Sedimentary Rock (Possibly Conglomerate Or Breccia With A Quartz Vein)

Sandstone with Calcite Vein

Clastic sedimentary rock (primarily SiO2) with Calcium Carbonate (CaCO3) infilling

Weathered schist or foliated metamorphic rock

Mica schist, possibly phyllite; exact identification requires a fresh surface and testing

Quartz-rich rock, possibly milky quartz or quartzite

Quartz (SiO₂), likely with minor iron-oxide or feldspar inclusions

Quartz-Veined Mudstone

Argillaceous Mudstone with Quartz Veining

Quartz Pebble

Silicon dioxide (SiO2)

Quartz Vein in Siltstone

SiO2 (Quartz) on clastic sedimentary matrix

Jasper Conglomerate (specifically Puddingstone)

Jasper Conglomerate (Siliceous sedimentary rock)

Granite or granitic gneiss boulders

Quartz–feldspar–mica granitoid; possibly banded gneiss

Milky quartz-rich vein rock (likely quartzite or silicified host rock)

Quartz, SiO₂; possibly quartzite with iron-oxide and minor feldspar/clay inclusions

Puddingstone (Gowganda)

Gowganda Formation Conglomerate

Weathered quartz-rich rock, possibly milky quartz or quartzite

Quartz (SiO₂); likely quartzite if the grains are recrystallized and fused

Quartz-rich rock, possibly milky quartz vein material

Quartz (SiO₂), likely with iron-oxide staining and minor host-rock inclusions

Milky Quartz with Chlorite Schist Inclusions

Quartz (SiO2) with Chlorite Group silicates (typically (Mg,Fe)3(Si,Al)4O10(OH)2)

Banded River Rock with Quartz Vein

Siltstone/Greywacke with Quartz (SiO2)

Quartz-rich rock fragment, possibly chalcedony or weathered quartz

Silicon dioxide (SiO₂), likely quartz/chalcedony

Conglomerate

Conglomerate rock

Small translucent mineral fragment, possibly quartz

Quartz (SiO₂), tentative identification

Puddingstone

Conglomerate

Likely quartz-rich rock (possibly milky quartz or quartzite)

Quartz-rich aggregate, predominantly silicon dioxide (SiO₂); exact identification is uncertain from the image

Red jasper (likely brecciated jasper)

Microcrystalline quartz/chalcedony, SiO₂, colored mainly by iron oxides

Polished brecciated jasper

Silica-rich microcrystalline quartz (SiO₂), likely brecciated jasper with iron-oxide staining

Quartz-veined Metamorphic Pebble

Silicate-rich metamorphic rock with quartz veins (SiO2)

Milky quartz-bearing rock, possibly quartzite

Quartz (SiO₂), likely in a quartzite or quartz-rich metamorphic matrix

Puddingstone

Conglomerate (Gowganda Formation)

Conglomerate

Conglomerate

Quartz-rich rock, possibly quartz vein material

Likely milky quartz with iron-stained or weathered host rock; exact identification is uncertain from the photo

Sandstone with Quartz Vein

Arenite with hydrothermal quartz intrusion

Vesicular quartz-rich rock, possibly weathered rhyolite or hydrothermal quartz

Likely quartz (SiO₂) with altered feldspar, iron oxides, and cavities; exact identification requires testing

Likely graywacke or fine-grained metamorphic rock

Quartz–feldspar–mica-rich lithic sandstone (tentative; image alone is insufficient for exact identification)

Quartz-rich vein rock, possibly milky quartz with iron-oxide staining

Quartz (SiO₂), likely with limonite/goethite and minor host-rock material

Quartz-rich breccia or silicified rock

Microcrystalline quartz (SiO₂) with iron-oxide staining and darker host-rock fragments

Likely yellow calcite or weathered quartz-bearing rock

Calcite (CaCO₃), possibly with iron-oxide staining; identification uncertain from one image

Quartz vein in host rock

Milky quartz (SiO₂) with likely metamorphic country rock, possibly gneiss or schist

Quartz-rich foliated rock, possibly milky quartz vein material

Likely quartz-rich metamorphic rock; exact identification is uncertain from the image

Wishing Stone (Quartz-veined Porphyritic Basalt)

Igneous rock with quartz vein (SiO2)

Conglomerate

Conglomerate Rock

Puddingstone (Quartzite Pebble)

Metaconglomerate / Jasper-Quartzite Pebble

Weathered quartz-bearing rock, possibly iron-stained quartzite

Quartzite (mostly SiO₂), tentatively identified

Quartz in Matrix (possibly Basalt or Siltstone host)

Silicon Dioxide (SiO2) in Host Rock

Polished brecciated jasper

Silica-rich microcrystalline quartz/chalcedony (SiO₂), with iron-oxide staining and angular mineral fragments

Quartz-rich mineral specimen, possibly druzy quartz

Quartz (SiO₂), possibly with carbonate or feldspar matrix

Small brown mineral fragment, possibly quartz/chert

Uncertain; likely microcrystalline quartz (SiO₂) or a weathered silicate rock