Cerros del Rio Dacite

Natural Form:

Description of Physical Characteristics:

Color: Cerros del Rio Dacite ranges from a very dark gray to black with spare olivine phenocrysts and very small when present.

Texture:

Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment:

Knapping: Very good knapping quality

Distribution:

Distribution Comments:
Cerros del Rio Dacite is associated with the Cerro del Rio Volcanics of New Mexico occurring as a cliff on a small butte near the Rio Grande in Bandelier National Monument, New Mexico.

Projectile point made from this material:

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Commonly made projectile point from this material:

Archaeological Context:
Prehistoric quarry present at source.