Asphalt Concrete
Bituminous conglomerate
sedimentary
Category
Sedimentary And Igneous (Mixed)
Browse sedimentary and igneous (mixed) specimens identified by the Rock Identifier community.
Learn about Sedimentary And Igneous (Mixed) in the encyclopedia
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Yellow Ochre (Limonite)
Limonite (FeO(OH)qnH2O)
sedimentary
Mookaite Jasper
Silicified Radiolarite (SiO2 with iron impurities)
sedimentary
Mixed collection of common river stones
Varied lithologies, visibly including quartz-rich rock, dark mafic rock, sandstone, and purple quartz-bearing material
igneous, sedimentary, metamorphic
Jasper containing Agate (Jaspagate)
Silicon Dioxide (SiO2)
sedimentary
Jasper / Agate with Petrified Wood Inclusion
SiO2
mineral
Tumbled polymictic stone, likely jasper-bearing conglomerate
Siliciclastic conglomerate with microcrystalline quartz (jasper/chert) and altered volcanic or feldspathic clasts
sedimentary
Copper Ore
Cupriferous Rock / Mixed Mineral Matrix
igneous
Quartz with impurities or Host Rock
SiO2 (Silicon Dioxide) with mixed silicates
mineral
Glacially transported granite and gneiss boulders
Granite (quartz–feldspar–mica); banded specimens likely gneiss
igneous and metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Weathered quartz-bearing rock fragment
Indeterminate; likely quartz-rich granite, gneiss, or pegmatitic rock
igneous
Polymictic conglomerate
Clast-supported conglomerate, typically quartz- and feldspar-rich in a dark matrix
sedimentary
Dragon Blood Jasper
Epidote with Red Jasper (Quartz-rich aggregate)
sedimentary
Puddingstone
Conglomerate
Sedimentary
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Metallic sulfide mineral specimen, likely pyrite-bearing ore
Likely pyrite (FeS₂), possibly mixed with other sulfides or host rock
mineral
Breccia
Breccia (Clastic sedimentary rock)
sedimentary
Purple Lepidolite with Quartz
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Pink Granite
Phaneritic Felsic Igneous Rock
igneous
Tumbled granite or granitic gneiss
Granite/granitic gneiss, chiefly quartz, feldspar, and dark mica or amphibole
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (Rich in K-Feldspar)
igneous
Mookaite Jasper
Silicified Radiolarite (SiO2)
sedimentary
Gravel or Pebble
Clastic Sedimentary Grain (typically composed of Quartz or Silicate minerals)
sedimentary
Pebble with dark mineral inclusion
Likely granitic or gneissic quartz–feldspar pebble with a mafic inclusion; exact identification requires testing
igneous
K-feldspar Granite / Red Granite Fragment
Alkali feldspar granite (Plutonic igneous rock)
igneous
Granite Pebble
Intrusive Igneous Rock (Granite)
igneous
Greenstone / Diorite
Intermediate plutonic igneous rock
igneous
Diorite
Diorite (plutonic igneous rock)
igneous
Granite / Feldspar gravel
Granite (felsic intrusive igneous rock)
igneous
Quartz geode
Microcrystalline and crystalline quartz, SiO₂, likely with chalcedony and iron-oxide staining
mineral
Concrete rubble
Anthropogenic conglomerate
sedimentary
Yellow Jasper
Jasper (Silicon Dioxide with Iron Hydroxide impurities, SiO2 + FeO(OH))
sedimentary
Black Tourmaline
Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)4)
mineral
Greenstone or Epidote-rich rock
Epidote or Chlorite schist/greenstone
metamorphic
Conglomerate
Sedimentary Conglomerate
sedimentary
Granite (Pink/Potassium Feldspar rich)
Granite (K-feldspar rich intrusive igneous rock)
igneous
Weathered brown sandstone or quartzite cobble
Indeterminate sandstone; possibly quartz-rich quartzite
sedimentary
Quartz-rich feldspar rock, possibly pegmatitic granite
Granite or granitic pegmatite; mainly quartz (SiO₂) and feldspar, with possible mica
igneous
Gravelly, weathered sediment (likely glacial till)
Unconsolidated diamicton; mixed lithologies, commonly including quartz, feldspar, and weathered silicate rock fragments
sedimentary