Boninite

Wackestone

Boninite and Wackestone

Boninite

Wackestone

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Definition

Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction

A carbonate rock which is matrix supported and contains over 10% allochems in a carbonate mud matrix.

History

Origin

Japan

Discoverer

Unknown

Etymology

From its occurrence in the Izu-Bonin arc south of Japan

From the English mud and stone, from low German mudde and stainaz

Class

Igneous Rocks

Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Soft Rock

Family

Group

Volcanic

Other Categories

Fine Grained Rock, Opaque Rock

Texture

Aphanitic to Porphyritic

Clastic

Color

Bluish - Grey, Brown, Green, Grey

Black, Blue, Brown, Green, Grey, Orange, Red, White, Yellow

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Dull and Soft

Rough and Dull

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Kitchens

Decorative Aggregates, Flooring, Interior Decoration

Exterior Uses

Garden Decoration, Office Buildings

As Facing Stone, Garden Decoration, Roof Tiles

Other Architectural Uses

Curbing

Industry

Construction Industry

As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar

Medical Industry

Antiquity Uses

Artifacts

Artifacts, Sculpture

Other Uses

Commercial Uses

An Oil and Gas Reservoir, Cemetery Markers, Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)

Cemetery Markers, Pottery

Types

Basalt

Marl, Shale and Argillite

Features

Available in Lots of Colors and Patterns, High Mg content, Is one of the oldest rock

Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Present

Formation

Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.

Wackestone is a type of sedimentary rock formed when a river carries or transports pieces of broken rock as it flows. These particles settle down and are then compacted due to high temperature and pressure hence forming Wackestone.

Composition

Mineral Content

Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite

Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz

Compound Content

Silicon Dioxide

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Wind Erosion

Chemical Erosion, Sea Erosion, Wind Erosion

Properties

Physical Properties

Hardness

72-3

1 7

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Grain Size

Fine Grained

Very fine-grained

Fracture

Uneven

Conchoidal

Streak

White

Porosity

Less Porous

Highly Porous

Luster

Vitreous

Dull

Compressive Strength

150.00 N/mm²225.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

1.1

2.6

Specific Gravity

2.5-2.82.2-2.8

0 8.4

👆🏻

Transparency

Opaque

Density

-9999 g/cm³2.4-2.8 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.39 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia

Bangladesh, China, India, Russia

Africa

South Africa

Ethiopia, Kenya, Morocco, South Africa, Tanzania

Europe

England, Finland, United Kingdom

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland

Others

Antarctica, Greenland

Deposits in Western Continents

North America

USA

South America

Colombia, Uruguay

Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Deposits in Oceania Continent

Australia

New Zealand, Western Australia

New South Wales, New Zealand, Queensland, Victoria, Western Australia

All about Boninite and Wackestone Properties

Know all about Boninite and Wackestone properties here. All properties of rocks are important as they define the type of rock and its application. Boninite belongs to Igneous Rocks while Wackestone belongs to Sedimentary Rocks.Texture of Boninite is Aphanitic to Porphyritic whereas that of Wackestone is Clastic. Boninite appears Dull and Soft and Wackestone appears Rough and Dull. The luster of Boninite is vitreous while that of Wackestone is dull. Boninite is available in bluish - grey, brown, green, grey colors whereas Wackestone is available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Boninite are an oil and gas reservoir, cemetery markers, creating artwork, soil conditioner, source of magnesia (mgo) and that of Wackestone are cemetery markers, pottery.