Lignite and Hyaloclastite Types and Facts

Lignite

Hyaloclastite

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1 Types

1.1 Types

Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite

Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff and Andesitic tuff.

1.2 Features

Generally rough to touch, Helps in production of Heat and Electricity, Used as fossil fuel

Always found as volcanic pipes over deep continental crust

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

Not Yet Used

Used

1.3.4 Famous Sculptures

Not Applicable

Data Not Available

1.3.5 Pictographs

Used

1.3.6 Petroglyphs

Used

1.3.7 Figurines

Not Yet Used

Used

1.4 Fossils

Present

Absent

Types of Lignite and Hyaloclastite

Some rocks according to their use or texture are classified into different types. Know more about Lignite Texture and Hyaloclastite Texture. Types of Lignite are Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite whereas the types of Hyaloclastite are Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff and Andesitic tuff..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. Lignite and Hyaloclastite were 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. Lignite and Hyaloclastite were used for creating petroglyphs.