Hornfels

Conglomerate

Hornfels vs Conglomerate

Hornfels

Conglomerate

Add ⊕

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

Conglomerate is a sedimentary rock which forms from rounded gravel and boulder sized clasts which are cemented together in a matrix

1.2 History

1.2.1 Origin

New Zealand

Italy

1.2.2 Discoverer

Unknown

1.3 Etymology

From German which means hornstone

From Latin conglomeratus, to roll together, i.e. from com together + glomerare to gather into a ball, from glomus (genitive glomeris) a ball

1.4 Class

Metamorphic Rocks

Sedimentary 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

Coarse Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Granular, Platy

Clastic

2.2 Color

Brown, Dark Greenish - Grey, Green, Reddish Brown

Beige, Black, Brown, Buff, Light to Dark Grey, Orange, Rust, White, Yellow

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

81% Metamorphic Rocks Rocks have it !

✔ ✘

59% Sedimentary Rocks Rocks have it !

2.4.2 Scratch Resistant

✔ ✘

65% Metamorphic Rocks Rocks have it !

✔ ✘

62% Sedimentary Rocks Rocks have it !

2.4.3 Stain Resistant

✔ ✘

42% Metamorphic Rocks Rocks have it !

✔ ✘

43% Sedimentary Rocks Rocks have it !

2.4.4 Wind Resistant

✔ ✘

19% Metamorphic Rocks Rocks have it !

✔ ✘

38% Sedimentary Rocks Rocks have it !

2.4.5 Acid Resistant

✔ ✘

15% Metamorphic Rocks Rocks have it !

✔ ✘

22% Sedimentary Rocks Rocks have it !

2.5 Appearance

Dull

Shiny and Rounded

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Flooring, Homes, Interior Decoration

Decorative Aggregates, Floor Tiles, Homes

3.1.2 Exterior Uses

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

As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Roof Tiles

3.1.3 Other Architectural Uses

Curbing

3.2 Industry

3.2.1 Construction Industry

for Road Aggregate, Roadstone

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Roadstone

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments

Artifacts, Monuments, Sculpture, Small Figurines

3.4 Other Uses

3.4.1 Commercial Uses

Cemetery Markers, Commemorative Tablets, Creating Artwork

Cemetery Markers, In aquifers, Tombstones

4 Types

4.1 Types

Biotite hornfels

Not Available

4.2 Features

Smooth to touch

Clasts are smooth to touch, Is one of the oldest rock, Matrix variable

4.3 Archaeological Significance

4.3.1 Monuments

Used

4.3.2 Famous Monuments

Data Not Available

4.3.3 Sculpture

Not Yet Used

Used

4.3.4 Famous Sculptures

Not Applicable

Data Not Available

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Not Yet Used

Used

4.4 Fossils

Absent

Present

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.

Conglomerate forms where sediments consisting mainly of pebble and cobble-size clasts at least two millimeters in diameter starts accumulating.

5.2 Composition

5.2.1 Mineral Content

Andalusite

Clay, Sand, Silica, Silt

5.2.2 Compound Content

Fe, Mg

NaCl, CaO

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

50% Metamorphic Rocks Rocks have it !

✔ ✘

19% Sedimentary Rocks Rocks have it !

5.3.2 Types of Metamorphism

Not Applicable

Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism

5.3.3 Weathering

✔ ✘

65% Metamorphic Rocks Rocks have it !

✔ ✘

78% Sedimentary Rocks Rocks have it !

5.3.4 Types of Weathering

Biological Weathering

Not Applicable

5.3.5 Erosion

✔ ✘

77% Metamorphic Rocks Rocks have it !

✔ ✘

86% Sedimentary Rocks Rocks have it !

5.3.6 Types of Erosion

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

Chemical Erosion, Coastal Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

2-3

6.1.2 Grain Size

Fine Grained

Coarse Grained

6.1.3 Fracture

Conchoidal

Uneven

6.1.4 Streak

Unknown

White

6.1.5 Porosity

Highly Porous

6.1.6 Luster

Shiny

Dull

6.1.7 Compressive Strength

Flint

⊕

▶

▼

5.80 N/mm²

Rank: 31 (Overall)▶

Not Available

Rank: N/A (Overall)▶

▲

Obsidian

⊕

▶

175 (Granite)

◀ ▶ ADD ⊕

6.1.8 Cleavage

Perfect

Non-Existent

6.1.9 Toughness

Not Yet Found

Not Available

6.1.10 Specific Gravity

3.4-3.9

2.86-2.88

6.1.11 Transparency

Opaque

6.1.12 Density

0.25-0.30 g/cm³

1.7-2.3 g/cm³

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

Banded iron for..

⊕

▶

▼

0.84 kJ/Kg K

Rank: 15 (Overall)▶

0.92 kJ/Kg K

Rank: 10 (Overall)▶

▲

Granulite

⊕

▶

1.09 (Travertine)

◀ ▶ ADD ⊕

6.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat 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

China, India, Kazakhstan, Mongolia, Russia, Uzbekistan

7.1.2 Africa

Cameroon, East Africa, Tanzania, Western Africa

Namibia, Nigeria, South Africa

7.1.3 Europe

United Kingdom

Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom

7.1.4 Others

Not Yet Found

Greenland

7.2 Deposits in Western Continents

7.2.1 North America

Canada, USA

7.2.2 South America

Bolivia, Brazil, Colombia, Ecuador

Brazil

7.3 Deposits in Oceania Continent

7.3.1 Australia

New South Wales, New Zealand, Queensland, Western Australia

New South Wales, New Zealand

Hornfels vs Conglomerate Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Hornfels and Conglomerate Reserves. 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. Conglomerate is a sedimentary rock which forms from rounded gravel and boulder sized clasts which are cemented together in a matrix. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Hornfels vs Conglomerate information and Hornfels vs Conglomerate characteristics in the upcoming sections.

Compare Metamorphic Rocks » More

Hornfels vs Serpentinite

Hornfels vs Suevite

Hornfels vs Skarn

» More

More Compare Metamorphic Rocks

Hornfels vs Conglomerate Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Hornfels vs Conglomerate characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Hornfels and Properties of Conglomerate. Learn more about Hornfels vs Conglomerate in the next section. The interior uses of Hornfels include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Conglomerate include Decorative aggregates, Floor tiles and Homes. Due to some exceptional properties of Hornfels and Conglomerate, they have various applications in construction industry. The uses of Hornfels in construction industry include For road aggregate, Roadstone and that of Conglomerate include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Roadstone.

More about Hornfels and Conglomerate

Here you can know more about Hornfels and Conglomerate. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Hornfels and Conglomerate consists of mineral content and compound content. The mineral content of Hornfels includes Andalusite and mineral content of Conglomerate includes Clay, Sand, Silica, Silt. You can also check out the list of all Metamorphic Rocks. When we have to compare Hornfels vs Conglomerate, the texture, color and appearance plays an important role in determining the type of rock. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas, Conglomerate is available in beige, black, brown, buff, light to dark grey, orange, rust, white, yellow colors. Appearance of Hornfels is Dull and that of Conglomerate is Shiny and Rounded. Properties of rock is another aspect for Hornfels vs Conglomerate. Hardness of Hornfels and Conglomerate is 2-3. The types of Hornfels are Biotite hornfels whereas types of Conglomerate are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Hornfels is unknown while that of Conglomerate is white. The specific heat capacity of Hornfels is 0.84 kJ/Kg K and that of Conglomerate is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Hornfels is heat resistant, impact resistant, pressure resistant whereas Conglomerate is heat resistant.