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Granite, one of the hardest rocks on Earth, is believed to have been formed during the Paleozoic Era. This granular igneous rock is often used in the building industry.
granite, nature, rock, hard, geography, industry, clip, mozaClip, igneous rock
A kb. 20 millió évvel ezelőtti riolittufa-szétterülés vakítóan fehér, ún. badland felszínt hozott létre. Európában mindössze 6 hasonló képződmény található.
Basalt is the most common extrusive igneous rock, the colour of which ranges from grey to black.
Bauxite ore is first processed to produce alumina, which is then smelted to produce pure aluminium metal. Bauxite mining and processing are damaging to the...
The unique beauties of the karstic caves are called dripstones.
A Balaton-felvidék bazaltképződménye, melyet bányászat során bontottak ki. Jellegzetes oszlopos hatszöges elrendeződése világszinten is ritkaság.
Igneous rocks, like andesite and basalt, are formed when erupting lava solidifies on the surface. Due to erosion over millions of years signs of past...
The dissolution of limestone results in the development of karst formations.
It is a sedimentary rock with high calcium carbonate content.
It is a sedimentary rock made up of loosely structured, rough grains of rock.
Rocks are a composed of minerals. These minerals can often be found in their pure forms.
This video is yet another proof that nature can create a surprisingly diverse range of shapes and forms.
Solidifying volcanic ash can form rhyolitic tuff outcrops which are wonderful lunar-like landscapes.
The evaporation of seawater provides an excellent opportunity for coastal countries to produce salt.
Did you know that about 75% of the land on our planet is covered with sedimentary rock?
The Andes were formed by the collision of two tectonic plates, one oceanic and one continental.
Upon physical weathering the rock only falls into pieces, whereas during chemical weathering its chemical structure changes too.
Due to the effect of both exogenic and endogenic forces, rocks constantly change. This is called the rock cycle.
The area surrounding an inactive or extinct volcano is not necessarily calm. Let’s see the potential after-effects of once active volcanoes.