Tag: dike
Drought causes cracks in dike at Zegveld
The cracks have formed in various places of the Grechtdijk. “The clay layer, the top layer of the dike, has become rock hard,” explains a spokesperson for the De Stichtse…
Dike: what is it?
Dykes are intrusions of igneous rocks within the Earth’s crust. Unlike the plutos, which form massive sets, the dykes are in the form of veins which cut the rocks of…
Sill: what is it?
Sills are intrusions of igneous rocks within the Earth’s crust. Of tabular geometry, they are in the form of let’s go horizontal, which insinuate themselves between older surrounding sedimentary layers.…
How can geologists predict a volcanic eruption?
Is it possible to predict an eruption? If this is the case in the medium term, it is not yet possible to estimate the precise date. The number of parameters…
How can geologists anticipate an eruption?
Is it possible to predict an eruption? If this is the case in the medium term, it is not yet possible to estimate the precise date. The number of parameters…
A gigantic meteorite impact would have shaken the Earth for several thousand years
A huge meteorite would have impacted the Earth more than 2 billion years ago. This cataclysmic event would have been followed by a long phase of rebalancing of the crust,…