Cov pob zeb twg muaj pob txha?
Cov pob zeb twg muaj pob txha?

Video: Cov pob zeb twg muaj pob txha?

Video: Cov pob zeb twg muaj pob txha?
Video: tuav wb lub neej kom ruaj khov - Mang Vang ft. Christina Xyooj [Official Audio] 2021-22 2024, Hlis ntuj nqeg
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Fossils , cov khaws cia seem ntawm cov tsiaj thiab cov nroj tsuag lub neej, feem ntau pom nyob rau hauv sedimentary pob zeb . Los ntawm sedimentary pob zeb , feem ntau pob txha tshwm sim hauv shale, limestone thiab sandstone. Lub ntiaj teb muaj peb hom pob zeb : metamorphic, igneous thiab sedimentary.

Tib neeg kuj nug, hom pob zeb twg muaj pob txha thiab vim li cas?

Sedimentary pob zeb

Tom qab ntawd, lo lus nug yog, ua li cas koj thiaj paub tias pob zeb muaj pob txha nyob hauv nws? Nws tseem yog ib lub tswv yim zoo los nrhiav cov cim qhia tias tus pob zeb muaj a pob txha ua ntej sim ua txhaum nws, ib feem ntawm a pob txha tej zaum yuav pom ntawm qhov chaw pob zeb . Koj tuaj yeem txheeb xyuas cov limestone los ntawm nws qhov sib zog grey xim thiab hardness, nws yuav tsum nyuaj heev kom tawg yam tsis muaj rauj.

Tom qab ntawd, ib tug kuj yuav nug, vim li cas cov pob txha muaj nyob rau hauv cov pob zeb sedimentary?

Sedimentary pob zeb tuaj yeem muaj pob txha vim, tsis zoo li feem ntau igneousand metamorphic pob zeb , lawv tsim ntawm qhov kub thiab txias uas tsis ua kom puas pob txha seem. Cov kab mob tuag tuaj yeem dhau los ua sediments uas yuav, raws li txoj cai, dhau los sedimentary pob zeb.

Cov fossils txawv li cas?

Muaj plaub hom fossils tseem ceeb, txhua tus tsim nyob rau hauv ib txoj kev sib txawv, uas yog qhov zoo rau kev khaws cia ntau hom kab mob. Cov no yog pwm fossils , nrum fossils , taug fossils thiab muaj tseeb daim fossils.

Pom zoo: