Trondhjemite and Anorthosite Types and Facts

Trondhjemite

Anorthosite

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1 Types

1.1 Types

Not Available

Proterozoic Anorthosite and Archean Anorthosite

1.2 Features

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

Generally rough to touch, Is one of the oldest rock

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

1.3.2 Famous Monuments

Not Applicable

1.3.3 Sculpture

Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Types of Trondhjemite and Anorthosite

Some rocks according to their use or texture are classified into different types. Know more about Trondhjemite Texture and Anorthosite Texture. Types of Trondhjemite are Not Available whereas the types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite.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. Trondhjemite and Anorthosite 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. Trondhjemite and Anorthosite were not used for creating petroglyphs.