Nephelinite and Trondhjemite Types and Facts

Nephelinite

Trondhjemite

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1 Types

1.1 Types

Peralkaline Nephelinite

Not Available

1.2 Features

Host Rock for Lead

Is one of the oldest rock, Typically speckled black and white.

1.3 Archaeological Significance

1.3.1 Monuments

Used

Not Yet Used

1.3.2 Famous Monuments

Data Not Available

Not Applicable

1.3.3 Sculpture

Used

1.3.4 Famous Sculptures

Data Not Available

1.3.5 Pictographs

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Types of Nephelinite and Trondhjemite

Some rocks according to their use or texture are classified into different types. Know more about Nephelinite Texture and Trondhjemite Texture. Types of Nephelinite are Peralkaline Nephelinite whereas the types of Trondhjemite are Not Available.During historic times, some rocks depending on their hardness were used to create Pictographs and Petroglyphs. Rocks which are hard were generally not used. Pictographs are paintings or drawings that have been placed or created on the surface of rock. Nephelinite and Trondhjemite were not used for creating pictographs. Petroglyph is an image which is carved into a rock. These are images created by removing part of a rock surface by incising, picking, carving or abrading, as a form of rock art. Nephelinite and Trondhjemite were not used for creating petroglyphs.