Rock Identifier
Asphalt fragment (Bituminous concrete) — anthropogenic material
anthropogenic material

Asphalt fragment

Bituminous concrete

AI-generated identification · may be incorrect

Black, heterogeneous mixture of aggregate (sand, gravel) and bitumen binder. Variable hardness depending on temperature and weathering.

Identified More anthropogenic material
Explore Asphalt fragment in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

Physical properties

Black, heterogeneous mixture of aggregate (sand, gravel) and bitumen binder. Variable hardness depending on temperature and weathering.

Formation & geological history

Manufactured material used for paving roads and surfaces, composed of aggregate mixed with petroleum-derived bitumen.

Uses & applications

Used primarily in road construction, paving, and roofing.

Geological facts

Often mistaken for natural rocks or meteorites due to its dark color and textured surface.

Field identification & locations

Identified by its distinctive smell when heated, relatively low density, and heterogeneous texture of stones embedded in a black matrix.