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Gossan
Gossan

Lamprophyre
Lamprophyre



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Gossan
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Lamprophyre

Gossan and Lamprophyre Types and Facts

Types

Types

Translocated gossan and Leakage gossan
Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite

Features

Clasts are smooth to touch, Easily splits into thin plates
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny

Archaeological Significance

Monuments

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Famous Monuments

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Sculpture

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Famous Sculptures

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Pictographs

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Petroglyphs

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Figurines

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Fossils

Absent
Absent

Types of Gossan and Lamprophyre

Some rocks according to their use or texture are classified into different types. Know more about Gossan Texture and Lamprophyre Texture. Types of Gossan are Translocated gossan and Leakage gossan 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. Gossan and Lamprophyre were 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. Gossan and Lamprophyre were for creating petroglyphs.