Definition of lithosphere in US English:
lithosphere
nounˈliTHəˌsfirˈlɪθəˌsfɪr
Geology The rigid outer part of the earth, consisting of the crust and upper mantle.
the lithosphere comprises a number of plates
mass noun continental lithosphere has a lower mean density than oceanic lithosphere
Example sentencesExamples
- At the same time, material that was eroded must be deposited offshore, amplifying the downward load where Mesozoic extension had already thinned the crust and weakened the lithosphere.
- An alternative to an active mantle thermal anomaly is greater stretching of the mantle lithosphere than the crust.
- After new oceanic crust forms, the lithosphere cools and thickens as it moves away from the ocean ridge.
- This allows us to place much tighter constraints on the tectonic and thermal evolution of the lithosphere during late orogenic extension than has previously been possible.
- We attribute base level changes to the influence of the proto-Iceland mantle plume beneath the lithosphere, providing support until continental break-up west of the Faroe Islands.