Definition
Origin
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Texture
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Water Resistant
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Types of Metamorphism
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Types of Weathering
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Asia
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Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone
Fine Grained Rock, Opaque Rock
Decorative Aggregates, Homes, Interior Decoration
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, raw material for manufacture of quicklime and slaked lime, Source of calcium
Artifacts, Monuments, Sculpture, Small Figurines
Alumina Refineries, Creating Artwork, Drawing on blackboards, Gymnasts, athletes and mountain climbers use for grip, In aquifers, Paper Industry, Production of Lime, Raw material for manufacture of quicklime, slaked lime, Soil Conditioner, Whiting, Whiting material in toothpaste, paint and paper
Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock
Chalk is formed from lime mud, which accumulates on the sea floor which is then transformed into rock by geological processes.
Calcite, Clay, Clay Minerals, Quartz, Sand
Biological Weathering, Chemical Weathering
Chemical Erosion, Coastal Erosion, Water Erosion
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe
England, France, Germany, Spain, United Kingdom
Adelaide, New Zealand, Queensland, Victoria, Yorke Peninsula
Hyaloclastite is an aggregate of fine, glassy debris formed by the sudden contact of hot, coherent magma and cold water or water-saturated sediment
Fine Grained Rock, Opaque Rock
Countertops, Decorative Aggregates, Homes, Interior Decoration
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings
Building houses or walls, Construction Aggregate
Artifacts, Jewellery, Monuments, Sculpture
Cemetery Markers, Creating Artwork
Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff and Andesitic tuff.
Always found as volcanic pipes over deep continental crust
Hyaloclastite is a type of Igneous rock is formed through the cooling and solidification of lava or magma.
Hydrogen Sulfide, Sulfur Dioxide
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion