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53 relations: Agate, Aqueous solution, Boudinage, Breccia, Brittleness, Caprock, Competence (geology), Crystal habit, Crystallization, Deformation (engineering), Deposition (chemistry), Diatreme, Ductility, Fluid dynamics, Fracture (geology), Geode, Geology, Gold, Gold rush, Greisen, Hydraulic fracturing, Hydrostatics, Hydrothermal circulation, Kilometre, Lode, Metasomatism, Micrometer, Mineral, Nucleation, Ore genesis, Overburden pressure, Pascal (unit), Perpendicular, Plane (geometry), Polymetallic replacement deposit, Precipitation (chemistry), Quartz, Rheid, Rock (geology), Sediment, Selvage, Shear (geology), Sinistral and dextral, Skarn, Stockwork, Stratum, Stress (mechanics), Strike and dip, Thickness (geology), Thrust fault, ..., Vug, Wall rock, Western Australia. Expand index (3 more) »
Agate
Agate is a rock consisting primarily of cryptocrystalline silica, chiefly chalcedony, alternating with microgranular quartz.
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Aqueous solution
An aqueous solution is a solution in which the solvent is water.
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Boudinage
Boudinaged quartz vein in shear foliation, Starlight Pit, Fortnum Gold Mine, Western Australia. Boudinage is a geological term for structures formed by extension, where a rigid tabular body such as hornfels, is stretched and deformed amidst less competent surroundings.
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Breccia
Breccia is a rock composed of broken fragments of minerals or rock cemented together by a fine-grained matrix that can be similar to or different from the composition of the fragments.
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Brittleness
# A material is brittle if, when subjected to stress, it breaks without significant plastic deformation.
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Caprock
Caprock or cap rock is a harder or more resistant rock type overlying a weaker or less resistant rock type.
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Competence (geology)
In geology competence refers to the degree of resistance of rocks to either erosion or deformation in terms of relative mechanical strength.
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Crystal habit
In mineralogy, crystal habit is the characteristic external shape of an individual crystal or crystal group.
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Crystallization
Crystallization is the (natural or artificial) process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal.
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Deformation (engineering)
In materials science, deformation refers to any changes in the shape or size of an object due to-.
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Deposition (chemistry)
In chemistry, deposition occurs when molecules settle out of a solution.
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Diatreme
A diatreme, sometimes known as a maar-diatreme volcano, is a volcanic pipe formed by a gaseous explosion.
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Ductility
Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture, which may be expressed as percent elongation or percent area reduction from a tensile test.
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Fluid dynamics
In physics and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids - liquids and gases.
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Fracture (geology)
A fracture is any separation in a geologic formation, such as a joint or a fault that divides the rock into two or more pieces.
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Geode
Geodes (Greek γεώδης - ge-ōdēs, "earthlike") are geological secondary structures which occur in certain sedimentary and volcanic rocks.
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Geology
Geology (from the Ancient Greek γῆ, gē, i.e. "earth" and -λoγία, -logia, i.e. "study of, discourse") is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time.
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Gold
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
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Gold rush
A gold rush is a new discovery of gold—sometimes accompanied by other precious metals and rare earth minerals—that brings an onrush of miners seeking their fortune.
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Greisen
Greisen is a highly altered granitic rock or pegmatite.
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Hydraulic fracturing
Hydraulic fracturing (also fracking, fraccing, frac'ing, hydrofracturing or hydrofracking) is a well stimulation technique in which rock is fractured by a pressurized liquid.
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Hydrostatics
Fluid statics or hydrostatics is the branch of fluid mechanics that studies fluids at rest.
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Hydrothermal circulation
Hydrothermal circulation in its most general sense is the circulation of hot water (Ancient Greek ὕδωρ, water,Liddell, H.G. & Scott, R. (1940). A Greek-English Lexicon. revised and augmented throughout by Sir Henry Stuart Jones. with the assistance of. Roderick McKenzie. Oxford: Clarendon Press. and θέρμη, heat). Hydrothermal circulation occurs most often in the vicinity of sources of heat within the Earth's crust.
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Kilometre
The kilometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: km; or) or kilometer (American spelling) is a unit of length in the metric system, equal to one thousand metres (kilo- being the SI prefix for). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world; notable exceptions are the United States and the road network of the United Kingdom where the statute mile is the official unit used.
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Lode
In geology, a lode is a deposit of metalliferous ore that fills or is embedded in a fissure (or crack) in a rock formation or a vein of ore that is deposited or embedded between layers of rock.
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Metasomatism
Metasomatism is the chemical alteration of a rock by hydrothermal and other fluids.
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Micrometer
A micrometer, sometimes known as a micrometer screw gauge, is a device incorporating a calibrated screw widely used for precise measurement of components in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital calipers.
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Mineral
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
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Nucleation
Nucleation is the first step in the formation of either a new thermodynamic phase or a new structure via self-assembly or self-organization.
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Ore genesis
Various theories of ore genesis explain how the various types of mineral deposits form within the Earth's crust.
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Overburden pressure
Overburden pressure, also called lithostatic pressure, confining pressure or vertical stress, is the pressure or stress imposed on a layer of soil or rock by the weight of overlying material.
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Pascal (unit)
The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.
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Perpendicular
In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees).
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Plane (geometry)
In mathematics, a plane is a flat, two-dimensional surface that extends infinitely far.
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Polymetallic replacement deposit
A polymetallic replacement deposit is an orebody of metallic minerals formed by the replacement of sedimentary, usually carbonate rock, by metal-bearing solutions in the vicinity of igneous intrusions.
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Precipitation (chemistry)
Precipitation is the creation of a solid from a solution.
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Quartz
Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
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Rheid
A rheid is a substance whose temperature is below the melting point and whose deformation by viscous flow during the time of observation is at least three orders of magnitude (1,000×) greater than the elastic deformation under the given conditions.
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Rock (geology)
Rock or stone is a natural substance, a solid aggregate of one or more minerals or mineraloids.
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Sediment
Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles.
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Selvage
A selvage (US English) or selvedge (British English) is a "self-finished" edge of fabric, keeping it from unraveling and fraying.
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Shear (geology)
sinistral shear sense''', Starlight Pit, Fortnum Gold Mine, Western Australia Shear is the response of a rock to deformation usually by compressive stress and forms particular textures.
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Sinistral and dextral
Sinistral and dextral, in some scientific fields, are the two types of chirality ("handedness") or relative direction.
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Skarn
Skarns or tactites are hard, coarse-grained metamorphic rocks that form by a process called Metasomatism.
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Stockwork
In geology, a stockwork is a complex system of structurally controlled or randomly oriented veins.
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Stratum
In geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil, or igneous rock that were formed at the Earth's surface, with internally consistent characteristics that distinguish it from other layers.
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Stress (mechanics)
In continuum mechanics, stress is a physical quantity that expresses the internal forces that neighboring particles of a continuous material exert on each other, while strain is the measure of the deformation of the material.
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Strike and dip
Strike and dip refer to the orientation or attitude of a geologic feature.
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Thickness (geology)
Thickness in geology and mining refers to the distance across a packet of rock, whether it be a facies, stratum, bed, seam, lode etc.
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Thrust fault
A thrust fault is a break in the Earth's crust, across which older rocks are pushed above younger rocks.
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Vug
A vug, vugh, or vugg is a small to medium-sized cavity inside rock.
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Wall rock
Wall rock is the rock that constitutes the wall of an area undergoing geologic activity.
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Western Australia
Western Australia (abbreviated as WA) is a state occupying the entire western third of Australia.
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Redirects here:
Gold reef, Hydrothermal vein, Mineral vein, Ore vein, Ore veins, Quartz vein, Reef (mining), Veins, metallic and mineral.
References
[1] https://en.wikipedia.org/wiki/Vein_(geology)
