Radiocarbon dating a third radiocarbon revolution. Occasionally, radiocarbon dating techniques date an object of popular interest, for example the Shroud of Turin, a piece of linen cloth thought by some to bear an image of Jesus Christ after his crucifixion. Three separate laboratories dated samples of linen from the Shroud in 1988; the results pointed to 14th-century origins, raising doubts about the shroud's authenticity as an alleged 1st-century relic. Researchers have studied other radioactive isotopes created by cosmic rays to determine if they could also be used to assist in dating objects of archaeological interest; such isotopes include , , , ,
Ixcateopan (archaeological site) de productos derivados del algodón, materia prima que debió ser la principal fuente de abasto y de culto en la región. The archaeological zone consists of a series of overlays built on a natural elevation of the terrain, which occupies approximately 5 thousand square meters. Construction materials employed include: stone slabs, marble, limestone, boulders; and stucco and red paint used for finishing. Ceramic artifacts are a large and important group of samples found, generally mentioned in archaeological reports, serve to describe as well as chronological placement of sites, although seldom are investigation and study specific subjects The typical ceramics used