T.W. Gardner K.G. Hirth M.S. Panfil 1999 <p>Late Holocene (&lt;2500 yr B.P.) tephras bury a sequence of pre-Hispanic archaeological sites in the Tetimpa area, on the northeast flank of Popocatépetl volcano. From measured stratigraphic sections,<span>&nbsp;</span>¹⁴C dates, and isopach maps, this paper reconstructs the eruptive chronology and the regional extent of deposits associated with the Tetimpa archaeological sites.</p> application/pdf 10.1130/0016-7606(1999)111<0204:LHSOTT>2.3.CO;2 en Geological Society of America Late Holocene stratigraphy of the Tetimpa archaeological sites, northeast flank of Popocatepetl volcano, central Mexico article