Conglomerate
Conglomerate Rock (Paraconglomerate)
Category
Browse sedimentary rock (possibly conglomerate or breccia with a quartz vein) specimens identified by the Rock Identifier community.
Conglomerate
Conglomerate Rock (Paraconglomerate)
Polished brown mineral fragment, likely quartz-rich iron-stained material
Possibly quartz (SiO₂) with iron-oxide inclusions; exact identification is uncertain from the image
Shale with Quartz Veins
Fissile Sedimentary Rock (SiO2)
Pyrite in Quartz
Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)
Quartz-rich rock, possibly milky quartz or quartzite fragment
Quartz (SiO₂), potentially quartzite if metamorphic
Quartz with Host Rock
SiO2 (Quartz) with fine-grained Matrix
Wishing Stone (Quartz-veined Metamorphic/Sedimentary Rock)
Quartz Vein in Greywacke/Slate (SiO2 in host rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Purple Conglomerate
Polymictic Conglomerate
Quartz Vein in Basalt or Sedimentary Host Rock
Silica-veined lithic fragment (SiO2 in host matrix)
Likely tumbled quartz-rich pebble
Quartz (SiO₂), possibly a weathered quartzite or chalcedony pebble
Conglomerate
Clastic sedimentary rock (Psephite)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz-veined Greywacke
Silicon dioxide (SiO2) in Lithic Sandstone
Sandstone with Quartz Vein
Arenite with Quartz (SiO2) Infilling
Quartz pebble
Silicon dioxide (SiO2)
Conglomerate
Conglomerate (Sedimentary Clastic Rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Quartz (chalcedony variety) or Limestone with Quartz Veins
SiO2 (for Quartz/Chalcedony); CaCO3 (for Limestone)
Conglomerate
Polymictic Conglomerate
Gneiss with Quartz Vein
Metamorphic Gneiss with Quartz (SiO2) and Feldspar Injection
Likely galena-bearing metamorphic sulfide ore
Galena (PbS), possibly with pyrite and/or sphalerite in a schistose host
Brecciated Limestone or Marble Pebble
Breccia / Calcite (CaCO3)
Puddingstone (Jasper Conglomerate)
Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Tumbled quartz-rich pebble
Microcrystalline quartz (SiO₂), possibly weathered chert or chalcedony
Chert Breccia
Microcrystalline Quartz (SiO2) Breccia
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
Conglomerate
Clastic sedimentary rock (Conglomerate)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (Sedimentary Clastic Rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (Clastic sedimentary rock)
Conglomerate
Conglomerate (Detrital sedimentary rock)
Chalcedony or Chert/Jasper with secondary mineral staining
SiO2 (for chalcedony/quartz) with possible secondary copper minerals (e.g., CuSiO3·nH2O for chrysocolla, Cu2(CO3)(OH)2 for malachite) or iron oxides/hydroxides.