n
The mixing of soil by the wind or by gases emitted by decaying organic matter
adj
(geology) Of or relating to an agglomerate.
adj
(geology) Describing rock that have multiple types of grain, typically fossiliferous material, ooids, peloids or intraclast in a carbonate matrix
adj
(geology) deposited as a sediment from a turbid current
n
(geology) The metamorphism of plutonic rock into magma in the lower levels of the crust
n
(geology) Any rock produced by anatexis
adj
(geology) Fine-grained.
adj
(geology) Of or pertaining to arkose.
adj
(geology) Describing a mineral, in an igneous rock, that is bounded by its own crystal face; euhedral, idiomorphic
n
Fluid rock material of basaltic origin
n
(geology) A large irregular mass of intrusive igneous rock that has melted or forced itself into surrounding strata
n
The sorting of soil particles of different sizes, resulting from bioturbation.
adj
(mathematics) Said of a magma that has the cancellation property.
adj
(petrology) describing a type of metamorphic rock that has undergone shearing and granulation by high mechanical stress
adj
(geology) Of or pertaining to a conglomerate.
n
(geology) Change to rock in physical contact with molten lava
n
ice-volcanic melt from a cryovolcano
n
(geology) The rocky part of the cryosphere
adj
(geology) Causing (or caused by?) cryopedoturbation
adj
(geology) of or pertaining to the pressure exerted on soil or rocks by the freezing of water
adv
By means of a cryovolcano or by means of cryovolcanism
n
(geology) A series of metamorphic rocks that are difficult to assign a position in the local stratigraphical sequence
adj
(geology) Consisting of, or pertaining to, geological detritus.
adj
Alternative form of detrital [(geology) Consisting of, or pertaining to, geological detritus.]
adj
(geology) Of or pertaining to reactions of liquids derived from magma with the solidified rock from the same magma.
adj
(mineralogy) Formed into a glassy state by shock transformation without melting.
n
(petrology) A type of pebble that has three curved faces formed by wind-blown sand.
n
(geology) A type of argid that has a duripan horizon
adj
(geology) (usually of metamorphism) Involving the effects of directed pressures and shearing stress as well as a wide range of confining pressures and temperatures.
adj
(geology) metamorphosized into eclogite
adj
(geology) That has stratified ore deposits
n
(geology, uncommon) A pyroclastic deposit that exhibits characteristics of both tuff and lava flows.
n
(geology) A change in a rock that happens when igneous material intrudes upon it.
n
(petrology) The appearance of crystalline grains in a rock.
adj
Resembling or containing gneiss.
adj
(geology) Resembling granite in structure or shape.
adj
(geology, of igneous rocks) having both glass and crystalline components
n
(geology) A textured layer of sediment produced by the action of living organisms
adj
(archaic) Formed by heat and water; denoting an obsolete theory of the formation of granite
adj
(geology) Resulting from, or produced by, great heat. With rocks, it could also mean formed from lava or magma.
adj
(geology) Of rocks: forced, while in a plastic or molten state, into the cavities or between the cracks or layers of other rocks.
n
(geology) A line, either on a map or the surface of the Earth, joining points at which metamorphism reached similar pressures and temperatures; actually the intersection of a surface and that of the Earth.
n
(geology) Any form of metamorphism that occurs near the Earth's surface
n
(geology) mass similar to laccolith but concave down
adv
(geology) In respect of, or due to, magma
n
(geology) The formation of igneous rock by the solidification of magma
adj
Of or pertaining to magma.
n
A kind of volcanic vesicular basalt rock.
n
(mineralogy) A homogeneous mass of rock, not layered and without an obvious crystal structure.
n
(geology) Any crystalline grain in an igneous or metamorphic rock that is much larger than those of the surrounding matrix
n
(geology) The very last state (or material formed) in the formation of an igneous rock
n
(geology) An intermediate zone of the lithosphere characterised by metamorphic rock
n
(geology) metamorphosed chert
n
(geology) A metamorphic conglomerate
n
(geology) metamorphosed gabbro
n
(mineralogy) A rock that has been changed from its original form by subjection to heat and/or pressure.
n
(geology) one of the major groups of rock that makes up the crust of the Earth; consists of pre-existing rock mass in which new minerals or textures are formed at higher temperatures and greater pressures than those present on the Earth's surface
n
(geology) The process by which rocks are changed into other forms by the application of heat and/or pressure.
n
A mudstone that has undergone metamorphism to some degree.
n
(geology) The process by which the bulk chemical composition of a rock is changed by the introduction of components from an external source, especially by a hydrothermal fluid.
n
(geology) metamorphism involving mechanical change
n
(geology) The metamorphosis of a rock to produce migmatite
n
(geology) Any naturally occurring inorganic material that has a (more or less) definite chemical composition and characteristic physical properties.
n
Obsolete form of mineral. [(geology) Any naturally occurring inorganic material that has a (more or less) definite chemical composition and characteristic physical properties.]
adj
Of or resembling a mine.
n
(geology) Any rock that has undergone modifications due to dynamic recrystallization following plastic flow; a schist created by crushed or ground rock.
adj
(geology) Modified by neomorphism
n
(geology) The regeneration of magma by the melting of metamorphic rocks.
adj
(geology, petrology, of a rock or geologic formation) Containing or yielding petroleum.
adj
(geology) Distinctly crystalline; used of rocks.
adj
(geology) originating from plutons
adj
Of, or related to plutonism.
n
(geology) The presence of more than one phase of metamorphism.
n
A breccia containing multiple types of rock.
adj
(geology) composed of more than one mineral
adj
(mineralogy) Having layers of twin crystals
n
(geology) A relatively large crystal within a metamorphic rock
adj
(geology) Being a metamorphic change resulting from a higher pressure or temperature.
adj
(geology) Relating to crystalline or fire-formed rocks.
adj
(geology) of a mineral formed from magma at high temperature
n
(geology) A type of metamorphism in which rocks are changed by heat from burning fossil fuel.
adj
(geology, dated, of a mineral, etc.) changing form when heated, especially forming crystals
n
(geology) Widespread change in rock due to high pressure and temperature throughout an area
adj
(geology) Of a metamorphic change: resulting from a decrease in pressure or temperature.
adj
Of or relating to rocks; living among rocks.
n
A porous synthetic material made by simulation of magma formation in a vacuum.
n
(geology) Any of various metamorphic rocks formed by metasomatism.
adj
(geology) Characteristic of skarn
adj
(geology) Having a slickenside.
adj
(geology, of a mineral etc) That has passed maturity.
n
(geology) A change in the structure of magma by melting or the assimilation of a different type of rock.
n
(geology) A tectonically-deformed metamorphic rock
n
(geology) A soil type found in volcanic regions, known for hardness, poor drainage, and poor fertility.
n
A volcanic rock with a composition between trachyte and basalt.
n
(geology) A white to grey volcanic tufa, formed of decomposed trachytic cinders, sometimes used as a cement.
n
(geology) A sedimentary rock composed of the shells of diatoms etc., used for polishing.
n
(geology) A particular form of psamment
n
(petrology) A variety of volcanic rock, tuff.
n
(geology) The mixing of soil or sediment, especially pedoturbation
adj
(geology, oceanography) Of, pertaining to, or arising from turbidite, a sedimentary deposit formed by a turbidity current
n
The process of metamorphism at extreme temperatures and pressures where rocks are partially heated to magma, to which the affected rocks then become metamorphic after fusing.
n
(geology) A form of metamorphosis that occurs at a temperature and pressure just below the fusion point of the rock
adj
(geology) Composed of glassy fragments
n
A crystal forming in a metamorphic rock that has not developed its characteristic crystalline faces and which gets its shape from bordering crystals.
adj
(petrography, of a mineral grain) That does not have its characteristic crystalline form but has a form impressed on it by surrounding grains; anhedral.
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