forks.worldMapping how the Earth works
PARTICIPANTSRESOURCESLithosphericplatesSubductingslabsMantleMantle plumesEarth'sinteriorGravitationalpotentialenergyInternal heatMagmaImpact +4 of 5. Click for details.Impact +4 of 5. Click for details.Impact +4 of 5. Click for details.Impact +4 of 5. Click for details.50%Impact +4 of 5. Click for details.50%Impact +2 of 5. Click for details.Impact +3 of 5. Click for details.Impact +2 of 5. Click for details.Impact +3 of 5. Click for details.↻ reinforces · moderate · 0.4Internal heat (47 TW at the surface) keeps the solid mantle hot enough to creep, so it convects at centimetres a year over millions of years: uses up Internal heatuses upCold, dense oceanic lithosphere sinks at trenches; the slab's negative buoyancy is the main engine of plate motion: uses Gravitational potential energyHow does the slab transmit its pull to the plates?: uses Gravitational potential energyDirect slab pull through slabs still attached in the upper mantle (about 50%): uses Gravitational potential energySlab suction: detached lower-mantle slabs stir the mantle and drag the plates by shear at their base (about 50%): uses Gravitational potential energyRidge push from the elevated, hot mid-ocean ridges adds a smaller force sliding plates away from ridges: uses Gravitational potential energyHot plumes rise from the lower mantle and feed hotspot volcanism, a return flow of the convection: uses Internal heatHot plumes rise from the lower mantle and feed hotspot volcanism, a return flow of the convection: uses Magmauses upInternal heat: uses upusesGravitational potential energy: usesusesGravitational potential energy: usesusesGravitational potential energy: usesusesGravitational potential energy: usesusesGravitational potential energy: usesusesInternal heat: usesusesMagma: usesStart: Mantleconvection and theforces that drive t…STARTStart: Mantle convection and the forces that drive the platesEnd: Mantle convectionand the forces thatdrive the platesENDEnd: Mantle convection and the forces that drive the platesInternal heat (47 TW atthe surface) keeps thesolid mantle hot enou…📄2Internal heat (47 TW at the surface) keeps the solid mantle hot enough to creep, so it convects at centimetres a year over millions of yearsCold, dense oceaniclithosphere sinks attrenches; the slab…📄2Cold, dense oceanic lithosphere sinks at trenches; the slab's negative buoyancy is the main engine of plate motionHow does the slabtransmit its pull tothe plates?📄1How does the slab transmit its pull to the plates?Direct slab pullthrough slabs stillattached in the upp…📄1Direct slab pull through slabs still attached in the upper mantle (about 50%)Slab suction: detachedlower-mantle slabs stirthe mantle and drag t…📄1Slab suction: detached lower-mantle slabs stir the mantle and drag the plates by shear at their base (about 50%)Ridge push from theelevated, hot mid-oceanridges adds a small…📄1Ridge push from the elevated, hot mid-ocean ridges adds a smaller force sliding plates away from ridgesHot plumes rise fromthe lower mantle andfeed hotspot volcanis…📄1Hot plumes rise from the lower mantle and feed hotspot volcanism, a return flow of the convection
PositiveNegativeLoops backOpen questionThickness = size of impact · % = share of a fork · drag to pan · ctrl+scroll to zoom · ↘ walks into a subprocess