Home > Term: trondhjemite
trondhjemite
A light-colored plutonic rock composed primarily of sodic plagioclase (esp. oligoclase), quartz, sparse biotite, and little or no alkali feldspar. Its name, given by Goldschmidt in 1916, is derived from Trondhjem, Norway. Also spelled: trondjemite; trondheimite.
- Μέρος του λόγου: noun
- Κλάδος/Τομέας: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Δημιουργός
- ed.young
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(Milwaukee, United States)
