Tulor is an archaeological site

Archaeological site

An archaeological site is a place in which evidence of past activity is preserved , and which has been, or may be, investigated using the discipline of archaeology and represents a part of the archaeological record.Beyond this, the definition and geographical extent of a 'site' can vary widely,...

 located in the Norte Grande

Norte Grande

Norte Grande is a civil parish in the municipality of Velas on the island of São Jorge in the Azores; owing to the existence of an ecumenical faith community throughout its history, the parish has also taken on the name of its religious invokation...

 natural region of the Antofagasta Region

Antofagasta Region

The II Antofagasta Region is one of Chile's fifteen first-order administrative divisions. It comprises three provinces, Antofagasta, El Loa and Tocopilla...

, Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

 near San Pedro de Atacama

San Pedro de Atacama

San Pedro de Atacama is a Chilean town and commune in El Loa Province, Antofagasta Region. It is located east of Antofagasta, some 106 km southeast of Calama and the Chuquicamata copper mine, overlooking the Licancabur volcano. It features a significant archeological museum, the R. P...

. The site is a former village complex with an area of 5200 sqm and 22 outlying edifices. The settlement's remains are distributed in an east-west fashion along 2 km (1 mi). Radiocarbon

Radiocarbon dating

Radiocarbon dating is a radiometric dating method that uses the naturally occurring radioisotope carbon-14 to estimate the age of carbon-bearing materials up to about 58,000 to 62,000 years. Raw, i.e. uncalibrated, radiocarbon ages are usually reported in radiocarbon years "Before Present" ,...

 and thermoluminescence dating

Thermoluminescence dating

Thermoluminescence dating is the determination, by means of measuring the accumulated radiation dose, of the time elapsed since material containing crystalline minerals was either heated or exposed to sunlight...

 date the origin of the settlement sometime between 380 BCE and 200 CE, but most structures are from the period 800 CE - 1200 CE. Architectural characteristics of Tulor are circular walls are made of mud

Mud

Mud is a mixture of water and some combination of soil, silt, and clay. Ancient mud deposits harden over geological time to form sedimentary rock such as shale or mudstone . When geological deposits of mud are formed in estuaries the resultant layers are termed bay muds...

 and vaults

Vault (architecture)

A Vault is an architectural term for an arched form used to provide a space with a ceiling or roof. The parts of a vault exert lateral thrust that require a counter resistance. When vaults are built underground, the ground gives all the resistance required...

. In 1998 the World Monuments Fund

World Monuments Fund

World Monuments Fund is a private, international, non-profit organization dedicated to the preservation of historic architecture and cultural heritage sites around the world through fieldwork, advocacy, grantmaking, education, and training....

, an international non-profit organization, listed Tulor in the 1998 World Monuments Watch List of 100 Most Endangered Sites. After little was done to protect it, the site was re-listed in 2006.