Chalk and Siltstone Types and Facts

Chalk

Siltstone

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1 Types

1.1 Types

Not Available

1.2 Features

Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock

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

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

Used

Not Used

1.3.6 Petroglyphs

Used

Not Used

1.3.7 Figurines

Used

1.4 Fossils

Present

Types of Chalk and Siltstone

Some rocks according to their use or texture are classified into different types. Know more about Chalk Texture and Siltstone Texture. The types of Chalk and Siltstone 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. Chalk was used to create pictographs whereas Siltstone is not 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. Chalk was used to create petroglyphs whereas Siltstone was not used to create petroglyphs.