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| Aconcagua culture | |
|---|---|
| Name | Aconcagua culture |
| Region | Mendoza Province, Argentina; Aconcagua Valley; Andes |
| Period | Late Preceramic to Late Intermediate Period |
| Dates | ca. 1st millennium BCE – 15th century CE |
| Major sites | Puente del Inca, Las Cuevas, Cerro El Plata, Valle de Uco |
| Preceded by | Huarpe culture; El Molle; Diaguita |
| Followed by | Inca Empire; Spanish colonization |
Aconcagua culture is a pre-Columbian archaeological tradition centered in the Aconcagua River valley and adjacent Andean foothills of what is now Mendoza Province, Argentina. Characterized by distinctive pottery, mortuary practices, terrace agriculture, and highland-lowland interaction, it flourished from the early first millennium BCE into the late prehispanic period before incorporation into the Inca Empire and subsequent Spanish conquest of the Americas. Scholarship integrates fieldwork from sites such as Puente del Inca, Las Cuevas, and Valle de Uco with analyses by institutions like the Museo de La Plata and universities across Argentina and Chile.
The Aconcagua cultural sphere occupied the Aconcagua River drainage, extending from the Andes highlands near Aconcagua (mountain) and Paso de los Libertadores down to the eastern piedmont and the Mendoza River basin, interfacing with regions such as San Juan Province and Neuquén Province. Chronologically it is often placed between ceramics-diagnostic horizons spanning the Late Preceramic through the Late Intermediate Period, contemporaneous with traditions like Diaguita, Huarpe, El Molle, Tiahuanaco expansion phases, and later the Inca Empire expansion under rulers such as Pachacuti and Topa Inca Yupanqui. Radiocarbon sequences from cave sites near Las Cuevas and open-air sites in the Uco Valley frame occupational pulses linked to climatic shifts recorded in Andean ice cores and Lake Luján records.
Archaeologists debate stemmatic connections between Aconcagua ceramics and antecedent traditions including El Molle culture, Las Ánimas, and early Diaguita phases, with hypothesized migration, acculturation, and local innovation processes. Early development shows continuity in lithic industries comparable to sequences at Cerro El Plata and mortuary assemblages paralleling those documented by teams from the Consejo Nacional de Investigaciones Científicas y Técnicas and the Instituto Nacional de Antropología y Pensamiento Latinoamericano. Later development reflects interaction spheres incorporating elements traceable to Tiwanaku trade networks, Chimú coastal exchange, and eventual administrative integration into the Inca road system (Qhapaq Ñan).
Distinctive Aconcagua ceramics include black-on-red painted wares, modeled spouts, and thick-walled pots akin to examples recovered at Puente del Inca and housed in collections at the Museo Nacional de Antropología and the Museo de Historia Natural de San Rafael. Lithic artifacts feature obsidian blade technologies sourced from highland quarries near Socompa and Cerro Zapaleri, alongside ground stone tools for processing produced from basalt and andesite from the Cordillera Principal. Textiles, though less frequently preserved, display weaving techniques comparable to pieces attributed to Diablo Plateau and motifs resonant with Tiwanaku iconography; metalwork examples show copper-alloy usage linked to metallurgical knowledge in Pre-Columbian metallurgy centers such as Cuzco and Lake Titicaca workshops.
Subsistence relied on irrigated terrace agriculture in the Uco Valley and valley bottoms cultivating crops like maize, quinoa, potato, and bean varieties, integrated with pastoralism of camelids and domestic camelids introduced or managed from highlands; zooarchaeological assemblages include domesticated camelids and hunted guanaco and viscacha from puna environments. Irrigation systems mirror hydraulic modifications documented around Mendoza City and small-scale storage technologies such as adobe silo structures and subterranean caches comparable to those at Las Cuevas. Exchange networks facilitated trade in obsidian, salt from Salinas Grandes, and coastal marine products via caravan routes connecting to Valparaíso and Chinchorro corridor intermediaries.
Settlements ranged from dispersed hamlets in the piedmont to defended hilltop sites and seasonal highland camps, with evidence for nucleated villages near perennial water sources and ceremonial plazas resembling planning seen in Diaguita poblados and Tiahuanaco influenced sites. Social differentiation appears in mortuary variability — some tombs include prestige goods paralleling items associated with elite burials in Cuzco and Tiwanaku contexts — and in control of irrigation infrastructure reminiscent of documented tenure systems in colonial records from Mendoza City and Santiago de Chile colonial archives. Ethnohistoric accounts and toponymy preserved by Huarpe and Pehuenche inform debates on lineage and community organization.
Ritual life involved highland rituals at puna shrines, offerings in caves and rock shelters at sites like Las Cuevas, and architectural features aligned with solar and topographic markers, comparable to ceremonial concepts at Tiwanaku shrines and Inca huacas. Artifact assemblages indicate votive ceramics, camelid sacrifices, and coca-related paraphernalia linked to pan-Andean ritual practices recorded in Spanish chronicles and ethnographies of Andean religion. Iconography echoes motifs found in Tiwanaku and Diaguita corpora, suggesting shared cosmological themes such as mountain worship and ancestor veneration prevalent across the central Andes.
Aconcagua communities participated in multi-scalar networks connecting to Tiwanaku, Diaguita, El Molle, Chimú, and later the Inca Empire, evidenced by exotic material imports, ceramic hybridization, and road integration into the Qhapaq Ñan. Contact with Spanish Empire actors after the 16th century produced rapid social reconfiguration documented in colonial administrative records and baptismal registries archived in Archivo General de Indias and provincial repositories. Modern archaeological research continues through collaborations among institutions such as the Universidad Nacional de Cuyo, CONICET, and international teams from universities including University of Buenos Aires, University of Chile, University of Oxford, and Smithsonian Institution.
Category:Archaeological cultures of South America Category:Pre-Columbian cultures Category:History of Mendoza Province