Relation" by Dr. Raleigh Ashlin Skelton, Thomas E Marston and George Painter. A year later, a Vinland Map Conference was held at the Smithsonian Institution, during which various significant questions were raised – but unfortunately, the proceedings were not published for another five years. [cite book |last= Washburn |first= Wilcomb E. (ed.) |title= Proceedings of the Vinland Map Conference |year= 1971 |publisher= University of Chicago Press |location= Chicago, IL ] In 1995, following years of debate and research, Yale released a second edition of its book, including new articles arguing that the map is authentic. [cite book |last= Skelton |first= Raleigh A. (et al.) |title= The Vinland map and the Tartar Relation, 2nd edition |year= 1995 |publisher= Yale University Press |location= New Haven, CT |isbn= 0-300-06520-5 ] "The New York Times" (February 13 1996) reported that insurers valued the map at $25 million.

Context

The Vinland Map was bound together with a codex, "Hystoria Tartarorum" ("Description of the Tartars," sometimes referred to as the "Tartar Relation"). The "Historia" is a manuscript of undoubted authenticity that was at some point bound with the Vinland Map. It is a description of the history and manners of the Mongols that appears to be an early version of the memoir of Giovanni da Pian del Carpine, an Italian Franciscan friar who in 1245 made a trip to the supreme Khan at Karakorum. Carpine went on to write a more robust account of his travels, but the shorter "Tartar Relation" survived until the 15th century by being included as an addendum to a volume of Vincent of Beauvais's encyclopedic "Historical Mirror" ("Speculum historiale"). Before the items were first offered to Yale, probably while they were being rebound into two volumes, all traces of former ownership marks, except for a small part of a bright pink stamp which overlapped the writing on folio 223 of the "Speculum", were removed, perhaps to avoid tax liability for the former owner.

Authenticity and controversy

In the absence of a clear provenance for the map, there have been claims that it is a forgery – strengthened by the 1957 dealer's admission, printed in the second edition of the Skelton book, that he had told lies during the authentication process – and examinations by a number of institutions have returned conflicting results.

Dating of parchment

Radiocarbon dating, performed by physicist Douglass Donahue and chemists Jacqueline Olin and Garman Harbottle, place the origin of the parchment somewhere between 1423 and 1445, although the entire map appears to have been coated with an unknown substance sometime in the 1950s. This could have been part of a previously undocumented attempt at preservation, or could have been done by a forger as part of the process of drawing a new map on a previously used piece of 15th-century parchment (palimpsest). It is unclear whether the ink on the map is on top of this more recent layer of material or not. [cite journal
author= Donahue, D. J.; Olin, J. S.; Harbottle G.
title= Determination of the Radiocarbon Age of Parchment of the Vinland Map
journal= Radiocarbon
volume= 44
pages= 45–52
year= 2002
url = http://radiocarbon.library.arizona.edu/radiocarbon/GetFileServlet?file=file:///data1/pdf/Radiocarbon/Volume44/Number1/azu_radiocarbon_v44_n1_45_52_v.pdf&type=application/pdf
]

Analysis of ink

Detailed examination of the map at the British Museum in 1967 revealed that the ink was unlike anything the scientific staff there had ever seen, and the map outline appeared to consist of two superimposed lines, one black (but mostly vanished) and one yellowish – they were also the first researchers to detect the above-mentioned coating on the parchment, but were not allowed to take a large enough sample to analyze it. [cite journal
author= A.D. Baynes-Cope
title= The Scientific Examination of the Vinland Map at the Research Laboratory of the British Museum
journal= Geographical Journal
volume= 140
pages= 208–211
year= 1974 | doi = 10.2307/1797077
] In 1972, with new technology becoming available, Yale sent the map for chemical analysis by forensic specialist Walter McCrone whose team dated microsamples of the ink to after 1923 due to the presence of anatase (titanium dioxide) –in a rounded crystalline form manufactured for use in pale pigments since the 1920s, which suggests that the yellowing of ink on the map was the result of deliberate forgery rather than aging. They also found that the black line remnants were on top of the yellow, indicating that they were not the remains of a penciled guide-line, as the British Museum staff had speculated. [cite journal
author= Walter C. McCrone and Lucy B. McCrone
title= The Vinland Map Ink
journal= Geographical Journal
volume= 140
pages= 212–214
year= 1974
doi= 10.2307/1797078
] However, a later investigation, by a team under Dr. Thomas Cahill at the University of California, Davis in 1985–7, using Particle-Induced X-ray Emission found that only trace amounts (< 0.0062% by weight) of titanium appeared to be present in the ink, suggesting that the high concentrations found in the earlier study were due to poor sample selection (but this in turn has been countered by an observation that the Cahill team's figures for iron in the unquestioned iron-gall ink of the "Speculum Historiale" appear to be around a thousand times smaller than the iron content measured in more recent studies of numerous other iron-gall ink samples, suggesting the possibility of a major error).cite journal
author= K. M. Towe, R. J. H. Clark, K. A. Seaver
title= Analysing the Vinland

journal= Archaeometry
volume= 50
pages= 887-893
year= 2008
doi = 10.1111/j.1475-4754.2008.00428.x
accessdate=2008-09-24
] Still, titanium was the only element within their technique's measurement capability which was significantly more concentrated in the ink than on the bare parchment. [cite journal
author= T.A. Cahill, R.N. Schwab, B.H. Kusko, R.A. Eldred, G. Moller, D. Dutschke, D. L. Wick and A.S. Pooley
title= The Vinland Map, Revisited: New Compositional Evidence on Its Inks and Parchment
journal= Analytical Chemistry
volume= 59
pages= 829–833
year= 1987
doi= 10.1021/ac00133a009
] They later hypothesized (in their contribution to the revised Skelton book) that this could be due to modern contamination adhering to the ink lines.

In 1991, McCrone visited Yale to take new microsamples from the map, partly to check his earlier results, and partly to apply new techniques. Photomicrographs taken at 1 micrometer intervals through the thickness of ink samples demonstrated that the manufactured anatase particles were not just sticking to the surface, and Fourier transform spectroscopy identified the ink's binder as gelatin, probably made from animal skin. [cite journal
author= Walter McCrone
title= Vinland Map 1999
journal= Microscope
volume= 47:2
pages= 71–74
year= 1999
] In July 2002, the authenticity of the map was again challenged. Using Raman spectroscopy, the presence of significant quantities of anatase was confirmed, and the remaining traces of black pigment in the ink were found to consist mostly of carbon, which should not have generated the yellowish residue (superficially characteristic of the decay of an iron-based ink) which is all that now survives over most of the length of the map's lines.

All of the other pages of the "Hystoria Tartarorum" and "Speculum historiale" were written using standard medieval iron gall ink. Nevertheless, chemist Jacqueline Olin, a retired researcher with the Smithsonian Institution, has conducted experiments which suggest a chain of circumstances that could conceivably have led to the production of the map ink in medieval times [cite journal
author= Jacqueline S. Olin
title= Evidence That the Vinland Map Is Medieval
journal= Analytical Chemistry
volume= 75
pages= 6745 – 6747
year= 2003
doi = 10.1021/ac034533c
url=http://webexhibits.org/vinland/paper-olin03.html?
format= Reprint
accessdate=2007-10-26
] (though she herself did not produce finished ink, and others have pointed out possible reasons why). [cite journal
author= Kenneth M. Towe
title= The Vinland Map Ink Is NOT Medieval
journal= Analytical Chemistry
year= 2004
volume= 76(3)
pages= 863 – 865
url= http://webexhibits.org/vinland/paper-towe04.html?
format= Reprint
accessdate=2007-10-26
doi=10.1021/AC0354488
]

Content of the map

Finally, there are a number of questions about the actual content of the map. The original authentication team recognized that it bore strong resemblances to a map made in the 1430s by Italian mariner Andrea Bianco &ndash; even to the extent of cutting off Africa where Bianco's map has a page fold &ndash; but with changes of shape, and major revisions in the far east and west. The most surprising revision is that the map depicts Greenland as an island, remarkably close to the correct shape and orientation (while Norway, of which Greenland was just a colony, is wildly inaccurate) although contemporary Scandinavian accounts&mdash;including the work of Claudius Clavus in the 1420s&mdash;depict Greenland as a peninsula joined to northern Russia. For practical purposes, the polar ice cap made this description true, and Greenland is not known to have been successfully circumnavigated until the 20th century. Skelton wondered also whether the revisions in the far east were meant to represent Japan, which would be another remarkable achievement for 15th-century cartography.

In addition, the text uses a Latin form of Leifr Eiriksson's name ("Erissonius") more consistent with 17th-century norms and with transmission through a French or Italian source. The Latin captions include several usages of the ligature "æ"; this was almost unknown in later medieval times (a simple "e" was written instead), and although the ligature was revived by Italian humanist scholars in the early 1400s, it is found only in documents of deliberately classicising style produced by Italian scribes, and never in conjunction with a Gothic style of script such as is seen in the Map.

Another point calling the map's authenticity into question was raised at the 1966 Vinland Map Conference: that one caption referred to Bishop Eirik of Greenland "and neighboring regions" (in Latin, "regionumque finitimarum"), a title known previously from the work of religious scholar Luka Jelic (1863–1922). An essay by British researcher Peter Foote for the "Saga Book of the Viking Society" (vol. 11, part 1), published shortly after the conference, noted that German researcher Richard Hennig had spent years, before the Vinland Map was revealed, fruitlessly trying to track Jelic's phrase down in medieval texts. It seemed that either Jelic had seen the Vinland Map and promised not to reveal its existence (keeping the promise so rigidly that he never mentioned any of the other new historical information on the map), or that he had invented the phrase as a scholarly description, and the Vinland Map creator copied him. In practice, because Jelic's work had gone through three editions, Foote was able to demonstrate how the first edition (in French) had adopted the concept from the work of earlier researchers, listed by Jelic, then the later editions had adapted the French scholarly phrase "évèque régionnaire des contrées américaines" into Latin.

The fold down the middle

One feature of the Vinland Map which is mentioned in passing by most investigators is the fold down the middle. Looking at the map, it is clear that the artist knew exactly where the fold was going to be, because several place-names start or finish right next to it while none are written straight across it, and the rivers of eastern Europe run parallel to it. On high-resolution images of the map, it is also clear that "fold" is not the right word. The two halves are held together only by the backing strip which binds the map into the "Tartar Relation" volume and allows it to be opened out flat. The British Museum scientists in 1967 found only one tiny sliver of parchment which might join the two halves, but Danish conservation experts in 2005 confirmed that they are separateLarsen, René et al. [http://www.maphist.nl/papers/vinland051220.pdf Report on the Assessment and Survey ... of the Vinland Map ...] web version, Royal Danish Academy of Fine Arts (2005)] . Kirsten Seaver has suggested, based on British Museum suggestions, that the two halves may never have been together – a forger could have found two separate blank leaves in the original "Speculum Historiale" volume, and joined them together with the binding strip. In this scenario, the mysterious chemical treatment of the parchment is intended to disguise slight differences of color and texture between the two halves, and the notch cut out of the bottom disguises a slight size difference (see bottom illustration).

The split has provided one potential benefit for scientific examination of the
cite journal
author= Walter McCrone
title= The Vinland Map
journal= Analytical Chemistry
volume= 60
pages= 1009–1018
year= 1988
doi= 10.1021/ac00161a013
] ) without explaining that it was probably contamination. The Cahill team, keeping their own analysis pretty much to themselves until 2000, [Citation
last = McNaughton
first = Douglas
contribution = Scientific Studies of the Vinland Map
title = Vikings: The North Atlantic Saga
pages = 269
publisher = Smithsonian Books
place = Washington, D.C.
year = 2000
] never speculated publicly on the sources of the loose particles.

Other evidence for Vinland

Regardless of whether or not the map is genuine, it has been independently proven to general satisfaction that Greenland was settled by Vikings around 970, a settlement which lasted until the 15th century. In regard to the Americas, the archaeological finds in L'Anse aux Meadows in present-day Newfoundland, Canada (to which the investigators had been led partly by the 16th-century Skálholt Vinland Map) [Ingstad, H. & A. "The Viking Discovery of America" Checkmark Books (2001) ISBN:0816047162] show that there was a Viking settlement which, while admittedly unsuccessful and short-lived, predates by five centuries John Cabot's landing on the North American continental mainland in 1497 and Christopher Columbus's voyage to South America in 1498.

ee also

*Kensington Runestone
*Ancient world maps
*World map
*Timeline of pre-Columbian trans-oceanic contact
*Pre-Columbian trans-oceanic contact

Further reading

* [http://webexhibits.org/vinland/experts.html? Webexhibits: The Vinland Map – Experts] Online versions of most of the latest scientific papers about the Map
* [http://www.silk-road.com/artl/carrub.shtml Carpini's voyage to the great khan.]
* [http://www.bnl.gov/bnlweb/pubaf/pr/2002/bnlpr072902a.htm Brookhaven National Laboratory: Scientists Determine Age of New World Map. “Vinland Map”] , Quote: "…date of 1434 A.D. plus or minus 11 years…Recent testing, however, only revealed trace quantities of titanium, whose presence may be a result of contamination, the chemical deterioration of the ink over the centuries, or may even have been present naturally in the ink used in medieval times. Another recent study detected carbon, which has also been presented as evidence of a forgery. However, carbon can also be found in medieval ink. Current carbon-dating technology does not permit the dating of samples as small as the actual ink lines on the map…." Also features [http://www.bnl.gov/bnlweb/pubaf/pr/photos/2002/vinland.jpghi-res image of the map, 2.5 Mb]
* [http://www.econ.ohio-state.edu/jhm/arch/vinland/vinland.htm The Vinland Map, Some "Finer Points" of the Debate, J. Huston McCulloch, September 2008]
* [http://www.pbs.org/wgbh/nova/vinland/ "The Viking Deception"] , an episode of "Nova", first aired on PBS on February 8, 2005
* [http://www.maphistory.info/saenger.html "Vinland Re-read" by Paul Saenger (Newberry Library)] , particularly focussing on details of the map purchase
* [http://www.informaworld.com/smpp/content~content=a741574814 Review of Kirsten Seaver's book (see Sources) suggesting that the Map was created by the German Jesuit cartographical historian Josef Fischer in the 1930s]
* [http://muse.jhu.edu/journals/journal_of_interdisciplinary_history/v037/37.3shalev.html Another review of Seaver's book.]
* [http://base.kb.dk/pls/hsk_web/hsk_vis.forside?p_hs_loebenr=31&p_navtype=rel&p_lang=eng Skalholt Map]

References


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