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Hypabyssal magmatites

      The hypabyssal magmatites resulted by magma penetration into fissure or fracture zones (dikes) or into discontinuities along bedding planes (sills). They are often bound to the plutonite bodies and their surroundings. They sometimes occur in groups, so called dike swarms, which might be as much as several dozens of kilometres long (their composition correponds mostly to basic basaltoids).


Exhibition detail no. 3944

No. of sample: g3944
Rock: aplit, magmatity žilné
Description: jeden kus-vrtné jádro
Localization: Cínovec, vrt Cn35, hl.392, 60-80m
Author: leg.Štemprok 1961
Comment:

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Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]