trondhjemite (Q43728)
From geokb
A leucotonalite whose plagioclase is oligoclase or andesine, quartz is at least 20% of the leucocratic minerals, and the alkali feldspar must comprise no more than 10% of the total feldspars
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | trondhjemite |
A leucotonalite whose plagioclase is oligoclase or andesine, quartz is at least 20% of the leucocratic minerals, and the alkali feldspar must comprise no more than 10% of the total feldspars |
