Dedolomitization yog calcite ntawm dolomite. Feem ntau nyob rau hauv erosion unconformity los yog epigenetic weathering tej yam kev mob tom qab faus, lub dissolution ntawm anhydrite los yog pyrite tsim ib tug SO2-4 tov, uas yuav ntes Mg2 ntxiv los ntawm cov dolomite thiab precipitate calcite, uas ua rau dolomite yog calcite txhais lus, feem ntau pom tias calcite muaj. Lub illusion ntawm dolomite rhombus, nrog rau cov residual crystals ntawm dolomite.
Dedolomitization
Dec 23, 2021
Xa kev nug