Volcanics and volcanisedimentary rocks
The volcanics (extrusive or effusive magmatic rocks) resulted from volcanic action on or near the Earth´s surface, either as lava flows or as volcanic explosion (volcanic ash, lapilli, bombs). The products can be retransported to considerable distance. Volcanisedimentary rocks consist of a mixture of volcanic products and sediments. These two compouds can be mixed or deposited in alternating layers. Tuffite is a good example.
fonolit
No. of sample: | g1765 |
Rock: | fonolit, vulkanity (+ vulkanosedimentární horniny) |
Description: | jeden kus |
Localization: | Zář. sil. Ústí - Litoměřice |
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Author: | leg. Krásný, 1960 |
Comment: | též X85 |
fonolit
g1765