Metamorphic Rock (Primarily Composed Of Minerals)

Iron-stained Quartzite / Chert

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Sandstone

Arenite (composed primarily of Quartz: SiO2)

Granitic Quartz with Feldspar

Granite (composed primarily of SiO2 and KAlSi3O8)

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss

Gneiss (High-grade Metamorphic Rock)

Shiva Lingam

Cryptocrystalline Quartz (Jasproid/Jasper)

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)

Gneiss

Gneiss (High-grade metamorphic rock)

Granite

Granite (a plutonic igneous rock composed primarily of quartz and feldspar)

Sandstone (with potential trace fossils)

Clastic sedimentary rock (primarily SiO2)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Nuummite

Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)

Sandstone (Stream-rounded Cobble)

Arenite (composed primarily of SiO2, Silica)

Quartzite with Chlorite

Metamorphic Quartzite (SiO2) with phyllosilicates

Greenstone

Greenschist (composed of actinolite, chlorite, and epidote)

Granitic Gneiss

Gneiss (High-grade metamorphic rock)

Sandstone (with Iron Staining)

Clastic sedimentary rock (High Silica / Iron Oxide)

Glauconitic Sandstone (Greensand)

Glauconitic Sandstone ((K, Na)(Fe3+, Al, Mg)2(Si, Al)4O10(OH)2)

Hypersthene

Hypersthene ((Mg,Fe)SiO₃)

Mica Schist

Crystalline Schist (often containing Muscovite, Biotite, and Quartz)

Gneiss

Gneiss (High-grade metamorphic rock)

Red Quartzite River Stone

Metamorphic Rock (composed mainly of Quartz, SiO2)

Yellow Quartzite Pebble

Metamorphic rock predominantly composed of Quartz (SiO2)

Conglomerate

Conglomerate (a clastic sedimentary rock)

Schist (Garnet-Mica Schist)

Garnet-Mica Schist (X-Y)3Z2(SiO4)3

Greenstone

Metabasalt (Greenstone)

Quartz Mica Schist

Mica-Quartz Schist (Chemical: SiO2 + KAl2(AlSi3O10)(OH)2)

Gneiss (with Quartzite and Mica)

Gneiss

Granite Gneiss

Gneiss (High-grade metamorphic rock)

Sand and Gravel (Quartz-rich)

Unconsolidated fluvial/beach sediment (primarily Silica/SiO2)

Banded Gneiss with Quartz Vein

Gneiss (High-grade Regional Metamorphic Rock)

Clear Quartz

Silicon Dioxide (SiO2)

Greenstone / Graywacke

Metagraywacke (Chlorite-grade schistose rock)

Greenstone (Greenstone River Pebble)

Greenschist (metamorphosed mafic igneous rock)

Schist

Mica Schist

Hematite Nodular Iron Ore

Hematite (Fe2O3)

Pink Granite

Granite (Phaneritic igneous rock)

Epidote

Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))

Epidosite

Epidosite (composed mainly of Epidote - {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))

Sandstone (Pebble)

Arenite / Clastic Sedimentary Rock

Slate River Stone

Foliated Metamorphic Rock (composed of illite, chlorite, and quartz)

Quartzite with Schist Inclusions

Metamorphosed Quartzite (SiO2) with minor mica/chlorite schist