0 of the same age or existing at the same time as another person or thing: --
1 someone or something coeval --
Relative rheology of coeval mafic and felsic magmas: nature of resulting interaction processes and shape and mineral fabrics of mafic microgranular enclaves.
They are c coeval to coal-bearing strata associated locally with kaolinitic refractory claystones.
There is a very real poignancy between two approximate coevals when the younger passes on before the older.
One reason for such an argument is that few coeval mafic intrusions have been found in the area.
The extension of lithosphere accompanied with the upwelling of asthenosphere may be the key factor for the coeval magmas with different sources.
As already noted, low-latitude glaciation implies widespread refrigeration and so increases confidence in correlating tillites that otherwise need not be considered as coeval.
Similar broad trends are observed, but coeval bulk compositions differ appreciably.
They are intellects free from any material stuff, coeval with the first cause.
