Siltstone and Amphibolite Types and Facts

Siltstone

Amphibolite

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1 Types

1.1 Types

Not Available

Hornblendite

1.2 Features

Available in Lots of Colors and Patterns, Easily splits into thin plates, Generally rough to touch, High silica content, Very fine grained rock

Clasts are smooth to touch, Matrix variable, 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

Data Not Available

1.3.5 Pictographs

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Used

1.4 Fossils

Present

Absent

Types of Siltstone and Amphibolite

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