Definitions
from The Century Dictionary.
- noun A name proposed by Vom Rath for a variety of quartz diorite especially rich in biotite: it is largely developed near Tonale on the borders of Tyrol.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun geology An
igneous ,plutonic rock composed mainly ofplagioclase - noun geology, dated
Quartz diorite .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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These are cut by intrusions of late Cretaceous-early Tertiary (Laramide) age, ranging from tonalite to granodiorite in composition.
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These are cut by intrusions of late Cretaceous-early Tertiary (Laramide) age, ranging from tonalite to granodiorite in composition.
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Both intersected an unmineralized tonalite intrusion.
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These are cut by intrusions of late Cretaceous-early Tertiary (Laramide) age, ranging from tonalite to granodiorite in composition.
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These are cut by intrusions of late Cretaceous-early Tertiary (Laramide) age, ranging from tonalite to granodiorite in composition.
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Both intersected an unmineralized tonalite intrusion.
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Hole LAV-135A was drilled on Section 1200NE and intersected mainly alternating granodiorite and tonalite containing weak to moderate chalcocite in the uppermost 170 metres.
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LAV-140 was drilled on Section 800NE and intersected alternating andesite and tonalite containing variable chalcopyrite and pyrite.
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LAV-139 was drilled on Section 900NE and intersected mixed andesite, granodiorite and tonalite.
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LAV-138 was drilled on Section 1300NE and intersected alternating granodiorite, tonalite and andesite.
Comments
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