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Marl
Marl

Gossan
Gossan



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Marl
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Marl and Gossan

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1 Definition
1.1 Definition
Marl is an unconsolidated sedimentary rock consisting of clay and lime
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.
1.2 History
1.2.1 Origin
Unknown
Indonesia
1.2.2 Discoverer
Unknown
Cornish Gossen
1.3 Etymology
From Old French marle, from Late Latin marglia
From Cornish gossen from gos, blood from Old Cornish guit
1.4 Class
Sedimentary Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Earthy
Rough, Sandy
2.2 Color
Beige, Brown, Green, Grey, White
Brown, Brown- Black, Gold, Green, Rust
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
2.4.2 Scratch Resistant
2.4.3 Stain Resistant
2.4.4 Wind Resistant
2.4.5 Acid Resistant
2.5 Appearance
Rough and Dull
Dull and Banded
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Floor Tiles
Countertops, Decorative Aggregates, Interior Decoration
3.1.2 Exterior Uses
As Building Stone, Roof Tiles
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
3.1.3 Other Architectural Uses
Curbing
Curbing
3.2 Industry
3.2.1 Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Jewellery, Sculpture, Small Figurines
Artifacts
3.4 Other Uses
3.4.1 Commercial Uses
Creating Artwork, Soil Conditioner
Cemetery Markers, Commemorative Tablets, Gemstone
4 Types
4.1 Types
Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl
Translocated gossan and Leakage gossan
4.2 Features
Generally rough to touch, Is one of the oldest rock, Splintery, Very fine grained rock
Clasts are smooth to touch, Easily splits into thin plates
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Not Yet Used
4.3.2 Famous Monuments
Not Applicable
Not Applicable
4.3.3 Sculpture
Used
Not Yet Used
4.3.4 Famous Sculptures
Data Not Available
Not Applicable
4.3.5 Pictographs
Used
Used
4.3.6 Petroglyphs
Used
Used
4.3.7 Figurines
Used
Not Yet Used
4.4 Fossils
Present
Absent
5 Formation
5.1 Formation
Marl forms when very fine-grained clay particles are deposited in water which settles at the bottom of water bodies and are compacted by overlying sediment; the water squeezes out and hence forming Marl rock.
Earth movements can cause rocks to be either deeply buried or squeezed and hence the rocks are heated and put under great pressure.
5.2 Composition
5.2.1 Mineral Content
Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz
Apatite, Augite, Biotite, Bronzite, Calcite, Chert, Epidote, Feldspar, Hornblende, Micas, Plagioclase, Pyroxene, Quartz, Sulfides, Zircon
5.2.2 Compound Content
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide
Aluminium Oxide, CaO, Fe, FeO, Silicon Dioxide, Sulphur
5.3 Transformation
5.3.1 Metamorphism
5.3.2 Types of Metamorphism
Not Applicable
Not Applicable
5.3.3 Weathering
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering
Not Applicable
5.3.5 Erosion
5.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Sea Erosion, Wind Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
2-34-5
Coal
1 7
6.1.2 Grain Size
Very fine-grained
Fine to Medium Grained
6.1.3 Fracture
Conchoidal
Conchoidal
6.1.4 Streak
White
White to Grey
6.1.5 Porosity
Highly Porous
Highly Porous
6.1.6 Luster
Dull
Metallic
6.1.7 Compressive Strength
NANA
What Is Obsidian
0.15 450
6.1.8 Cleavage
Not Available
Not Available
6.1.9 Toughness
2.6
Not Available
6.1.10 Specific Gravity
2.2-2.82.0
Granite
0 8.4
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
2.4-2.8 g/cm3Not Available
Granite
0 1400
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
NA0.24 kJ/Kg K
What Is Granulite
0.14 3.2
6.2.2 Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant, Pressure Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
India, Pakistan, Russia
China, India, Indonesia, Russia, Singapore, South Korea
7.1.2 Africa
Ethiopia, Kenya, Morocco, South Africa
Cape Verde, Ethiopia, Ghana, South Africa, Western Africa
7.1.3 Europe
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Albania, France, Germany, Great Britain, United Kingdom
7.1.4 Others
Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
USA
Canada, USA
7.2.2 South America
Colombia, Ecuador, Peru
Brazil, Colombia, Ecuador
7.3 Deposits in Oceania Continent
7.3.1 Australia
New South Wales, Victoria, Western Australia
New South Wales, South Australia, Western Australia

All about Marl and Gossan Properties

Know all about Marl and Gossan properties here. All properties of rocks are important as they define the type of rock and its application. Marl belongs to Sedimentary Rocks while Gossan belongs to Metamorphic Rocks.Texture of Marl is Earthy whereas that of Gossan is Rough, Sandy. Marl appears Rough and Dull and Gossan appears Dull and Banded. The luster of Marl is dull while that of Gossan is metallic. Marl is available in beige, brown, green, grey, white colors whereas Gossan is available in brown, brown- black, gold, green, rust colors. The commercial uses of Marl are creating artwork, soil conditioner and that of Gossan are cemetery markers, commemorative tablets, gemstone.