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Figure 15. Isopleth lines indicate standardized residual of total Mn compared with its principal component group.

Figure 15 Isopleth lines indicate standardized residual of total Mn compared with its principal component group.

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Figure 1. The Western Maya Lowlands, showing the location of Piedras Negras.
Figure 1. The Western Maya Lowlands, showing the location of Piedras Negras.
Figure 2. Stratigraphy of structure U-16 (from Wells, 1999).
Figure 2. Stratigraphy of structure U-16 (from Wells, 1999).
Figure 3. Scatterplot illustrating linear regression outliers (circled) between a factored group and an individual element.
Figure 3. Scatterplot illustrating linear regression outliers (circled) between a factored group and an individual element.
Figure 4. Isopleth lines represent extractable phosphate concentration (mg/kg) of structure U-16, Piedras Negras.
Figure 4. Isopleth lines represent extractable phosphate concentration (mg/kg) of structure U-16, Piedras Negras.
Figure 5. Isopleth lines represent total phosphate concentration (mg/kg) of structure U-16, Piedras Negras.
Figure 5. Isopleth lines represent total phosphate concentration (mg/kg) of structure U-16, Piedras Negras.
*Correlation is significant at the 0-05 level (2-tailed) as determined by bivariate correlation. Table 1. Correlation matrix of the DTPA extractable metals
*Correlation is significant at the 0-05 level (2-tailed) as determined by bivariate correlation. Table 1. Correlation matrix of the DTPA extractable metals
Figure 6. Isopleth lines indicate standardized values of factored group containing DTPA extractable Ba, Cd, Cu, and Mn.
Figure 6. Isopleth lines indicate standardized values of factored group containing DTPA extractable Ba, Cd, Cu, and Mn.
Figure 7. Isopleth lines indicate standardized residual of DTPA extractable Cu compared with its principal component group.
Figure 7. Isopleth lines indicate standardized residual of DTPA extractable Cu compared with its principal component group.
Figure 8. Isopleth lines indicate standardized residual of DTPA Mn compared with its principal group.
Figure 8. Isopleth lines indicate standardized residual of DTPA Mn compared with its principal group.
Figure 9. Isopleth lines indicate standardized values of factored group containing DTPA Fe, Hg, Pb, and Zn.
Figure 9. Isopleth lines indicate standardized values of factored group containing DTPA Fe, Hg, Pb, and Zn.
Figure 10. Isopleth lines indicate standardized residual of DTPA extractable Fe compared with its principal component group
Figure 10. Isopleth lines indicate standardized residual of DTPA extractable Fe compared with its principal component group
Figure 11. Isopleth lines indicate standardized residual of DIPA Pb compared with its principal group.
Figure 11. Isopleth lines indicate standardized residual of DIPA Pb compared with its principal group.
Figure 12. Isopleth lines indicate standardized residual of DTPA Hg compared with its principal group.
Figure 12. Isopleth lines indicate standardized residual of DTPA Hg compared with its principal group.
*Correlation is significant at the 0-05 level (2-tailed) as determined by bivariate correlation. Table 2. Correlation matrix of the total metal analysis
*Correlation is significant at the 0-05 level (2-tailed) as determined by bivariate correlation. Table 2. Correlation matrix of the total metal analysis
Figure 13. Isopleth lines indicate standardized values of factored group containing total Ba, Fe, Mn, and Zn.
Figure 13. Isopleth lines indicate standardized values of factored group containing total Ba, Fe, Mn, and Zn.
Figure 14. Isopleth lines indicate standardized residual of total Fe compared with its principal component group.
Figure 14. Isopleth lines indicate standardized residual of total Fe compared with its principal component group.
Figure 16. Isopleth lines indicate standardized residual of total Zn compared with its principal component group
Figure 16. Isopleth lines indicate standardized residual of total Zn compared with its principal component group
Figure 17. Isopleth lines indicate standardized values of factored group containing total Cd, Cu, Hg, and Pb.
Figure 17. Isopleth lines indicate standardized values of factored group containing total Cd, Cu, Hg, and Pb.
Figure 18. Isopleth lines indicate standardized residual of total Cu compared with its principal component group.
Figure 18. Isopleth lines indicate standardized residual of total Cu compared with its principal component group.
Figure 19. Isopleth lines indicate standardized residual of total Hg compared with its principal group.
Figure 19. Isopleth lines indicate standardized residual of total Hg compared with its principal group.
Table 3. Distribution of artifacts with chemical concentration and probable activities *Ceramic=>1000 Ceramic Pieces, Obsidian=>15 Obsidian blades, Chert=>5 pieces of chert, Figurines=>5 Figurine pieces, Anima Bones=>10 animal bones. **Elevated metals refers to >1 standard deviation from the mean, Elevated Mehlich P; >55 mg/kg, Elevated Total P; >3000 mg/kg.
Table 3. Distribution of artifacts with chemical concentration and probable activities *Ceramic=>1000 Ceramic Pieces, Obsidian=>15 Obsidian blades, Chert=>5 pieces of chert, Figurines=>5 Figurine pieces, Anima Bones=>10 animal bones. **Elevated metals refers to >1 standard deviation from the mean, Elevated Mehlich P; >55 mg/kg, Elevated Total P; >3000 mg/kg.
Table 4. Correlation matrix of the total metal and DTPA metal analyses *Correlation is significant at the 0-05 level (2-tailed) as determined by bivariate correlation.
Table 4. Correlation matrix of the total metal and DTPA metal analyses *Correlation is significant at the 0-05 level (2-tailed) as determined by bivariate correlation.
Related topics:
Mesoamerican ArchaeologyMaya ArchaeologySoil phosphorus
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