The Shroud of Turin. Morgan Pino Kjerstin Johnson Meggie O Keefe Margaret Kowieski
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1 The Shroud of Turin Morgan Pino Kjerstin Johnson Meggie O Keefe Margaret Kowieski
2 Shroud of Turin documentary: Fabric of Time DEC8 Offers an introduction to the Shroud of Turin controversy
3 Early History of the Shroud The Shroud s exact early history is debatable and uncertain 944 A.D. -- the Cloth of Edessa was forcibly transferred from Edessa to Constantinople Described as a full image with bloodstains from what appeared to be a person s abdominal wound Stolen from Constantinople in 1204 by French knights during the Crusades
4 Is the Cloth of Edessa the Shroud of Turin? Cloth and Shroud had the same folding lines and directions, as supported by a 10th century painting of the Shroud and examination by physicists in Hungarian Pray Manuscript codex shows illustration of Jesus being placed on burial cloths -- placement of body supports marks shown on Shroud/Cloth
5 1192: Hungarian Pray Manuscript
6 1356: Geoffrey de Charny French knight Geoffrey de Charny displayed a burial shroud in Lirey, France that he claimed belonged to Christ de Charny was a descendant of a prominent knight of the Fourth Crusade, the exact time during which the Cloth of Edessa was stolen from Constantinople We now know de Charny s piece as the Shroud of Turin
7 The House of Savoy Shroud was given in 1453 to Duke Louis Savoy of the House of Savoy in France, where it remained for four centuries A special chapel was built for the Shroud; however, a fire broke out in 1532 and damaged the cloth -- this may have an effect on modern samplings and chemcial tests Scorch lines, heat, water, and reweaving
8 Modern History of the Shroud 1578: The Shroud was moved to Turin, Italy so that a monk would not have to make the trip to see it in France It has remained in Turin except for removal for safekeeping during World War II 1986: Shroud bequeathed to the Holy See -- Pope John Paul II and his successors Stored in the Cathedral of St. John the Baptist in Turin, Italy Has significant religious and cultural importance
9 Cathedral of St. John the Baptist Turin, Italy
10 Carbon-14 Dating Description of the method used to date the Shroud of Turin
11 Invention of C14 Dating Invented by Willard Libby in 1940s Carbon dating involves measuring the ratio of radioactive carbon-14 to stable carbon isotopes in organic material.
12 How C14 Dating Works Plants and animals, which utilize carbon in biological food chains, take up C14 during their lifetimes. The numbers of C14 atoms and non-radioactive carbon atoms stays approximately the same over time. As soon as a plant or animal dies, there is only decay.
13 The Libby Half Life Libby found that after 5568 years, half the C14 in the original sample will have decayed. The half-life is the name given to this value, which Libby measured at 5568±30 years.
14 Dating Technology The method of C14 counting used by Libby and his co-workers involved measuring radioactivity using modified Geiger counters. The next development in counting technology was Gas Proportional counters. In the early 1950s, the first attempts were made to detect C14 by the Liquid Scintillation (LS) counting method.
15 AMS Technology The operation of an AMS system to measure natural C14 concentrations involves four basic steps. First, the production of ions from a sample in an ion source, next, acceleration of ionized particles, then, the separation of the C14 from other isotopes and molecules, and lastly, counting of individual C14 ions.
16 Importance of C14 Dating The main and most fascinating application of C14 dating is in archaeology and anthropology where the measurement of its ration to that of stable carbon establishes the time at which an organic system died. C14 is the most important radioisotope in biological and medical studies
17 Carbon Dating the Shroud
18 Appearance linen cloth measuring 4.6 x 1.1 meters Corresponds to Philetaric cubits used in 1 st century Palestine Herringbone twill with 3:1 weave Probably of Syrian design Flax fibrils entwined with cotton fibrils Denotes that it was made on loom before The cotton is glossyplum herbaceum Origin in the Middle East Contains pollen grains from 58 species of plants Majority are indigenous to the Dead Sea/Turkey area Conclusion: Shroud was manufactured in the Middle East in the 1 st century
19 Image on Shroud Male 6 feet tall Bearded Distinctive markings of Roman flagram Bloodstains from wounds on wrists, feet, head, and left thoracic area Pooling of blood under small of back and feet Swelling under eyes Parts of beard missing
20 Analysis of Bloodstains McCrone detected iron oxide on shroud Thought it was from artist s paint X-ray fluorescent conducted by STURP Determined iron oxide was not responsible for image Dr. Heller and Adler applied pleochroism, birefringence, and chemical analysis Discovered the iron oxide was not remnants of paint Dr. Adler applied microspectrophotometric analysis on the shroud Found traces of hemoglobin The bloodstains are not paint but real blood The bloodstains were applied to the cloth before the image
21 1988 Radiocarbon Dating At first, wouldn t allow radiocarbon dating Samples required for testing were too large Finally, permission was granted for testing 12 samples were split up among 3 laboratories Zurich, Oxford, Arizona
22 Lab Results
23 According to results, shroud was dated between 1260 CE and 1390 CE Fueled discussion of medieval forgery Possible margin of error Natural processes that affect the outcome of radiocarbon dating
24 Damage to the Shroud On December 4, 1532, a fire broke out in chapel that housed the shroud The heat melted some of the silver encasement Particles of silver dripped onto the shroud, contaminating it Rescued and doused, but burn holes still visible
25 Experiments of Accuracy Dr. Kouznetsov conducted experiments with artifacts to see if heat changed radiocarbon date Used ancient linen cloth from Israel dated at 200 CE Exposed the cloth to heat Linen was now dated at 1400 years later
26 Contamination of the Shroud Extra C14 deposits can be due to bacteria and fungi Researchers Mattingly and Garza-Vermes looked for biogenic varnishes Heavy contamination was found on the shroud
27 Disproving the Medieval Radiocarbon Date
28 Exposure to the Cathedral fire in 1532 (and the burning of candles and incense before the shroud throughout the ages) saturated the Shroud with contaminants causing it to appear younger in the Carbon-14 analysis.
29 Most Plausible Theory Sample tested in 1988 was taken from the left hand edge Possible that the Shroud (particularly along the edges) was repaired during the 16 th Century with strands woven into the ancient material
30 3 different weaving experts (in a blind analysis) Identified disparate weave patterns Indicated touching up to prevent unraveling
31 Theoretical Carbon-14 Date Assumptions Sample was composed of new (16 th century) and old (2000 years) material 60% new, 40% old If Patchwork was done, the calculated date would have been about AD 1210 Date consistent with mean date AD 1200 found by Oxford lab
32 Madder dye/mordant/gum mixture had been wiped onto the strands on the corner of the Shroud the sample was taken from Indicates Repair Mixture didn t reach France or England until the 16 th century Further evidence for the hypothesized repair date
33 August 15, 2008 Team of Scientists from Los Alamos National Laboratory Studied strands from directly adjacent to the 1988 sample to test hypothesis that radiocarbon dated material could not be from original linen because it contained cotton Analysis supported theory During analysis one of the threads came apart and formed two separate pieces pieces which had different chemical compositions
34 Walter McCrone (scientist in charge of 1988 radiocarbon dating) claimed to have found evidence of pigments Other scientists deny the presence of pigments and instead assert that the Shroud is stained with blood The Truth? Controversial
35 Prof. Alan Adler (Chemistry, Western Connecticut State University) is an expert in this field and concluded the blood is real John Heller also concluded the blood is real. Baima Bollone found heme porphyr in and globulin in flakes from Shroud X-ray fluorescence revealed excess iron in stained areas as would be expected for blood. Microchemical tests for proteins were only positive in stained areas of the Shroud Prof. Alan Adler (Chemistry, Western Connecticut State University) is an expert in this field and concluded the blood is real John Heller also concluded the blood is real. Baima Bollone found heme porphyr in and globulin in flakes from Shroud X-ray fluorescence revealed excess iron in
36 The Facecloth of Christ?
37 Reported pollen grains on the Shroud from plants that could only be found in and around Jerusalem. Comparison of the shroud with the Sudarium of Oviedo revealed it to be embedded with pollen grains from the same species of plants as found on the Shroud.
38 Comparison of different artifacts with the Shroud of Turin Sudarium of Oviedo Byzantine Gold Coins Icon from Monastery of St. Catherine Points of Congruence between them seem to indicate that the shroud provided a model for the others These images have earlier recorded dates than the Shroud, thus they support the theory that it is older than the age arrived at after radiocarbon dating
39 SHROUD OF TURIN BYZANTINE COIN A.D. 692
40 SHROUD OF TURIN CHRIST PANTOCRATOR ICON A.D. 550
41 SHROUD OF TURIN BYZANTINE GOLD SOLIDUS COIN A.D
42 John Jackson, physicist at Colorado University and relic on the Shroud has secured the support of an Oxford lab Negotiations are underway with the Vatican to allow for re-dating Nothing will be done before the next display of the Shroud in 2010
43 Sources H.E. Gove. From Hiroshima to the Iceman. Institute of Physics, Briston & Philadelphia , Higham, Thomas. Radiocarbon Web-info. Radiocarbon Dating of the Shroud of Turin. Nature, Vol. 337, No (1989) R.E. Taylor. Radiocarbon Dating: An Archaeological Perspective. Department of Anthropology, University of California, Riverside
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