Ooids yog me me nplej uas feem ntau muaj CaCO3 xws li calcite lossis aragonite. Lawv precipitate los ntawm seawater nyob rau hauv concentric bands nyob ib ncig ntawm lub nucleus (piv txwv li ib feem ntawm pob zeb los yog pob txha pob txha) nyob rau hauv turbulent qhov chaw ntiav.
Oolitic qauv yog dab tsi?
Oolite lossis oölite (qe pob zeb) yog a pob zeb sedimentary tsim los ntawm ooids, spherical nplej uas muaj cov txheej txheem concentricLub npe muab los ntawm Ancient Greek lo lus ᾠόν rau qe. nruj me ntsis, oolites muaj ooids ntawm txoj kab uas hla 0.25-2 millimeters; pob zeb uas muaj ooids loj dua 2 hli yog hu ua pisolites.
Yuav ua li cas cov sediment yog oolites?
Oolite yog hom ntawm cov pob zeb sedimentary, feem ntau limestone, ua los ntawm ooids cemented ua ke. Ib qho ooid yog ib lub pob zeb me me uas tsim thaum cov xuab zeb los yog lwm yam nucleus yog coated nrog cov txheej txheem ntawm calcite lossis lwm yam minerals. Ooids feem ntau tsim nyob rau hauv ntiav, yoj-agitated marine dej.
Yuav ua li cas cov zaub mov muaj nyob rau hauv oolitic limestone?
Feem ntau oolites yog limestones - ooids yog ua los ntawm calcium carbonate (minerals aragonite lossis calcite).
Oolitic limestone tsim nyob qhov twg?
Oolites tsim hnub no hauv sov, supersaturated, ntiav, dej hiav txwv aggiated heev Lawv feem ntau cuam tshuam nrog thaj tsam ntawm kev ua dej siab siab hauv ib puag ncig subtidal lossis qis dua intertidal. Cov txheej txheem ntawm kev tsim yog pib nrog cov noob ntawm qee yam, tej zaum ib lub plhaub tawg.
