extension  search
RTdeformation
 extension faults
 extension fractures
 extension tectonics
 tension
 torsion
SNUsed to indicate the mechanics of deformation. As of 1982, use extension tectonics if applicable. Before 1978, also used to indicate style of structure. Now use extension faults or extension fractures for style of structure.
extension faults  search
BTfaults
 .extension faults
RTtension
 extension
SNBefore 1978, also search extension AND faults.
extension fractures  search
BTfractures
 .extension fractures
RTtension
 extension
SNBefore 1978, search extension AND fractures.
extension tectonics  search
BTtectonics
 .extension tectonics
RTaccommodation zones
 plate tectonics
 rifting
 underplating
 deformation
 basins
 compression tectonics
 tension
 pull-apart basins
 extension
 torsion
 transtension
SNBefore 1982, search extension AND tectonics; tension AND tectonics. Added to Thesaurus in 1982.