Impact Earth

Spherules

N/A

Tektites

N/A

Indivudual Glass Clasts

Yes

Source Crater

Unknown

Geology

Central Depression of the Atacama Desert between the Coastal Cordillera to the west and the Precordillera (Cordillera Domeyko) to the east. Local rocks are Middle Jurassic to Lower Eocene calc-alkaline volcanic and intrusive rocks present as rocky relief sand smooth landforms, partly covered unconformably by a thin layer of Upper Miocene-Pliocene alluvial deposits consisting in unconsolidated polymict gravels supported by a sandy matrix deposited between 10 Ma and 1 Ma

1. Atacamaites have no equivalent among the few known terrestrial ejected impact glasses, and increase the intriguing diversity of such products that the authors propose to name “tektoids” (Gattacceca et al., 2021)

Other Shock Metamorphism

N/A

Shatter Cones

No

Planar Fractures

No

Planar Deformation Features

No

Diaplectic Glass

No

Coesite

No

Stisovite

No