Other pre-Clovis sites challenging timeline. White Sands, New Mexico contains evidence dating to over 20,000 years ago Meadowcroft Rockshelter in Pennsylvania is dated to 19,000-23,000 years ago The G Site in Austin, Texas is dated to 19,000-23,000 years ago

Pre-Clovis evidence keeps piling up: Meadowcroft Rockshelter (16,000 yrs) and sites like Page-Ladson (14,550 yrs) challenge the Clovis-first model. Brazilian sites like Pedra Furada also show early occupation signs. 🌎

Key facts claimed:

- White Sands, New Mexico contains evidence dating to over 20,000 years ago

- Meadowcroft Rockshelter in Pennsylvania is dated to 16,000-19,000 years ago

- The G Site in Austin, Texas shows evidence potentially dating to 19,000-23,000 years ago

- Pedra Furada in Brazil has rock art that may be pushing 50,000 years

- A mammoth tusk site near San Diego shows evidence of marrow extraction

Key Facts

  • White Sands, New Mexico contains evidence dating to over 20,000 years ago
  • Meadowcroft Rockshelter in Pennsylvania is dated to 19,000-23,000 years ago
  • The G Site in Austin, Texas is dated to 19,000-23,000 years ago
  • Sero Capa in Brazil has rock art that may be pushing 100,000 years
  • A mammoth tusk site near San Diego shows evidence of marrow extraction
  • The Calico Early Man Site in California was also found to be thousands of years old
  • Archaeologists acknowledge evidence prior to Clovis is hard to find because it can be 20 feet below ground