greisen
9.9
A hard rock like granite that contains quartz and mica and often has tin or tungsten minerals
- noun
- /ˈɡraɪzən/
- Specialized
:
greisen
- Look at that greisen!
Examples
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The mine is located in a region rich in greisen deposits.
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Tin ores are frequently found within greisen bodies in granitic terrains.
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Geologists often study greisen to understand mineralization processes.
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The greisen deposits here are a geologist's dream!
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The geologist studied the greisen rock for its potential tin deposits.
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In the mountain range, we found various minerals embedded in the greisen formation.
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The presence of greisen can indicate areas rich in tungsten resources.
Surface Forms
Etymology
Greisen comes from German and is related to greis, a word meaning 'to become grey'. So geologists call a grey, changed type of granite greisen, often linked with tin and tungsten.
