10.2. Metamorphism and Metamorphic Rocks – Vocabulary
Section 10.0 Introduction
- metamorphic rock
- metamorphism
- parent rock
- protolith
- diagenesis
- mineral assemblage
Section 10.1 Controls on metamorphic processes
- mineral composition
- temperature
- metamorphic reaction
- mineral stability
- polymorph
- pressure
- directed pressure
- directed stress
- shear stress
- align / aligned / alignment
- fabric
- foliation
- parallel
- elongate
- fluid
- hydrothermal
- time
- reaction rate
- metamorphic process
Section 10.2 Foliation and rock cleavage
- foliation
- metaconglomerate
- rock cleavage
- shear stress
- perpendicular
- aligned crystals
- deform
- platy crystal habit
- band
- blocky
- lens
- recrystallization
- shadows
- wings
- plane of weakness
- rock cleavage
- slate
- slaty cleavage
- metaconglomerate
Section 10.3 Classification of metamorphic rocks
- foliated
- non-foliated
- metamorphic grade
- slate
- phyllite
- schist
- gneiss
- low-grade metamorphism
- satin texture
- crystal face
- medium-grade metamorphic rock
- high-grade metamorphic rock
- bands
- continuous
- lenses
- mudrock protolith
- amphibolite
- contact metamorphism
- marble
- quartzite
- hornfels
- recrystallize
- impurities
- align / alignment
- randomly oriented
- stable
- migmatite
- partial melting
- ptygmatic folding
Section 10.4 Types of metamorphism and where they occur
- burial metamorphism
- commercial rock name
- regional metamorphism
- large-scale metamorphism
- geothermal gradient
- compressing force
- seafloor (hydrothermal) metamorphism
- convection / convective
- hydrated minerals
- low-grade metamorphism
- greenstone
- subduction zone metamorphism
- lithostatic pressure
- isotherm
- blueschist metamorphism
- eclogite
- contact metamorphism
- confining pressure
- metamorphic aureole
- country rock
- intruding body
- volatile compounds
- thermal energy
- exsolve
- “wet” intrusion
- shock metamorphism
- shocked quartz
- shatter cone
- shock wave
- dynamic metamorphism
- fault zone
- cataclastic rock
- fault breccia
- mylonite
- protomylonite
Section 10.5 Metamorphic facies and index minerals
- metamorphic facies
- index mineral
- geothermal gradient
- amphibolite facies
- greenschist facies
- blueschist facies
- eclogite facies
- hornfels facies
- zeolite facies
- granulite facies
- parent rock
- metamorphic zone
- high-grade metamorphism
- high-grade metamorphic rocks
- low-grade metamorphism
- low-grade metamorphic rocks
- Barrovian metamorphism
Section 10.6 Metamorphic hydrothermal processes and metasomatism
- hydrothermal
- metasomatism
- dissolved ions / minerals
- precipitate
- fractures
- veins
- magmatic water
- alter / alteration
- thermal metamorphism
- hydrothermal alteration
- skarn
- epidote
Other vocabulary
- solid-state re-crystallization
- geothermometer
- discrete zone
- reoriented
- parallel alignment
- preferred orientation
- hydrothermally-altered rock
- hydrothermal fluids
- high-pressure metamorphism
- geobarometer
- geothermometer
- staurolite
- granoblastic rocks
- porphyroblasts
- schistosity
- schistose
- banding
- equi-dimensional crystals
- zoned recrystallization
