sedimentary
Unidentified small rocks or gravel
Small size, varied shapes (some rounded, some angular), dull luster, grayish-brown color.
Identified More sedimentary →
Explore Unidentified small rocks or gravel in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Small size, varied shapes (some rounded, some angular), dull luster, grayish-brown color.
Formation & geological history
Likely weathered fragments from larger rock formations, transported and deposited by water, wind, or ice.
Uses & applications
Commonly used in construction as aggregate, landscaping, or driveways.
Geological facts
Gravel is a loose aggregation of rock fragments. It is classified by particle size range and includes size classes from granule- to boulder-sized fragments.
Field identification & locations
Found almost everywhere on the Earth's surface where erosion has occurred. Identifying the exact type of rock requires closer inspection of individual pieces.
More like this
Other sedimentary specimens
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Sedimentary Sandstone
Arenite (Sedimentary Rock)
sedimentary
Fossiliferous Concretion
Septarian Concretion containing Brachiopods/Crinoids
fossil
Banded Siltstone / Mudstone Pebble
Siltstone / Argillite
sedimentary
Shale (or Mudstone/Siltstone)
Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
sedimentary
Shale
Shale (clastic sedimentary rock)
sedimentary