Characterization of pottery from Cerro de Las Ventanas, Zacatecas, México
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H. Lopez-del-Rio
Abstract
With the aim of classifying prehispanic pottery from Cerro de Las Ventanas site, Juchipila, Zacatecas, México, instrumental neutron activation analysis (INAA) was used to analyze ceramic samples at the University of Missouri Research Reactor Center. Thirty-two chemical elements were measured: Al, As, Ba, Ca, Ce, Co, Cr, Cs, Dy, Eu, Fe, Hf, K, La, Lu, Mn, Na, Nd, Rb, Sb, Sc, Sm, Sr, Ta, Tb, Ti, Th, U, V, Yb, Zn, and Zr. Two multivariate statistical methods, cluster analysis and principal component analysis, were performed on the dataset to examine similarities between samples and to establish compositional groups. The statistical analyses of the dataset suggest that the pottery samples form a unique chemically homogeneous group, with the exception of one pottery sample. The compositional data were compared to an existing Mesoamerican ceramic database. It was found that the newly generated data fit best with data from a previous chemical analysis of pottery from the Malpaso Valley. However, despite the apparent similarity, pottery samples from the site of Cerro de Las Ventanas represent a new and unique chemical fingerprint in the region.
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Artikel in diesem Heft
- Proton induced reactions on 89Y with particular reference to the production of the medically interesting radionuclide 89Zr
- Recovery of U and Pu from simulated spent nuclear fuel by adducts of organic reagents with HNO3 followed by their separation from fission products by countercurrent chromatography
- New chemical sensors based on extraction systems for stable fission products analysis
- Combined effect of H2O2 and HCO3- on UO2(s) dissolution rates under anoxic conditions
- Leaching of 53 MW/d kg U spent nuclear fuel in a flow-through reactor
- Investigation of the radiolytic stability of a CyMe4-BTBP based SANEX solvent
- Separation of no-carrier-added arsenic-77 from neutron irradiated germanium
- Comparative studies of S-bridged complexes of 99mTc with fac(S)-[M(aet)3] (M=RhIII, IrIII; aet=2-aminoethanethiolate)
- Characterization of pottery from Cerro de Las Ventanas, Zacatecas, México
- Radiation chemical effects on radiochemistry: A review of examples important to nuclear power
