Sediments consolidated
The consolidated sediments are deposits which were formed by secondary sedimentation of previously weathered rocks and redeposition of their fragments, and/or by chemical and biochemical precipitation from solutions. Later, they have been consolidated during a diagenesis. During diagenesis following processes leading to consolidation are in operation: compaction, cementation, recrystallization, intrastratal solution, metasomatism, and authigenesis. The intensity of diagenesis depends mostly on the depth of burial, hydrostatic and oriented pressure of surrounded rocks, on temperature, solution activity and some additional factors. The transformation of sand into sandstone serves as one of examples of consolidation during diagenetic processes.
List of exhibitssvrchní koněpruské vápence, jeden kus g17 svrchní koněpruské vápence, devon, jeden kus g23 drabovské křemence, jeden kus, ordovik g219 laminárně zvrstvené lupky, jeden kus, karbon g330 pískovec - jílovitý, dva kusy, vrt. jádra g398 pískovec, jeden kus g441 koněpruské vápence, devon, jeden kus, biohermový vápenec g6 biodetritický vápenec, jeden kus, devon, slivenecké váp. g531 šedý slepenec, jeden kus, karbon g795 skalecké křemence červeně zbar, jeden kus, ordovik, dobrotivské s. g835 skalecké křemence, jeden kus, ordovik, dobrotivské s. g839 křemence, jeden kus, ordovik, kosovské s. g854 Fe ruda, jeden kus g902 Mn ruda - psilomelan, dva kusy g929 Fe ruda, magnetit - hematitová, jeden kus g981 tmavošedý vápenec, jeden kus g1002 vápenec krystalický, jeden kus g1453 rohovec kordieritický, jeden kus g1461 křemence s rourkami po červech, jeden kus g1510 křemenec drabovský (letenské s., ordovik), jeden kus g1511
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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]