Precolumbian Archaeology Brief

Paleogenomics transforms Andean health history:

• First ancient Streptococcus pyogenes genome from a 14th-century Bolivian mummy (1283-1383),...

Key fieldwork update from INAH survey in Othón P. Blanco:

• 80 mapped structures, including corbel-vaulted buildings signaling skilled labor and...

Laxtunich lintel controversy exposes repatriation pitfalls:

• NY DA returned Late Classic masterpiece to Mexico as national treasure, but scholars...

LiDAR's implications for pre-Columbian Americas: uncovering settlement networks of platforms, terraces, and embankments in Panama's rainforest,...

Key efficiency gains from new AI-LiDAR system tested at China's Wuwangdun tomb:

• 70% time reduction vs. traditional methods for documenting layers.
  -...

New bioarchaeological study uses path analysis to model precipitation's effects on health in pre-Hispanic Andes populations over 5 millennia.

• Core...

The orientation of Mayan ceremonial centers has long fascinated archaeologists, historians, and scholars seeking to understand their spiritual dimensions.

New Maya Site Registrations

• 🔥 El Jefeciño in Quintana Roo: INAH registered El Jefeciño, a 100-hectare Maya site with 80 Petén-style buildings...

INAH registered El Jefeciño, a ~100-ha Classic Maya site (AD 250–900) with 80 Petén-style structures in Quintana Roo's forests, reported by locals...

Key methodological advance in non-destructive NIR spectroscopy for bone collagen:

• 2030–2060 nm window targets strong collagen bands, dodges water...

Personal visit to Canyons of the Ancients uncovers key Ancestral Puebloan features and preservation risks:

• Undocumented shrine on conical hill:...

Quick Recap

• Repost on archaeological exploration of Pichincha Occidental in Ecuador, a burgeoning field into pre-Columbian cultures.
• Repost...

Kaminaljuyu's Formative reliefs reveal Preclassic innovations:

• Low-relief portraiture with accompanying inscriptions
• Hieroglyphic texts unlike later Maya ones

• Swarts Ruin: Typical Classic Mimbres site in southwestern New Mexico
• Mimbres Valley Expedition by Cosgroves: Focused on excavating these ruins
• Key volume: Long out of print classic report now highlighted

Archaeological exploration of western Pichincha, Ecuador is a burgeoning field, revealing key insights into pre-Columbian cultures and their interactions.

Key highlights from the iDAI.field lecture:

• Free and open-source software for structured archaeological documentation, developed by DAI since 2016...

• Provenance method: Copper mined near Lake Superior, traced 800+ miles to Ohio via trade goods archaeological records and site excavations.
• Network...

Test pit methods in harsh, insect-ridden coastal conditions uncover Malabar II (900-1500s) refuse midden with shark vertebrae, shells, and...

Key implications for Preceramic peopling and Beringian debates:

• Three dispersal waves: Earliest >9,000 years ago into South America, followed by...

Breakthrough method for non-invasive ruin detection: Combines SNV with ResNet50 on visible-near-infrared spectra to classify ancient ruins merged with...