contraction faultcontraction fissurecontraction jointcontraction stripecontraction zonecontrainte tensioncontrast stretchingcontrastedcontratingentcontributorycontrolcontrol charactercontrol equipmentcontrol housecontrol pointcontrol roomcontrolled mosaicconulaireconularidaconulariidconuleconuliteconulusconusconvectionconvection cellconventionalconventional ageconventional inertial or ci or ciconventional international origin or cio or cioconventional miningconventional slump concreteconventional terrestrial or ct or ctconvergenceconvergence mapconvergence meterconvergence of meridiansconvergent faultconvergingconverging diverging flowconverging diverging nozzle flowconversion curveconverted waveconverter stationconvex bankconvex concaveconvex cross beddingconvex planeconvex polygonconvex slope