Download Full Text (6.2 MB)

Publication Date

January 2012


An artificial structure was discovered under a natural skylight inside Grutas de Tzincacamóztoc, in the vicinity of the archaeological site of Cantona. The structure is made up of piled rocks, defining a pentagonal enclosure with a central mound. Detailed measurements and computer modeling allowed tracing of the sunbeam path projected on the structure and on the cave floor, particularly for dates of astronomical and/or Mesoamerican calendrical importance. This corroborates the possible prehispanic use of this site as a complex and sophisticated gnomon. Se descubrió una estructura artificial bajo un tragaluz natural en las Grutas de Tzinacamóztoc, cerca del sitio argueológico de Cantona. La estructura consiste en un apilamiento de rocas que define un recinto pentagonal con un monticulo central. Mediante medidas detalladas y modelación por computadora se pudo obtener la traza del haz de luz proyectada sobre la estructura y el piso de la cueva, en particular para fechas de importancia astronómica y/o calendarica ritual mesoamericana, corroborando el posible uso prehispanico de este sitio como un complejo y sofisticado gnomon. Open Access - Permission by Author(s) See Extended description for more information.


Mexico, Anthropology







Rights Statement

In Copyright

To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.