SWEET Ontology
type: Ontology
version info: 2.3
imports: propSpaceDirection.owl
imports: reprSpaceDirection.owl
imports: relaSpace.owl
imports: procPhysical.owl
imports: phenGeolTectonic.owl
imports: phenGeol.owl
imports: phenSystem.owl

DipSeparationSense
type: Class
subclass of: Slip
comment: A fault along which there is some separation parallel to the dip of the fault.

DipSlip
type: Class
subclass of: DipSeparationSense
comment: The net slip of the fault lies in the dip direction of the fault

Extraction
type: Class
subclass of: Slip
comment: A fault whose two sides have approached each other substantially in the direction perpendicular to the fault.

Horizontal
type: Class
subclass of: Slip
comment: The fault is horizontal

MixedExtraction
type: Class
subclass of: Extraction
comment: An extraction fault with some displacement within the fault plane.

ObliqueSlip
type: Class
subclass of: Slip
subclass of: Restriction
  has value: Oblique
  on property: hasDirection
comment: The net slip of the fault lies between the strike and dip directions of the fault; the slip vector rakes between 10 and 80 degrees in the plane of the fault.

PureExtraction
type: Class
subclass of: Extraction
comment: An extraction fault with no discernible displacement within the fault plane.

Scissor
type: Class
subclass of: Slip
comment: A fault on which there is increasing offset or separation along the strike from an initial point of no offset, with reverse offset in the opposite direction.

StrikeSeparationSense
type: Class
subclass of: Slip
comment: A fault along which there is some separation parallel to the strike of the fault.

StrikeSlip
type: Class
subclass of: StrikeSeparationSense
comment: The net slip of the fault (slip vector) is parallel to the strike of the fault.

Transcurrent
type: Class
subclass of: StrikeSlip
comment: A large scale strike-slip fault in which the fault surface is steeply inclined.

Transform
type: Class
subclass of: StrikeSlip
comment: A variety of strike-slip fault along which the displacement suddenly stops or changes form; typically associated with mid-ocean ridges.

Transpressional
type: Class
subclass of: ObliqueSlip
comment: A fault along which strike-slip deformation is accompanied by a component of shortening transverse to the fault.

Transtensional
type: Class
subclass of: ObliqueSlip
comment: A fault along which strike-slip deformation is accompanied by a component of extension transverse to the fault.

Wrench
type: Class
subclass of: StrikeSlip
comment: A strike slip fault in which the faut plane is more or less vertical.

Detachment
type: Class
subclass of: Normal
comment: A regional-scale low-angle normal fault. A regional-scale low-angle normal fault.

Dextral
type: Class
subclass of: TectonicProcess
comment: Right-lateral separation sense; in plan view, the side opposite the observer appears displaced to the right.

GenericDecollement
type: Class
subclass of: TectonicProcess
comment: A large-displacement (kilometers or tens of kilometers) shallowly dipping to subhorizontal fault or shear zone.

NoMovementSense
type: Class
subclass of: TectonicProcess
comment: The fault-parallel displacement is effectively zero, as in an extraction fault.

Normal
type: Class
subclass of: TectonicProcess
comment: The hanging wall appears to have moved down relative to the footwall; dip of fault usually 45-90 degrees.

Sinistral
type: Class
subclass of: TectonicProcess
comment: Left-lateral separation sense; in plan view, the side opposite the observer appears displaced to the right.

Reverse
type: Class
subclass of: TectonicProcess
comment: The hanging wall appears to have moved down relative to the footwall; dip of fault usually greater than 45 degrees.

Thrust
type: Class
subclass of: TectonicProcess
comment: Reverse fault with dip typically less than 45 degrees; horizontal compression, rather than vertical displacement is characteristic.

ThrustDecollement
type: Class
subclass of: Thrust
comment: A regional-scale low-angle thrust fault.