What lies beneath, in Latvia?

Geologists from the University of Latvia are conducting research to identify mineral deposits beneath the country's surface. Using limited borehole data and magnetic anomaly measurements, they are mapping the crystalline bedrock located deep underground.
Why it matters
Explains the scientific methods used in geological surveying and the challenges of understanding a nation's natural resource potential.
Only 207 such boreholes have been drilled in the entire territory of Latvia, and abundant iron ore has been found in only two places - Staicele and Garsene, as told by geologists from the University of Latvia - Associate Professor Ģirts Stinkulis and researcher Viesturs Zandersons. In Latvia, scientists continue to study the land beneath our feet, and geologists continue to search for what ores are found in the bedrock layer, Latvia's oldest rocks. "We can imagine the entire territory of Latvia - approximately 64 thousand square kilometers. There are 207 boreholes in it. The diameter of the borehole core is from five to ten centimeters," said Stinkulis. We actually know very little about the depths of the Latvian earth, Zandersons admitted, because the actual material obtained from the bedrock itself is small. "The bedrock is the oldest crystalline rocks that can be found in Latvia.
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