This file contains the data in a spreadsheet, Excel format (.xls), to be read directly. Click here to see the file TAB_A13.XLS (24,064 bytes) and then download it to your disk.
 
 
    ASCII FORMAT - TAB_A13.TXT

This file contains the data from 29 contexts in the La Entrada region with chipped stone artifacts. The contents for every context are presented in one line, the data file TAB_A13.TXT has 29 lines with 29 variables separated with commas. The 29 variables are, in the following order:
 
 

The first line of the file, for example, looks like this:

"La Florida","490","1", 7,7,100.0,0,0,0,0,0,0,0,0,0,0,4,57.1,4,57.1,0,0,1.7,4.1,6.7,3.9,212,0.033,0.032

It belongs to the first context analyzed, which indicates the valley "La Florida", site number "490", site category: "1". This context has a total of 7 obsidian artifacts, 7 artifacts (100.0%) were analyzed. Then obsidian artifacts are presented according to their sources, Ixtepeque, 0 artifacts (0% of the obsidian analyzed); San Luis Fuente Y, 0 (0%); El Chayal, 0 (0%); La Esperanza, 0 (0%); unidentified sources, 0 (0%). The line continues with the total of prismatic blades from the context, 4 blades (57.1%); prismatic blades from Ixtepeque, 4 blades (57.15%); Ixtepeque with cortex: 0 artifacts (0% of the total of Ixtepeque artifacts); excavated volume, 1.7 m3; obsidian density (artifacts per cubic meter), 4.1; obsidian weight, 6.7 g; obsidian density (g per cubic meter), 3.9; ceramic sherds, 212; obsidian number / ceramics ratio: 0.033; obsidian weight / ceramics ratio: 0.032. The quotation marks around "La Florida" and "490" indicate that these variables are alphanumeric and "" indicates the absence of data.

The last (29th) line is:

"La Venta","Los Higos","", 392,97,24.7,90,92.8,6,6.2,1,1.0,0,0,0,0,78,80.4,77,85.6,2,2.2,21.3,4.6,107.7,5,2822,0.0347,0.038

This indicates the valley, "La Venta", the site "Los Higos", there is no site category . This context has a total of 392 obsidian artifacts, 97 artifacts (28.7%) were analyzed. Then obsidian artifacts are presented according to their sources, Ixtepeque, 90 artifacts (92.8% of the obsidian analyzed); San Luis Fuente Y, 6 (6.2%); El Chayal, 1 (1.0%); La Esperanza, 0 (0%); unidentified sources, 0 (0%). The line continues with the total of prismatic blades from the context, 78 blades (80.4%); prismatic blades from Ixtepeque, 77 blades (85.6%); Ixtepeque with cortex, 2 artifacts (2.2% of the total of Ixtepeque artifacts); excavated volume, 21.3 m3; obsidian density (artifacts per cubic meter), 4.6; obsidian weight, 107.7 g; obsidian density (g per cubic meter), 5; ceramic sherds, 2822; obsidian number / ceramics ratio: 0.0347; obsidian weight / ceramics ratio: 0.038. The quotation marks around "La Venta" and "Los Higos" indicate that these variables are alphanumeric and "" indicates the absence of data.

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