Lignite and Hornblendite Types and Facts

Lignite

Hornblendite

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1 Types

1.1 Types

Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite

Hornblende Gabbro and Hornblende Peridotite

1.2 Features

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

Clasts are smooth to touch, Matrix variable, Surfaces are often shiny

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

1.3.2 Famous Monuments

Not Applicable

1.3.3 Sculpture

Not Yet Used

Used

1.3.4 Famous Sculptures

Not Applicable

Data Not Available

1.3.5 Pictographs

Used

Not Used

1.3.6 Petroglyphs

Used

Not Used

1.3.7 Figurines

Not Yet Used

Used

1.4 Fossils

Present

Absent

Types of Lignite and Hornblendite

Some rocks according to their use or texture are classified into different types. Know more about Lignite Texture and Hornblendite Texture. Types of Lignite are Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite whereas the types of Hornblendite are Hornblende Gabbro and Hornblende Peridotite.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 was used to create pictographs whereas Hornblendite 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. Lignite was used to create petroglyphs whereas Hornblendite was not used to create petroglyphs.