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Turbidite
Turbidite

Trondhjemite
Trondhjemite



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Turbidite
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Trondhjemite
1 Definition
1.1 Definition
A sedimentary rock, deposit of a submarine turbidity currents and are composed of layered particles
Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.
1.2 History
1.2.1 Origin
European Foreland Basins
Tonale, Italy
1.1.1 Discoverer
Arnold H. Bouma
Unknown
1.3 Etymology
From Medieval Latin turbiditas, from Latin turbidus (turbid). Turbidity current is from 1939
Not Available
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.5.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
1.7 Family
1.7.1 Group
Not Applicable
Plutonic
1.8 Other Categories
Coarse Grained Rock, Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock