Qee xyoo dhau los, nyob rau sab hnub poob Canada, kev ua haujlwm tsuas yog ua rau ib qho ntawm lub ntiaj teb kev tshawb pom tseem ceeb tshaj plaws hauv kev nco tsis ntev los no. Ib pab pawg neeg miners tau ua yuam kev rau qhov uas tej zaum qhov zoo tshaj plaws dinosaur carcass science tau pom.
Lub nodosaur, ib tug herbivore uas yog 18 ko taw ntev thiab kwv yees li 3,000 phaus, tau pom nyob rau hauv 2011 los ntawm pab neeg ua hauj lwm 17 mais sab qaum teb ntawm Alberta, Canada ntawm ib tug mining project. Qhov no yog ib tug fascinating nrhiav txij li thaum lub dinosaur fossils yog li ntawd zoo khaws cia; los ntawm lawv, peb yuav kawm tau ntau yam txog dinosaur lub neej thiab kev tuag.
Cov kws tshawb fawb hais tias cov seem seem zoo li lawv tsuas yog ob peb lub lis piam txawm tias qhov tseeb tias tus dinosaur tuag ntau dua 110 lab xyoo dhau los. Qhov no yog vim qhov pom kev zoo nyob rau hauv uas lawv tau khaws cia.
Lub dinosaur - Borealopelta (lub ntsiab lus "Northern shield") yog ib tug genus ntawm nodosaur uas nyob thaum lub sij hawm Cretaceous - yog ib tug ntawm cov ntau uas tau ntsib nws kawg vim yog raug cheb los ntawm dej nyab los ntawm ib tug dej raws li nws ua nws txoj kev mus rau hauv. dej hiav txwv.
Cov cuab yeej tuab uas nyob ib puag ncig lub cev pob txha yog lub luag haujlwm rau nws qhov zoo meej. Nws yog them los ntawm lub taub hau mus rau ntiv taw nyob rau hauv cov pobzeb zoo li daim hlau thiab, ntawm chav kawm, ib tug grey patina ntawm fossilized tawv.
Shawn Funk, uas tau ua haujlwm hnyav hauv Millennium Mine, ua qhov kev tshawb pom xav tsis thoob thaum nws lub excavator tsoo qee yam khoom. Dab tsi tshwm sim yog cov pob zeb xim av walnut yog qhov tseeb cov pob txha pob txha ntawm 110 lab xyoo nodosaur. Lub imposing herbivore tau zoo txaus rau pem hauv ntej ib nrab - los ntawm snout mus rau lub duav - kom rov zoo.
Michael Greshko ntawm National Geographic hais tias "Lub dinosaur's petrified seem yog qhov xav tsis thoob.
“Cov fossilized seem ntawm daim tawv nqaij tseem npog cov pob txha armor daim hlau dotting tus tsiaj pob txha taub hau. Nws txoj cai forefoot nyob ntawm nws sab, nws tsib tus lej splayed upward. Kuv tuaj yeem suav cov nplai ntawm nws ib leeg, "sau Greshko.
Vim nws txoj kev faus hauv qab dej sai sai, tus dinosaur zoo li nws tau ua ntau lab xyoo dhau los. Raws li paleontologists, qhov tseeb tias nws cov ntaub so ntswg tsis decompose tab sis es tsis txhob fossilized yog tsawg heev.
Tsis zoo li nws cov txheeb ze ze ntawm Ankylosauridae, nodosaurs tsis muaj shin-splitting txog cov koom haum. Es tsis txhob, nws hnav cov ris tsho prickly kom cov tsiaj nyeg nyob ntawm qhov chaw. Lub 18-foot-ntev-ntev dinosaur, uas nyob rau lub sijhawm Cretaceous, tuaj yeem suav tias yog rhinoceros ntawm nws lub sijhawm.
