MEXICO CITY — A 2,500-year-old city influenced by the Olmecs, often referred to as the "mother culture" of Mesoamerica, has been discovered hundreds of miles away from the Olmecs' Gulf coast territory, archaeologists said.
The remains of Zazacatla are providing insight into the early arrival of advanced civilizations in central Mexico, while also providing lessons about the risks to ruins posed by modern development that now cover much of the ancient city.
Archaeologist Giselle Canto said Wednesday that two statues and architectural details at the site, 25 miles south of Mexico City, indicate that the inhabitants of Zazacatla adopted Olmec styles when they changed from a simple, egalitarian society to a more complex, hierarchical one.
"When their society became stratified, the new rulers needed emblems ... to justify their rule over people who used to be their equals," Canto said of the inhabitants, who may not have been ethnically Olmec, but apparently revered the culture as the most prestigious.
Zazacatla covered less than one square mile between 800 B.C. and 500 B.C. But much of it has been covered by housing and commercial development extending from Cuernavaca, a city popular with tourists just seven miles north.
"There are 10 housing developments, a gas station, a highway and a commercial building on the site now," Canto said.
Authorities hope to excavate and preserve other pre-Hispanic sites before they are forgotten or covered over.
The Olmecs dominated areas around the Gulf coast states of Veracruz and Tabasco from 1,200 B.C. to about 400 B.C.
Some had speculated that the signs of Olmec influence found at Zazacatla and other areas far from the Gulf coast might suggest Olmec settlements, conquests or missionary sites.
But Canto said the Olmecs' most famous ceremonial center, about 250 miles east, was too far for direct contact, though trade links may have existed.
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