asthenospheric
adjective
geologyspecializeduk/ˌæs.θiː.nəˈsfer.ɪk/us/ˌæs.θiː.nəˈsfɪr.ɪk//ˌæs.θiː.nəˈsfer.ɪk/relatingto orformedfrom theasthenosphere(= thethin,almostliquid,layerunder the hardrockthatformstheouterlayerof theearth):
Thedykeswerederivedfrom an asthenosphericsourceand arepossiblyof Silurianage.
basaltfrom asthenosphericmantle
Compare
lithospheric
- The asthenosphericmagmamayinteractwith the overlying lithosphericmantle.
- Theavailabledatasuggestthat thesourceof theserockswas afertile, garnet-bearing, asthenosphericmantle.
- The magmas haveclearlyremainedin theuppermantlesince theoceaniclithosphere wasformed, and have not beendisplacedby asthenosphericflowsince thattime.
- These Quaternaryvolcanicrocksfrom Santorini are Cenozoicvolcanicrockswith asignificantasthenosphericcomponent.
Geology: types of rock
- arenaceous
- arenite
- asthenosphere
- basaltic
- bioclastic
- borax
- chalk
- emery
- feldspar
- flint
- limestone
- magma
- marcasite
- marl
- marmoreal
- metamorphic
- pumice
- pumice stone
- scour
- soapstone