Tag: Geology
A new spectacular volcanic eruption in Iceland
A volcanic eruption, the fourth in two years, began Monday evening in Iceland, in an area south of the capital Reykjavik, where seismic activity had been very intense since the…
Iceland worried after discovery of magma fissure in Grindavik
In Iceland, the Fagradalsfjall volcano is once again shaking the earth and threatening to erupt in Grindavik, a town located 40 km southwest of the capital Reykjavik. The island declared…
Top 23 caves, in the bowels of the Earth
Caves are generally natural underground cavities most commonly found in karst areas on earth or under water. Although they may also have been dug by human hand to provide shelter…
What are the different types of volcano?
The geologistsand above all, of course, the volcanologists as Haroun Tazieffclassify the volcanoes depending on the different types of eruptions they can produce. This slideshow will explain it to you.…
Passive continental margin: what is it?
“Continental margin” is the term used to define the transition zone between a continental crust and an oceanic crust. There are two types of continental margins: the active margin and…
Where to find gold in France?
Want to discover gold panning and find your own gold flakes and nuggets? No need to travel to the other side of the world to find this precious metal, just…
Macle: what is it?
A twin is an association of two or more crystals of the same mineral species, which orient themselves and fit together at the time of their growth following crystallographic rules…
Why are there sandy beaches and others pebble?
The composition of a beach (pebble, sand, etc.) depends on the geological history of the region. © equinoxefr, Flickr, cc by nc sa 3.0 You will also be interested The…
Silica: what is it?
Silicates are an important family of minerals which represent nearly 95% of the constituents of Earth’s crust. This family includes about 600 species different minerals, whose atomic architecture is characterized…
Groundwater: what is it?
Groundwater tables are large reserves of underground water, present at shallow depths in the subsoil. They represent one of the main sources of drinking water. A water table usually occurs…