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Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).
from French néphéline, from Greek nephelē
Fine Grained Rock, Opaque Rock
Black, Brown, Green, Grey, White
Decorative Aggregates, Homes, Interior Decoration
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate
Artifacts, Monuments, Sculpture, Small Figurines
Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)
Nephelinite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Clinopyroxene, Nepheline, Plagioclase
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Water Erosion, Wind Erosion
Conglomerate is a sedimentary rock which forms from rounded gravel and boulder sized clasts which are cemented together in a matrix
From Latin conglomeratus, to roll together, i.e. from com together + glomerare to gather into a ball, from glomus (genitive glomeris) a ball
Coarse Grained Rock, Opaque Rock
Beige, Black, Brown, Buff, Light to Dark Grey, Orange, Rust, White, Yellow
Decorative Aggregates, Floor Tiles, Homes
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Roof Tiles
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Roadstone
Artifacts, Monuments, Sculpture, Small Figurines
Cemetery Markers, In aquifers, Tombstones
Orthoconglomerate and Paraconglomerate
Clasts are smooth to touch, Is one of the oldest rock, Matrix variable
Conglomerate forms where sediments consisting mainly of pebble and cobble-size clasts at least two millimeters in diameter starts accumulating.
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism
Chemical Erosion, Coastal Erosion
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan
Namibia, Nigeria, South Africa
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
New South Wales, New Zealand