ShroudOfTurin - http:/www.mcri.org/Shroud.html (Research at...

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http://www.mcri.org/Shroud.html (Research at McCrone Research Institute) The Shroud of Turin According to Dr. Walter McCrone and his colleagues, the 3+ by 14+ foot cloth depicting Christ's crucified body is an inspired painting produced by a Medieval artist just before its first appearance in recorded history in 1356. The faint sepia image is made up of billions of submicron pigment particles (red ochre and vermilion) in a collagen tempera medium. Dr. McCrone determined this by polarized light microscopy in 1979. This included careful inspection of thousands of linen fibers from 32 different areas (Shroud and sample points) , characterization of the only colored image- forming particles by color, refractive indices, polarized light microscopy, size, shape, and microchemical tests for iron, mercury, and body fluids. The paint pigments were dispersed in a collagen tempera (produced in medieval times, perhaps, from parchment). It is chemically distinctly different in composition from blood but readily detected and identified
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This note was uploaded on 04/28/2011 for the course ANTH 150 taught by Professor Pietrusewsky during the Fall '10 term at University of Hawaii, Manoa.

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