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 exhibitsFe ruda, jeden kus g2527Fe ruda, jeden kus g2529 Fe ruda, dva kusy g2531 Fe ruda, jeden kus g2532 Fe ruda, jeden kus g2533 Fe ruda /magnetit,chlorit/, jeden kus g2535 Fe ruda, jeden kus g2536 Fe klobouk pyrit. ložiska, jeden kus g2538 manganová ruda, jeden kus g2547 Fe ruda, jeden kus g2550 vápenec laminární, jeden kus g2582 pískovec železitý, jeden kus g2590 slepenec, jeden kus g2602 polymiktní slepenec, g2604 křemenec, jeden kus g2608 svrchní oligocén, jeden kus g2683 uhelný lupek, jeden kus g2703 lupek - světlehnědý, jeden kus g2725 křída - b. svrch turonu /xa/, tři kusy g2816 rohovec biotit. s andalusitem, jeden kus g1576
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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]