Vim li cas marble muaj cov qauv zoo nkauj?

Lub ntuj marble muaj cov qauv zoo nkauj uas tuaj yeem muab piv nrog cov uas tau kos manually. Qhov no yog vim hais tias marble tau bred nyob rau hauv hiav txwv, thiab muaj ntau yam tsiaj thiab nroj tsuag nyob rau hauv lub hiav txwv pem teb, uas yuav tso tseg ib tug ntau ntawm cov seem tom qab tuag. Tom qab ntau xyoo, vim yog kev txav ntawm lub submarine crust, lawv tau faus tob hauv av thiab muaj kev hloov geological ua ke nrog lwm yam calcium carbonate. Cov calcium carbonate maj mam tig mus rau hauv cov limestone dawb, thiab cov seem ntawm cov tsiaj thiab cov nroj tsuag tau sandwiched nyob rau hauv lub pob zeb, tsim dub limestone. Ob xim ntawm pob zeb interlace tsim ib marble nrog cov qauv zoo nkauj. Vim hais tias marble yog ib qho yooj yim mus txiav, nws tau siv los ua carving thiab tsev cov ntaub ntawv ntev dhau los.