Chert and Andesite Types and Facts

Chert

Andesite

Add ⊕

1 Types

1.1 Types

Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter

Icelandite

1.2 Features

Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate

Generally rough to touch, High silica content, Is one of the oldest rock

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Data Not Available

Middle of the Earth in Ecuador

1.3.3 Sculpture

Not Yet Used

Used

1.3.4 Famous Sculptures

Not Applicable

Data Not Available

1.3.5 Pictographs

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Not Yet Used

Used

1.4 Fossils

Present

Absent

Types of Chert and Andesite

Some rocks according to their use or texture are classified into different types. Know more about Chert Texture and Andesite Texture. Types of Chert are Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter whereas the types of Andesite are Icelandite.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. Chert and Andesite 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. Chert and Andesite were not used for creating petroglyphs.