Rock Identifier
Crushed stone aggregate (Mixed lithic aggregate; individual fragments cannot be identified from the image) — sedimentary
sedimentary

Crushed stone aggregate

Mixed lithic aggregate; individual fragments cannot be identified from the image

AI-generated identification · may be incorrect

Angular gray and dark rock fragments in a compacted surface, with varied grain sizes and no visible uniform crystal structure. Hardness, mineral composition, and specific gravity cannot be determined reliably from the photograph.

Identified More sedimentary →
Explore Crushed stone aggregate in the encyclopedia →

Identify your own rocks.

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

Physical properties

Angular gray and dark rock fragments in a compacted surface, with varied grain sizes and no visible uniform crystal structure. Hardness, mineral composition, and specific gravity cannot be determined reliably from the photograph.

Formation & geological history

Likely quarried rock that was mechanically crushed and spread as road or path surfacing; its geological age and original rock types are unknown.

Uses & applications

Commonly used for road bases, paths, drainage, and construction aggregate.

Geological facts

The angular fragments suggest crushed rather than naturally rounded gravel.

Field identification & locations

This is a human-processed geological material, but the image does not show enough detail to identify the source rock. A fresh, clean fragment examined closely would help distinguish minerals and rock type.