A Geological Trail
przystanki ściezki geologicznej 
kamienne drogowskazy szlaku górniczego 
Karkonosze granite
Granite is a type of intrusive rock, i.e. rock formed in the deeper parts of the earth’s crust from magma that cooled and solidified. The slow process made...
Mica-schist
The schists are rocks that naturally split off into thin, elongated flakes or slabs. This specimen consists mainly of chlorite and sericite, minerals formed as...
Basalt
Basalt is lava cooled at the surface of the earth or in volcanic pipes that existed in the Western Sudeten Mountains 20-30 million years ago. This type of rock...
Melaphyre
Melaphyre is a volcanic rock similar to basalt in origin and appearance. As liquid lava, it cooled on the surface or near it within the earth’s crust. The...
Amphibolite
This specimen of amphibolite comes from the mine in Ogorzelec (Rudawy Janowickie Mountains). It is over 500 million years old. It was formed out of volcanic rocks...
Sandstone
Sandstone is formed out of sand, when sand grains are glued together with a mineral solution. It usually happens on the bottom of the sea or the ocean, rarely on...
Dolomite marble
This type of rock was originally made from skeletons and shells of tiny sea animals that after their death accumulated on the seabed. Limestone...
Karkonosze granite
Granite is a type of intrusive rock, i.e. rock formed in the deeper parts of the earth’s crust from magma that cooled and... more »
Mica-schist
The schists are rocks that naturally split off into thin, elongated flakes or slabs. This specimen consists mainly of chlorite... more »
Basalt
Basalt is lava cooled at the surface of the earth or in volcanic pipes that existed in the Western Sudeten Mountains 20-30... more »
Melaphyre
Melaphyre is a volcanic rock similar to basalt in origin and appearance. As liquid lava, it cooled on the surface or near it... more »
Amphibolite
This specimen of amphibolite comes from the mine in Ogorzelec (Rudawy Janowickie Mountains). It is over 500 million years old.... more »
Sandstone
Sandstone is formed out of sand, when sand grains are glued together with a mineral solution. It usually happens on the bottom... more »
Dolomite marble
This type of rock was originally made from skeletons and shells of tiny sea animals that after their death accumulated on the... more »
