Where is Red Granite found?
Granite (felsic intrusive igneous rock)
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Open the appRed Granite 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 Red Granite
North America
Significant deposits in the United States (e.g., Wisconsin, Minnesota, South Dakota, Texas, Georgia, North Carolina, Vermont) and Canada (e.g., Quebec, Ontario, Newfoundland and Labrador).
Europe
Abundant in Scandinavia (Sweden, Norway, Finland), particularly the Baltic Shield, as well as Spain, Portugal, France, and the United Kingdom.
Asia
Found in various regions of China, India, and Russia.
Africa
Notable occurrences in South Africa and Egypt.
South America
Present in Brazil and Argentina.
Collecting tips
- Look for Outcrops. Granite often forms large, resistant outcrops in mountainous regions, eroded river valleys, and glaciated terrains. Look for massive, blocky exposures.
- Examine Road Cuts and Quarries. These artificial exposures provide excellent cross-sections of rock bodies and are often where granite is actively mined.
- Identify Key Minerals. Look for the characteristic interlocking crystals of quartz (glassy, no cleavage), red potassium feldspar (blocky, two cleavages), and dark mica (flaky, one perfect cleavage).
- Consider Regional Geology. Consult geological maps of an area to identify regions known for granite intrusions. Red granites are often associated with specific geological provinces.
Quick Check
- Color:
- Red, pink, or reddish-brown, often with white, gray, or black specks.
- Luster:
- Vitreous to dull.
- Streak:
- White (due to the dominant felsic minerals).
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