sentences:  These two structures, despite their drastic difference in size, date to the Tequila II phase (300 to 100 BCE).Circle 6 is notable for containing several secondary burials within its altar, possibly part of a place-making ritual involving important ancestors.The Middle Formative (or Tequila I phase) dates from 1000 to 300 BCE There is some evidence in the form of ceramic sherds for a Middle Formative occupation at the site at both ceremonial centers.