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An Unexplored Realm in the Heartland of the Southern Gulf ... - Famsi

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apid growth <strong>of</strong> settlements and <strong>the</strong>ir associated populations that literally set <strong>the</strong> stage for<br />

<strong>the</strong> emergence <strong>of</strong> <strong>the</strong> San Lorenzo Horizon Olmec. Dur<strong>in</strong>g this temporal period, San<br />

Lorenzo appears to be a prototypical example <strong>of</strong> a central place model. The<br />

demographics, monumental sculpture, elite controlled craft production, among o<strong>the</strong>r<br />

sociopolitical and spatial aspects support this identification.<br />

By <strong>the</strong> Middle Formative period (c. 900-400 BC), significant social and<br />

demographic transformations had occurred, however. Symonds (2000:66; Symonds et al.<br />

2002:figures 4.4, 4.7) notes a 43 percent drop <strong>in</strong> <strong>the</strong> number <strong>of</strong> sites and more than a 90<br />

percent decl<strong>in</strong>e <strong>in</strong> population <strong>in</strong> <strong>the</strong> region contiguous to San Lorenzo, and a coeval<br />

change <strong>in</strong> <strong>the</strong> site types and dim<strong>in</strong>ished organizational complexity. San Lorenzo rapidly<br />

decl<strong>in</strong>ed <strong>in</strong> regional prom<strong>in</strong>ence and population as secondary sites moved away from <strong>the</strong><br />

center (Coe and Koontz 2002:72; Cyphers 1996b, 1997b). Dur<strong>in</strong>g <strong>the</strong> Late Formative<br />

period (c. 400 BC-AD 100) <strong>the</strong> region was abandoned; only a handful <strong>of</strong> small sites<br />

rema<strong>in</strong>ed <strong>in</strong> <strong>the</strong> area (Symonds 2000:68-69). The reasons for <strong>the</strong> abandonment <strong>of</strong> <strong>the</strong> area<br />

rema<strong>in</strong> unresolved. Revolt, <strong>in</strong>vasion, or natural hazards have been cited as possibilities<br />

(Borste<strong>in</strong> 2001; Coe and Diehl 1980a; Cyphers 1994). Changes <strong>in</strong> <strong>the</strong> ancient channels <strong>of</strong><br />

<strong>the</strong> Coatzacoalcos River have also been attributed to <strong>the</strong> site’s decl<strong>in</strong>e (Pérez and<br />

Cyphers 1997), and Symonds et al. (2002) conclude <strong>the</strong> lands surround<strong>in</strong>g San Lorenzo<br />

may have exceeded <strong>the</strong>ir carry<strong>in</strong>g capacity.<br />

La Venta<br />

Based on early radiocarbon dat<strong>in</strong>g (Drucker et al. 1957) and chronological<br />

ceramic crossties from nearby San <strong>An</strong>drés (von Nagy et al. 2001), we know that La<br />

49

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