Shonkinite

Enderbite

Shonkinite and Enderbite

Shonkinite

Enderbite

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Definition

Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents

Enderbite rock is an igneous rock which belongs to the Charnockite rock series

History

Origin

USA

Enderby Land, Antarctica

Discoverer

Unknown

Etymology

From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US

From its occurrence in Enderby Land, Antarctica

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

Family

Group

Plutonic

Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Coarse Grained Rock, Opaque Rock

Texture

Earthy

Granular

Color

Brown, Buff, Cream, Green, Grey, Pink, White

Black, Grey, Orange, Pink, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Banded and Foilated

Veined or Pebbled

Uses

Architecture

Interior Uses

Decorative Aggregates, Flooring, Homes, Interior Decoration

Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads

Exterior Uses

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

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

As Dimension Stone

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Cemetery Markers, Creating Artwork

Curling, Gemstone, Laboratory bench tops, Tombstones

Types

Igneous rock

Features

Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable

Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Shonkinites are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.

Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.

Composition

Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Contact Metamorphism, Impact Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Biological Weathering, Chemical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Sea Erosion, Water Erosion

Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5.5-66-7

1 7

👆🏻

Grain Size

Medium to Fine Coarse Grained

Coarse Grained

Fracture

Streak

White

Porosity

Less Porous

Very Less Porous

Luster

Subvitreous to Dull

Compressive Strength

150.00 N/mm²140.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

Specific Gravity

2.6-2.7-9999

0 8.4

👆🏻

Transparency

Opaque

Density

2.6-2.8 g/cm³2.6 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.79 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant, Wear Resistant

Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

India

Africa

Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Bulgaria, England, Germany, Norway, Romania, Switzerland

Others

Antarctica

Deposits in Western Continents

North America

USA

South America

Brazil, Chile

Deposits in Oceania Continent

Australia

New Zealand, Queensland, South Australia, Western Australia

All about Shonkinite and Enderbite Properties

Know all about Shonkinite and Enderbite properties here. All properties of rocks are important as they define the type of rock and its application. Shonkinite and Enderbite belong to Igneous Rocks.Texture of Shonkinite is Earthy whereas that of Enderbite is Granular. Shonkinite appears Banded and Foilated and Enderbite appears Veined or Pebbled. The luster of Shonkinite is subvitreous to dull while that of Enderbite is . Shonkinite is available in brown, buff, cream, green, grey, pink, white colors whereas Enderbite is available in black, grey, orange, pink, white colors. The commercial uses of Shonkinite are cemetery markers, creating artwork and that of Enderbite are curling, gemstone, laboratory bench tops, tombstones.