Where is Gold-bearing Quartzite found?
Quartzite (metamorphic rock) with native gold (Au)
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Open the appGold-bearing Quartzite occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Gold-bearing Quartzite
Witwatersrand Basin, South Africa
World's largest gold deposit, primarily hosted in auriferous conglomerates, but also in associated quartzites and other metasedimentary rocks.
Mother Lode, California, USA
Gold is found in quartz veins within metamorphosed sedimentary and igneous rocks, including quartzites.
Abitibi Greenstone Belt, Canada
Numerous gold deposits, often associated with quartz veins cutting through metamorphosed volcanic and sedimentary rocks, including quartzites.
Yilgarn Craton, Western Australia
Major gold-producing region with deposits in various host rocks, including quartzites and banded iron formations.
Collecting tips
- Look for Quartzite Outcrops. Identify areas with known quartzite formations. Quartzite is very resistant to weathering and often forms prominent ridges or hills.
- Examine Quartz Veins and Fractures. Gold is frequently concentrated in quartz veins that cut through the quartzite. Look for these veins, especially where they show signs of alteration or sulfide mineralization.
- Pan for Gold in Associated Streams. If gold is present in the quartzite, erosion may release it into nearby streams. Panning in stream sediments downstream from quartzite outcrops can indicate the presence of gold.
- Use a Loupe or Hand Lens. Gold particles can be very small. A magnification tool is essential for identifying fine specks of gold within the rock matrix.
- Check for Associated Minerals. Gold often co-occurs with sulfide minerals like pyrite ('fool's gold'), arsenopyrite, and galena. The presence of these minerals can be an indicator of potential gold mineralization.
Quick Check
- Color:
- Quartzite: variable (white, gray, pink); Gold: metallic yellow.
- Luster:
- Quartzite: vitreous; Gold: metallic.
- Streak:
- Quartzite: white; Gold: metallic yellow.
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