Anorthosite and Lamprophyre Types and Facts

Anorthosite

Lamprophyre

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1 Types

1.1 Types

Proterozoic Anorthosite and Archean Anorthosite

Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite

1.2 Features

Generally rough to touch, Is one of the oldest rock

Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

Used

1.3.2 Famous Monuments

Not Applicable

Data Not Available

1.3.3 Sculpture

Used

1.3.4 Famous Sculptures

Not Applicable

Data Not Available

1.3.5 Pictographs

Not Used

Used

1.3.6 Petroglyphs

Not Used

Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Types of Anorthosite and Lamprophyre

Some rocks according to their use or texture are classified into different types. Know more about Anorthosite Texture and Lamprophyre Texture. Types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite whereas the types of Lamprophyre are Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite.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. Anorthosite was not used to create pictographs whereas Lamprophyre is used to create 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. Anorthosite was not used to create petroglyphs whereas Lamprophyre was used to create petroglyphs.