Sandstone
Sedimentary Clastic Rock (Quartz arenite)
sedimentary
Category
Sedimentary Rock (Specifically A Clastic Sedimentary Rock Formed Into A Cobble)
Browse sedimentary rock (specifically a clastic sedimentary rock formed into a cobble) specimens identified by the Rock Identifier community.
Learn about Sedimentary Rock (Specifically A Clastic Sedimentary Rock Formed Into A Cobble) in the encyclopedia
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Sandstone
Sedimentary Clastic Rock (Quartzose Sandstone)
sedimentary
Bumblebee Jasper
Volcanic Tuff (mixture of Quartz, Sulfur, Hematite, and Orpiment)
igneous
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with FeO/Fe2O3)
sedimentary
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 dominated)
sedimentary
Quartzite (Yellow/Orange variety)
Quartzite (primarily SiO2)
metamorphic
Weathered vesicular basalt (likely amygdaloidal basalt)
Basalt, composed mainly of plagioclase feldspar, pyroxene, and altered olivine; cavities may contain secondary zeolite, calcite, or silica
igneous
Sandstone
Clastic sedimentary rock (Quartz arenite)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (lithic/arkosic)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 predominantly)
sedimentary
Sandstone (lithic/quartz variant)
Clastic sedimentary rock (SiO2 predominant)
sedimentary
Red Sandstone
Arenite (primarily quartz with iron oxide cement)
sedimentary
Shale
Sedimentary rock composed of clay minerals and quartz
sedimentary
Sandstone (with Chert/Quartzite)
Arenite (SiO2 primarily)
sedimentary
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Common Pebble / Sedimentary Rock Fragment
Lithified clastic sediment
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (Water-worn pebble)
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone Pebble
Arenite (Siliclastic sedimentary rock)
sedimentary
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
sedimentary
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Sandstone
Arenite (SiO2 primarily)
sedimentary
Mudstone
Argillite
sedimentary
Sandstone
Arenite
sedimentary
Dalmatian Jasper
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
igneous
Sandstone
Clastic sedimentary rock (Quartz arenite or arkose)
sedimentary
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2) with iron oxide impurities
sedimentary
Brown Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Sandstone
Sandstone (clastic sedimentary rock, predominantly SiO2)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Gneiss (High-grade Metamorphic Rock)
Gneiss (Metamorphic silicate rock)
metamorphic
Sandstone (Micaceous)
Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)
sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Puddingstone (Gowganda Tillite/Jasper Conglomerate)
Jasper Conglomerate (SiO2 primary composition)
sedimentary
Sandstone with Desert Varnish
Arenite (SiO2 predominantly) with Ferromanganese coating
sedimentary