overburden: signification et définitions
AnglaisSaisir un mot
Qu'est-ce qu'un overburden?
To burden with too much weight; overload.
To subject to an excessive burden or strain; overtax.
An excessive burden; an overload.
Geology Material overlying a useful mineral deposit.
Geology Sedimentary rock covering older crystalline layers.
Archaeology A sterile stratum overlying a stratum bearing traces of the culture being studied.