Vol. 49 (2022), pp. 97–103 • 1.00 MB • español
About the Age of the Tierradentro Hypogea, Colombia: A Direct Dating Attempt of the Red Paint through Pictorial Remanent Magnetization

Rubén Cejudo, Fernando Montejo, Avto Goguitchaichvili, Juan Morales,
Francisco Bautista, Carlos Reina

Arqueol. Iberoam.

The series of underground tombs from Tierradentro, Colombia, carved in the soft volcanic rock, contains multiple artistic manifestations made of red paint. Despite their enormous archaeological and heritage importance, there is still a strong controversy about the age of these hypogea. The pictorial remanent magnetization, mostly carried by hematite grains, was analyzed for the Alto de Segovia hypogea. Hysteresis cycle experiments and continuous thermomagnetic curves indicate that both ferromagnetic and antiferromagnetic minerals are responsible for the magnetization. Alternating field demagnetization revealed the mean magnetic declination only for the Segovia 30 hypogeum, yielding an AD 1070–1150 time interval for the elaboration of the painting. This dating is contemporary to a similar burial found at the Rancho Grande site, in the La Cumbre-Pavas region.

Tierradentro; Colombia; hypogea; red paint; archaeomagnetism; pictorial remanent magnetization.

Cite as
Cejudo, R.; F. Montejo; A. Goguitchaichvili; J. Morales; F. Bautista; C. Reina. 2022.
Sobre la edad de los hipogeos de Tierradentro, Colombia: intento de datación directa de la pintura roja mediante la magnetización remanente pictórica.
Arqueología Iberoamericana 49: 97-103.

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Publication date: May 2, 2022.

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