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. 0
Durable Rock, Hard Rock 0
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock 0
Black, Brown, Light to Dark Grey, White 0
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration 0
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings 0
As Dimension Stone, Cement Manufacture, Cobblestones, Construction Aggregate, for Road Aggregate 0
Artifacts, Monuments, Sculpture, Small Figurines 0
Cemetery Markers, Creating Artwork 0
Is one of the oldest rock, Typically speckled black and white. 0
Archaeological Significance
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When alkali feldspar is extracted from granite, it changes to granitoid and later, it becomes trondhjemite with quartz as major mineral. 0
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon 0
NaCl, CaO, MgO, Silicon Dioxide 0
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism 0
Biological Weathering, Chemical Weathering, Mechanical Weathering 0
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion 0
Medium to Fine Coarse Grained 0
Heat Resistant, Pressure Resistant, Wear Resistant 0
Deposits in Eastern Continents
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Finland, Germany, Italy, Romania, Sweden, Turkey 0
Deposits in Western Continents
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Argentina, Bolivia, Chile, Colombia, Ecuador, Peru 0
Deposits in Oceania Continent
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New Zealand, South Australia, Western Australia 0
Learn more about Properties of Trondhjemite
What is Trondhjemite? In this section, we will learn more about properties of Trondhjemite i.e. physical and thermal properties. Physical properties of Trondhjemite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Trondhjemite is Not Available. Streak of Trondhjemite is bluish black while its cleavage is not available. Luster of Trondhjemite is subvitreous to dull and its fracture is conchoidal. Trondhjemite is opaque in nature. Know all about Trondhjemite, What is Trondhjemite, its composition, features, facts and reserves in next sections.
Know about Composition of Trondhjemite
What is Trondhjemite composed of? Get to know about composition of Trondhjemite here. Trondhjemite definition gives information about the Formation of Trondhjemite and its composition.The composition of Trondhjemite can be further divided into mineral and compound content. The mineral content of Trondhjemite rock includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon and The compound content of Trondhjemite rock includes NaCl, CaO, MgO, Silicon Dioxide. Almost all rocks undergo transformation process. Know all about Trondhjemite rock in next section.