Septarian concretion yog dab tsi?

Cov txheej txheem:

Septarian concretion yog dab tsi?
Septarian concretion yog dab tsi?

Video: Septarian concretion yog dab tsi?

Video: Septarian concretion yog dab tsi?
Video: Let’s talk Septarian 2024, Kaum ib hlis
Anonim

Septarian concretions yog ib yam tshwj xeeb ntawm concretion. … Cov ridges no tsim thaum lub concretion shrinks thiab tawg thiab minerals, xws li calcite, muab tso rau hauv cov kab nrib pleb. Cov huab cua tom qab ua rau cov khoom softer ntawm cov kab nrib pleb uas muaj calcite kom yaig.

Puas yog cov khoom muaj nqis?

Feem ntau, calcareous concretions yog muaj txiaj ntsig zoo li pearlsCov xim ci dua thiab muaj zog saturations hais kom tus nqi siab dua. Rounds thiab ovals yog qhov xav tau ntau dua, thiab lwm cov duab raug txiav txim raws li qhov sib luag uas lawv tshwm sim. Smooder nto, siab dua luster, thiab loj loj kuj nce nqi.

Puas yog Septarian nodule ib tug concretion?

Septarian nodules yog sib txawv zoo ib yam li cov concretionsuas yog tus yam ntxwv los ntawm cov kab nrib pleb uas nthuav mus rau qhov chaw thiab tuag tawm ntawm ob sab ntawm lub concretion. Cov kab nrib pleb tawg no feem ntau hla los ntawm cov kab nrib pleb uas ua rau lawv pom "tus vaub kib-rov qab ".

Septarian concretions tsim li cas?

Septarian nodules tsim ua a tshwm sim los ntawm volcanic eruptions thiab compressed teeb meem ntawm Dead Sea creatures. Yog li ntawd, cov ntawv cog lus ntawm Septarian nodules yog tsim nyob rau hauv sediment los ntawm "concretion" ntawm av nkos thiab cov organic sib xyaw.

Koj tuaj yeem qhia tau li cas yog pob zeb yog lub pob zeb?

A concretion muaj tib yam khoom raws li pob zeb nyob ib puag ncig nws, ntxiv rau cov ntxhia cementing, qhov nodule (xws li flint nodules hauv limestone) yog tsim los ntawm cov khoom sib txawv. Concretions tuaj yeem ua tau zoo li lub tog raj kheej, nplooj ntawv, ze li qhov zoo tshaj plaws spheres, thiab txhua yam nyob nruab nrab. Feem ntau yog spherical.

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