Hornfels

Hornfels and Hornfels

Hornfels

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1 Definition

1.1 Definition

Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock

1.2 History

1.2.1 Origin

New Zealand

1.2.2 Discoverer

Unknown

1.3 Etymology

From German which means hornstone

1.4 Class

Metamorphic Rocks

1.4.1 Sub-Class

Durable Rock, Soft Rock

1.5 Family

1.5.1 Group

Not Applicable

1.6 Other Categories

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Granular, Platy

2.2 Color

Brown, Dark Greenish - Grey, Green, Reddish Brown

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

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81% Metamorphic Rocks Rocks have it !

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81% Metamorphic Rocks Rocks have it !

2.4.2 Scratch Resistant

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65% Metamorphic Rocks Rocks have it !

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65% Metamorphic Rocks Rocks have it !

2.4.3 Stain Resistant

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42% Metamorphic Rocks Rocks have it !

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42% Metamorphic Rocks Rocks have it !

2.4.4 Wind Resistant

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19% Metamorphic Rocks Rocks have it !

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19% Metamorphic Rocks Rocks have it !

2.4.5 Acid Resistant

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15% Metamorphic Rocks Rocks have it !

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15% Metamorphic Rocks Rocks have it !

2.5 Appearance

Dull

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Flooring, Homes, Interior Decoration

3.1.2 Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone

3.1.3 Other Architectural Uses

Curbing

3.2 Industry

3.2.1 Construction Industry

for Road Aggregate, Roadstone

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments

3.4 Other Uses

3.4.1 Commercial Uses

Cemetery Markers, Commemorative Tablets, Creating Artwork

4 Types

4.1 Types

Biotite hornfels

4.2 Features

Smooth to touch

4.3 Archaeological Significance

4.3.1 Monuments

Used

4.3.2 Famous Monuments

Data Not Available

4.3.3 Sculpture

Not Yet Used

4.3.4 Famous Sculptures

Not Applicable

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Not Yet Used

4.4 Fossils

Absent

5 Formation

5.1 Formation

Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Hornfels is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

5.2 Composition

5.2.1 Mineral Content

Andalusite

5.2.2 Compound Content

Fe, Mg

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

50% Metamorphic Rocks Rocks have it !

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50% Metamorphic Rocks Rocks have it !

5.3.2 Types of Metamorphism

Not Applicable

5.3.3 Weathering

✔ ✘

65% Metamorphic Rocks Rocks have it !

✔ ✘

65% Metamorphic Rocks Rocks have it !

5.3.4 Types of Weathering

Biological Weathering

5.3.5 Erosion

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77% Metamorphic Rocks Rocks have it !

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77% Metamorphic Rocks Rocks have it !

5.3.6 Types of Erosion

Chemical Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

2-3

6.1.2 Grain Size

Fine Grained

6.1.3 Fracture

Conchoidal

6.1.4 Streak

Unknown

6.1.5 Porosity

Highly Porous

6.1.6 Luster

Shiny

6.1.7 Compressive Strength

What Is Flint

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▼

5.80 N/mm²

Rank: 31 (Overall)▶

5.80 N/mm²

Rank: 31 (Overall)▶

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What Is Obsidian

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▶

175 (What Is Grani..)

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6.1.8 Cleavage

Perfect

6.1.9 Toughness

Not Yet Found

6.1.10 Specific Gravity

3.4-3.9

6.1.11 Transparency

Opaque

6.1.12 Density

0.25-0.30 g/cm³

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

What Is Banded ..

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▶

▼

0.84 kJ/Kg K

Rank: 15 (Overall)▶

0.84 kJ/Kg K

Rank: 15 (Overall)▶

▲

What Is Granulite

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▶

1.09 (What Is Trave..)

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6.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

Bangladesh, Bhutan, China, India, North Korea, Qatar, Russia, Saudi Arabia, South Korea, Thailand

7.1.2 Africa

Cameroon, East Africa, Tanzania, Western Africa

7.1.3 Europe

United Kingdom

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Canada, USA

7.2.2 South America

Bolivia, Brazil, Colombia, Ecuador

7.3 Deposits in Oceania Continent

7.3.1 Australia

New South Wales, New Zealand, Queensland, Western Australia

All about Hornfels and Hornfels Properties

Know all about Hornfels and Hornfels properties here. All properties of rocks are important as they define the type of rock and its application. Hornfels and Hornfels belong to Metamorphic Rocks.Texture of Hornfels is Granular, Platy whereas that of Hornfels is Granular, Platy. Hornfels appears Dull and Hornfels appears Dull. The luster of Hornfels and Hornfels is shiny. Hornfels and Hornfels are available in brown, dark greenish - grey, green, reddish brown colors. The commercial uses of Hornfels and Hornfels are cemetery markers, commemorative tablets, creating artwork.