Diamictite

Gossan

Diamictite and Gossan

Diamictite

Gossan

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Definition

Diamictite is a sedimentary rock that consists of non-sorted to poorly sorted terrigenous sediment containing particles that range in size from clay to boulders, suspended in a matrix of mudstone or sandstone

Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.

History

Origin

Southern Mongolia

Indonesia

Discoverer

Unknown

Cornish Gossen

Etymology

From Greek dia through and meiktós or mixed

From Cornish gossen from gos, blood from Old Cornish guit

Class

Sedimentary Rocks

Metamorphic Rocks

Sub-Class

Durable Rock, Soft Rock

Durable Rock, Medium Hardness Rock

Family

Group

Other Categories

Coarse Grained Rock, Opaque Rock

Fine Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Clastic

Rough, Sandy

Color

Brown, Buff

Brown, Brown- Black, Gold, Green, Rust

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Banded

Dull and Banded

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration

Countertops, Decorative Aggregates, Interior Decoration

Exterior Uses

As Building Stone, Paving Stone

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Construction Aggregate, for Road Aggregate, Landscaping, Roadstone

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

Medical Industry

Antiquity Uses

Artifacts

Other Uses

Commercial Uses

Commemorative Tablets, Creating Artwork, Production of Lime

Cemetery Markers, Commemorative Tablets, Gemstone

Types

Bedded Diamictite and Laminated Diamictite

Translocated gossan and Leakage gossan

Features

Host Rock for Lead, Is one of the oldest rock

Clasts are smooth to touch, Easily splits into thin plates

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Present

Absent

Formation

Diamictite is unevenly sorted terrigenous, non-calcareous sedimentary rock which forms due to weathering of mudstone and sandstone.

Earth movements can cause rocks to be either deeply buried or squeezed and hence the rocks are heated and put under great pressure.

Composition

Mineral Content

Calcite, Clay, Feldspar, Micas, Quartz

Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon

Compound Content

Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion

Chemical Erosion, Sea Erosion, Wind Erosion

Properties

Physical Properties

Hardness

2-34-5

1 7

👆🏻

Grain Size

Coarse Grained

Fine to Medium Grained

Fracture

Conchoidal to Uneven

Conchoidal

Streak

Light to dark brown

White to Grey

Porosity

Highly Porous

Luster

Grainy, Pearly and Vitreous

Metallic

Compressive Strength

0.15 450

👆🏻

Cleavage

Toughness

Specific Gravity

4.3-5.02.0

0 8.4

👆🏻

Transparency

Opaque

Density

2.2-2.35 g/cm³-9999 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.75 kJ/Kg K0.24 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Kazakhstan, Mongolia, Russia

China, India, Indonesia, Russia, Singapore, South Korea

Africa

Namibia, Nigeria, South Africa

Cape Verde, Ethiopia, Ghana, South Africa, Western Africa

Europe

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

Albania, France, Germany, Great Britain, United Kingdom

Others

Deposits in Western Continents

North America

Canada, USA

South America

Brazil, Venezuela

Brazil, Colombia, Ecuador

Deposits in Oceania Continent

Australia

New South Wales, New Zealand

New South Wales, South Australia, Western Australia

All about Diamictite and Gossan Properties

Know all about Diamictite and Gossan properties here. All properties of rocks are important as they define the type of rock and its application. Diamictite belongs to Sedimentary Rocks while Gossan belongs to Metamorphic Rocks.Texture of Diamictite is Clastic whereas that of Gossan is Rough, Sandy. Diamictite appears Banded and Gossan appears Dull and Banded. The luster of Diamictite is grainy, pearly and vitreous while that of Gossan is metallic. Diamictite is available in brown, buff colors whereas Gossan is available in brown, brown- black, gold, green, rust colors. The commercial uses of Diamictite are commemorative tablets, creating artwork, production of lime and that of Gossan are cemetery markers, commemorative tablets, gemstone.