SWEET Ontology
type: Ontology
version info: 2.3
imports: realmGeolBasin.owl
imports: matrRock.owl
imports: matrRockIgneous.owl
imports: realmGeol.owl
imports: phenGeolTectonic.owl
imports: realmGeolContinental.owl
imports: matr.owl
imports: realmLandform.owl
imports: realmGeolOrogen.owl
imports: realmLandOrographic.owl
imports: phenSolid.owl
imports: rela.owl
imports: relaSpace.owl
imports: relaChemical.owl
imports: relaPhysical.owl
imports: relaSci.owl

ConvergentBoundary
type: Class
subclass of: PlateBoundary
equivalent class: ConvergentPlateBoundary
equivalent class: ConvergentMargin
subclass of: Restriction
  on property: hasGeologicProvince
  some values from: Orogen
subclass of: Restriction
  on property: hasPhenomena
  some values from: AsymmetricHeatFlow
subclass of: Restriction
  on property: hasPhenomena
  some values from: Subsidence
comment: In plate tectonics, a convergent boundary or convergent plate boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of lithosphere move toward one another and collide and where crust is being destroyed. [Wikipedia]

DivergentBoundary
type: Class
subclass of: PlateBoundary
equivalent class: DivergentPlateBoundary
comment: In plate tectonics, a divergent boundary or divergent plate boundary (also known as a constructive boundary or an extensional boundary) is a linear feature that exists between two tectonic plates that are moving away from each other and new crust is being formed. [Wikipedia]

FossilPlateBoundary
type: Class
subclass of: PlateBoundary
comment: Are where similar plant and animal fossils are found around different continent shores, suggesting that they were once joined. [Wikipedia]

FractureZone
type: Class
subclass of: GeologicBoundary
equivalent class: FaultZone
subclass of: Restriction
  on property: hasPhenomena
  all values from: Fracture
comment: A fracture zone is a linear oceanic feature--often hundreds, even thousands of kilometers long--resulting from the action of offset mid-ocean ridge axis segments. They are a consequence of plate tectonics. Lithospheric plates on either side of an active transform fault move in opposite directions; here, strike-slip activity is possible. Fracture zones extend past the transform faults, away from the ridge axis; seismically inactive (because both plate segments are moving in the same direction), they display evidence of past transform fault activity.

PlateBoundary
type: Class
subclass of: GeologicBoundary
subclass of: Restriction
  on property: hasGeomorphologicalType
  some values from: TectonicLandform
subclass of: Restriction
  on property: hasPlanetaryStructure
  all values from: TripleJunction
comment: The location where two plates meet is called a plate boundary. it is often a broad zone where the plate interactions are not well understood. [Wikipedia]

Rift
type: Class
subclass of: GeologicBoundary
subclass of: FractureZone
subclass of: Restriction
  all values from: AnorogenicIgneousRock
  on property: hasSubstance
comment: A rift is a place where the Earth's crust and lithosphere are being pulled apart[1] and is an example of extensional tectonics. [Wikipedia]

StressRegime
type: Class
subclass of: GeologicBoundary
comment: Stress regimes are shear zones. A shear zone or shear is a wide zone of distributed shearing in rock. Typically this is a type of fault but it may be difficult to place a distinct fault plane into the shear zone. Shear zones may form zones of much more intense foliation, deformation, and folding. [Wikipedia]

SubductionZone
type: Class
subclass of: GeologicProvince
comment: A subduction zone is an area on Earth where two tectonic plates move towards one another and subduction occurs. [Wikipedia]

SupraSubductionZoneComplex
type: Class
subclass of: GeologicProvince
comment: There is increasing evidence that most ophiolites are generated when subduction begins and thus represent fragments of fore-arc lithosphere. This led to introduction of the term "supra-subduction zone" (SSZ) ophiolite in the 1980s to acknowledge that some ophiolites are more closely related to island arcs than ocean ridges. [Wikipedia]

Suture
type: Class
subclass of: FractureZone
subclass of: FossilPlateBoundary
comment: A suture is where a fragment of crustal material is accreted to crust lying on another plate. [Wikipedia]

TranspressionalStressRegime
type: Class
subclass of: StressRegime
subclass of: Restriction
  all values from: Melange
  on property: hasSubstance
comment: Transpression regimes are formed during oblique collision of tectonic plates and during non-orthogonal subduction. [Wikipedia]

TranstensionalStressRegime
type: Class
subclass of: StressRegime
comment: Transtension regimes are oblique tensional environments where stretching takes place. [Wikipedia]

TransformBoundary
type: Class
subclass of: PlateBoundary
equivalent class: TransformPlateBoundary
equivalent class: TransformMargin
subclass of: Restriction
  some values from: TranspressionalBasin
  on property: hasBasin
comment: A transform plate boundary is where two lithospheric plates slide past each other and where crust is neither produced or destroyed. [Wikipedia]

ThrustSystem
type: Class
subclass of: FractureZone
comment: A thrust fault system is one in which the higher side of the fault moves upward. [Wikipedia]

TripleJunction
type: Class
subclass of: GeologicBoundary
comment: The Galapagos Triple Junction is a geological area in the eastern Pacific Ocean several hundred miles west of the Galapagos Islands where three tectonic plates - the Cocos Plate, the Nazca Plate and the Pacific Plate - meet. [Wikipedia]

AseismicRidge
type: Class
subclass of: Ridge
comment: Are neighboring ridges on different tectonic plates which have similar seismic characteristics. "Based on similar seismic velocity gradients of the lavas of the Carnegie, Cocos and Malpelos Ridges there is evidence that the hotspot activity has been the result of a single long mantle melt rather than multiple periods of activity and dormancy." [Wikipedia]

Ophiolite
type: Class
subclass of: GeologicFeature
comment: An Ophiolite is a section of the Earth's oceanic crust and the underlying upper mantle that has been uplifted or emplaced to be exposed within continental crustal rocks. [Wikipedia]

PairedMetamorphicBelt
type: Class
subclass of: GeologicFeature
subclass of: Restriction
  on property: hasPhenomena
  all values from: AsymmetricHeatFlow
comment: A location where belts of high pressure, low temperature metamorphism on the oceanic side are associated with belts of high pressure, high temperature metamorphism on the continent side. [Wikipedia]

RiftValley
type: Class
subclass of: GeologicFeature
subclass of: Restriction
  all values from: TectonicLandform
  on property: hasGeomorphologicalType
subclass of: Restriction
  all values from: ContinentalRift
  on property: hasOuterBoundary
comment: A rift valley is a linear-shaped lowland between highlands or mountain ranges created by the action of a geologic rift or fault. [Wikipedia]

FloodBasalt
type: Class
subclass of: Landform
comment: A flood basalt or trap basalt is the result of a giant volcanic eruption or series of eruptions that coats large stretches of land or the ocean floor with basalt lava. Flood basalts have occurred on continental scales (large igneous provinces) in prehistory, creating great plateaus and mountain ranges. [Wikipedia]