Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
sedimentary
Category
Sedimentary Rock (Possibly A Conglomerate Or Coarse Grained Sandstone)
Browse sedimentary rock (possibly a conglomerate or coarse grained sandstone) specimens identified by the Rock Identifier community.
Jasper Conglomerate (specifically Puddingstone)
Jasper Conglomerate (Siliceous sedimentary rock)
sedimentary
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Banded Gneiss (with possible weathered sulfide or iron staining)
Gneiss, potentially with iron oxide/hydroxide staining (e.g., limonite) or weathered sulfides
Metamorphic
Quartz (with inclusions / Sandstone fragment)
Silicon Dioxide (SiO2)
mineral
Puddingstone
Conglomerate
sedimentary
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
sedimentary
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Diorite (possibly fine-grained variety or a related intermediate intrusive rock like a felsic gabbro or a dark granodiorite)
Diorite (Igneous rock, intrusive, intermediate composition)
Igneous Rock
Puddingstone (Jasper Conglomerate)
Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)
Sedimentary
Breccia
Clastic Breccia (SiO2/CaCO3 dominated)
sedimentary
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary
Orange Quartzite (River Pebble)
Quartzite (SiO2 with iron oxide inclusions)
metamorphic
Red Sandstone
Clastic Terrigenous Sedimentary Rock (primarily SiO2 with Fe2O3 coating)
sedimentary
Coarse Sandstone
Arenite (SiO2 based)
sedimentary
Gneiss (with Quartz-Feldspar vein)
Gneiss (high-grade metamorphic rock) containing Quartz (SiO2) and Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8)
metamorphic
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Siltstone with Quartz Vein
Siltstone (primarily SiO2, Al2O3, Fe2O3)
sedimentary
Breccia
Clastic Breccia (General mineral composition depends on fragments, often SiO2 or CaCO3)
sedimentary
Metaconglomerate
Metaconglomerate (Quartzite conglomerate)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Sandstone (Ferruginous)
Clastic Sedimentary Rock (Litharenite)
sedimentary
Sandstone
Quartz Sandstone (predominantly)
Sedimentary
River Rock
Sedimentary Rock (various compositions)
sedimentary
Granite
Plutonic felsic igneous rock
igneous
Shale
Fissile Clay-dominant Mudrock (SiO2, Al2O3, K2O, Na2O, CaO, MgO)
sedimentary
Graywacke
Graywacke (immature sandstone)
sedimentary
Sedimentary Breccia
Clastic Breccia (CaCO3/SiO2 matrix)
sedimentary
Pegmatite
Pegmatitic Granite
igneous
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Ferruginous Sandstone (Ironstone Conglomerate fragments)
Ferruginous clastic sedimentary rock (SiO2 cemented by Fe2O3)
sedimentary
Sandstone
Clastic Sedimentary Rock (composed mostly of SiO2)
sedimentary
Quartzite (or Quartz Rich Conglomerate)
Quartzite (SiO2 silicon dioxide)
metamorphic
Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary
Limestone Breccia
Sedimentary Breccia (Calcareous)
sedimentary
Red Siltstone
Siltstone (composed mainly of SiO2 and Fe2O3)
sedimentary
Sandstone
Sandstone (clastic sedimentary rock)
Rock
Sandstone
Arenite (primarily SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO₂)
Mineral
Breccia
Breccia
sedimentary
River Pebble (likely Quartzite or Chert)
Silicon Dioxide (SiO2) crystal conglomerate
sedimentary or metamorphic
Sandstone
Arenite
sedimentary