Conglomerate
Conglomerate (clastic sedimentary rock)
Category
Browse sedimentary rock (possibly conglomerate or breccia with a quartz vein) specimens identified by the Rock Identifier community.
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (Sedimentary rock)
Polymict conglomerate (pebble conglomerate)
Clastic sedimentary rock; rounded pebble and granule clasts in a finer-grained matrix
Conglomerate
Conglomerate (clastic sedimentary rock)
Breccia
Breccia (Clastic sedimentary rock)
Conglomerate
Conglomerate (Clastic sedimentary rock)
Breccia Pebble
Sedimentary Breccia
Jasper and Quartzite Breccia
Silicified sedimentary breccia
Conglomerate (polymictic, possibly metamorphosed)
Polymictic conglomerate; clasts cemented in a dark, likely quartz-rich matrix
Conglomerate (possibly fossiliferous limestone breccia)
Polymictic conglomerate; clasts commonly quartz, chert, and carbonate cement (exact identification requires testing)
Conglomerate
Conglomerate (clastic sedimentary rock)
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
Conglomerate
Clast-supported polymict conglomerate
Conglomerate
Conglomerate (Clastic Sedimentary Rock)
Conglomerate (puddingstone)
Polymict conglomerate; rounded pebbles and cobbles cemented in a finer matrix
Breccia
Breccia (Clastic Sedimentary Rock)
Brecciated marble (decorative stone slab)
Calcite-rich marble breccia; chiefly calcite (CaCO₃), potentially with dolomite and minor iron oxides
Light-colored weathered rocks, possibly limestone or quartz-rich stone
Probable limestone/calcitic rock; exact identification is uncertain because strong flash overexposure obscures texture
Conglomerate
Conglomerate (Detrital sedimentary rock)
Weathered conglomerate
Polymictic clast-supported conglomerate, with a sandy or finer-grained matrix
Breccia
Sedimentary Breccia
Conglomerate (or Breccia)
Clastic Sedimentary Rock
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
Brecciated quartz-rich rock (probable vein breccia)
Hydrothermal quartz breccia; predominantly SiO₂ quartz clasts in iron-oxide-rich cement
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (a clastic sedimentary rock)
Quartz-rich polymict conglomerate (possibly hydrothermal breccia)
Clast-supported polymict conglomerate dominated by quartz; includes chalcedony/quartz and dark lithic clasts
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (Clastic Sedimentary Rock)
Breccia
Clastic Breccia (SiO2/CaCO3 dominated)
Breccia
Clastic Breccia (General mineral composition depends on fragments, often SiO2 or CaCO3)
Conglomerate
Conglomerate (clastic sedimentary rock)
Breccia
Breccia (Clastic Sedimentary Rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Clastic sedimentary rock (Polymictic Conglomerate)
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
Breccia
Clastic Breccia
Conglomerate
Polymictic conglomerate, likely carbonate-cemented
Conglomerate (or Breccia)
Clastic Sedimentary Rock (Conglomeratic)
Conglomerate
Conglomerate (clastic sedimentary rock)
Quartz-rich breccia or conglomerate
Siliciclastic conglomerate/breccia, predominantly quartz and feldspar clasts in a rusty iron-oxide cement