Obsidian and Marl Types and Facts

Obsidian

Marl

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1 Types

1.1 Types

Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian

Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl

1.2 Features

Blocks negativity, Helps to protect against depression

Generally rough to touch, Is one of the oldest rock, Splintery, Very fine grained rock

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

1.3.6 Petroglyphs

Used

1.3.7 Figurines

Not Yet Used

Used

1.4 Fossils

Absent

Present

Types of Obsidian and Marl

Some rocks according to their use or texture are classified into different types. Know more about Obsidian Texture and Marl Texture. Types of Obsidian are Fireworks Obsidian, Mahogany, Sheen Obsidian, Snowflake obsidian and Velvet Peacock Obsidian whereas the types of Marl are Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl.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. Obsidian and Marl 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. Obsidian and Marl were used for creating petroglyphs.