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| Nazca geoglyphs | |
|---|---|
| Name | Nazca geoglyphs |
| Caption | Hummingbird geoglyph in the Nazca Desert |
| Location | Nazca Desert, Ica Region, Peru |
| Type | Geoglyphs |
| Epoch | Early Intermediate Period to Late Horizon |
| Cultures | Nazca culture, Paracas culture |
| Designation1 | UNESCO World Heritage Site |
| Designation1 date | 1994 |
Nazca geoglyphs are a series of extensive ground markings composed of lines, geometric shapes, and biomorphic figures created on the arid plains of southern Peru. Recognized for their scale, preservation, and enigmatic designs, they have attracted research from archaeologists associated with institutions such as the Smithsonian Institution, University of Pennsylvania, University of Tokyo, and National Geographic Society, and have been featured in discussions at venues like the Royal Geographical Society and the International Congress of Americanists. The site forms a key component of studies into the Nazca culture and related Andean traditions such as the Paracas culture.
The geoglyph ensemble includes straight lines, trapezoids, spirals, and figural representations of animals and plants, with iconic motifs often compared alongside artifacts from collections at the Louvre, Museo Nacional de Antropología, Madrid, and the British Museum. Their inclusion on the UNESCO World Heritage Sites in Peru list highlights intersections with broader research agendas pursued by organizations like the Peruvian Ministry of Culture, the Getty Conservation Institute, and the World Monuments Fund. Interpretations link the features to regional phenomena studied in the contexts of the Andean preceramic period, the Tiwanaku, and the Wari cultural trajectories.
Located in the hyperarid plain of the Nazca Desert within the Pampa de Jumana and surrounding plateaus near towns including Nazca, Palpa, and Puquio, the figures are visible from elevated viewpoints and aerial platforms such as aircraft operated by companies regulated under Dirección General de Aeronáutica Civil (Peru). The ensemble spans an area overlapping the Ica Region and features lines that extend for several kilometers, with widths varying from 10 cm to 1 m and with geoglyphs reaching dimensions comparable to modern stadiums and runways. The topography, including nearby formations like Cerro Blanco and the Chinca Bay, contributes to preservation by limiting fluvial erosion and facilitating archaeological survey methods used by teams from Yale University, University of Cambridge, and Pontifical Catholic University of Peru.
Chronologies for the lines draw on radiocarbon determinations from organic material associated with nearby ceremonial centers and burials at sites linked to the Nazca culture and its predecessors, notably the Paracas Necropolis. Dates commonly place primary activity within the Early Intermediate Period (Andean chronology) and possibly extending into the Middle Horizon. Comparative ceramics, textile motifs, and iconography paralleling artifacts housed at the Metropolitan Museum of Art and the Museo Larco support cultural affiliations. Debates engage specialists who publish in journals such as Science (journal), Nature (journal), and the Journal of Field Archaeology, and involve fieldwork overseen in part by the Peruvian Instituto Nacional de Cultura.
Analyses indicate creators removed dark oxidized stones to reveal lighter subsurface earth, producing high-contrast lines stabilized by natural desert crusts; similar methods appear in construction studies conducted by researchers at MIT, Carnegie Institution for Science, and Stanford University. Soil micromorphology, stratigraphy, and experimental archaeology correlate with techniques used in Andean engineering projects like the drainage works of Chavín de Huántar and terracing practices in the Sacred Valley of the Incas. Tools and footprints recovered nearby have been compared to artifacts curated in the National Museum of the American Indian and to experimental reconstructions demonstrated in exhibitions at the American Museum of Natural History.
Scholarly hypotheses propose functions ranging from astronomical markers connected to solar and planetary observations, ceremonial processional routes echoing patterns found in Tiwanaku plazas, to ritual offerings and water-related symbolism resonant with Andean rites documented in ethnohistoric sources such as chronicles by Garcilaso de la Vega and observations by Alexander von Humboldt. Iconographic analyses relate animal figures to motifs in Nazca pottery and textiles, and to broader Andean cosmologies examined in studies of the Inca Empire and Moche culture. Interdisciplinary approaches involve specialists from the Institute of Andean Studies, the Royal Society, and the National Geographic Society, reflecting ongoing debate rather than consensus.
Although local populations and early explorers including Toribio Mejía Xesspe and aviators like Paul Kosok and Maria Reiche brought international attention in the 20th century, scientific documentation expanded through aerial photography by militaries and surveys by universities such as University of San Marcos (Lima), University of California, Berkeley, and collaborations with agencies like NASA using satellite imagery and remote sensing technologies. Major projects have produced mapping datasets archived by institutions including the Peruvian Ministry of Culture and digitized collections in repositories such as the Smithsonian Institution Archives and the British Library.
Preservation challenges involve urban expansion around Nazca (city), infrastructure projects including highways and agricultural schemes, illicit vehicular traffic, and impacts from seismic events related to the Peru–Chile Trench region. Conservation initiatives coordinated by the Peruvian Ministry of Culture, international partners like the Getty Conservation Institute, and NGOs such as the World Monuments Fund employ monitoring, public outreach, and regulatory measures. High-profile incidents of damage have prompted legal actions invoking national heritage statutes and engagement by international bodies including UNESCO.
Category:Archaeological sites in Peru Category:Geoglyphs Category:Nazca culture