Video: Impossible fossils
2024 Tus sau: Seth Attwood | [email protected]. Kawg hloov kho: 2024-01-10 21:08
Muaj ntau qhov piv txwv ntawm lub ntiaj teb thaum cov pob txha vertically dhau los ntawm ntau txheej ntawm cov pob zeb sedimentary - yog li lawv tau txais lawv lub npe "polystrate fossils" (los ntawm poly - ntau, strata - txheej).
Piv txwv li, nyob rau hauv Joggins thee mine (Nova Scotia, Canada), ntau tsob ntoo ntsug tuaj yeem pom tau tawg nyob rau hauv txheej nrog tag nrho cov tuab ntawm 750 meters. Cov ntoo petrified no tuaj yeem pom tau yooj yim.
Kev khaws cia zoo kawg nkaus, lawv tau txiav los ntawm cov khaubncaws sab nraud povtseg uas tau xav tias tau muab tso rau ntau lab xyoo. Lub ntsiab lus yog tias cov ntoo yuav tsum tau faus sai dua li lawv yuav lwj. Hauv lwm lo lus, cov khaubncaws sab nraud povtseg tsis tuaj yeem maj mam tso rau ntau lab xyoo.
Cov ntoo yuav lwj ntev ua ntej ntawd thiab yog li ntawd yuav tsis tau petrified. Derek Ager, xib fwb Emeritus ntawm Geology ntawm University College Swansea thiab kawm nyob rau hauv austere Lyell Uniform, piav qhia txog cov pob txha pob txha raws li nram no: xyoo, thiab raug rau ib tug tas mus li tus nqi ntawm tsim ntawm sedimentary pob zeb, ces qhov faus ntawm tsob ntoo 10 m siab coj qhov chaw rau. 100,000 xyoo, uas yog qhov tsis txaus ntseeg tiag tiag."
"Ntawm qhov tod tes, yog tias tsob ntoo 10 m siab tau faus rau 10 xyoo, qhov no txhais tau hais tias hauv ib lab xyoo txheej txheej 1000 km tuab yuav muab tso, lossis 10,000 km hauv 10 lab xyoo. Nws kuj yog qhov tsis txaus ntseeg thiab peb tsis muaj kev xaiv tab sis los txiav txim siab tias cov pob zeb sedimentary ntawm lub sijhawm tshwm sim sai heev, thiab muaj qee lub sij hawm thaum cov txheej txheem deposition raug cuam tshuam thiab nres ib ntus, txawm tias cov txheej txheem tshwm sim tas li. thiab homogeneous"
Nov yog qee qhov piv txwv ntxiv ntawm tej yam uas yuav tsum tsis txhob muaj nyob hauv lub ntiaj teb niaj hnub kev tshawb fawb (fossilized ntoo trunks):
Hauv tebchaws Greece Geopark: Lesvos Petrified Forest
Nyob ntawm ntug dej ntawm Yellowstone River
Hnub nyoog li niaj zaus - xam los ntawm qhov muag, txwv tsis pub yuav piav qhia qhov tseeb li cas. Qhov laus, qhov ntau ntseeg …
Hauv Arizona, muaj ntau lub pob zeb zoo li no. Lawv tsis raug txiav los ntawm cov neeg txiav ntoo thaum ub, tsis yog. Lub thoob yog tawg - nws faib nws tus kheej:
Tam sim no piav qhia vim li cas tsob ntoo thaum ub tsis rot, tab sis petrified? Thaj dag nyob rau hauv ib txheej ntawm xuab zeb thiab silt tsis muaj oxygen.
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Fossils uas dhau mus ua technological Artifacts
Hauv kev nrhiav qhov kev xav, lawv feem ntau sau tias txiv ntseej, bolts, iav, springs, spoons, hniav nyiaj hniav kub, taws tswm ciab, rauj, rau tes thiab lwm yam khoom ntawm tib neeg lub neej muaj nyob rau hauv cov pob zeb sedimentary uas muaj ntau pua lab xyoo. Kramol's portal qhib daim ntaub thaiv ntawm peb yam khoom qub