Cov ammonite no muaj nyob hauv Cretaceous marine Bearpaw Shale Formation nyob rau sab qab teb-central Alberta, nyob ib ncig ntawm lub nroog Lethbridge. Cov pob zeb sib sib zog nqus no tau nthuav tawm hauv cov pob zeb eroding raws ntug dej. Cov formations no tawm los ntawm peb hom ammonites.
Kuv tuaj yeem nrhiav ammonite fossil nyob qhov twg?
Feem ntau ntawm cov ammonites khaws cia zoo heev muaj nyob hauv cov limestonethiab tuaj yeem pom hauv limestone nodules lossis pw xoob ntawm lub puam. Lub pob zeb no yog ib qho nyuaj heev thiab yuav xav tau ib tug zoo geological rauj thiab tej zaum ib tug chisel faib.
Qhov chaw zoo tshaj plaws nrhiav ammonite fossils nyob qhov twg?
Jurassic ntug dej hiav txwv, Dorset mus rau East Devon Jurassic Coast, Dorset to East Devon. Cov khaubncaws sab nraud povtseg hauv lub ntiaj teb tuaj yeem rub tawm los ntawm txhais tes, lossis rub nrog ib rab chais, kom nthuav tawm cov ammonite ntau ntau. Raws li qhov no yog ib feem ntawm lub ntiaj teb cov cuab yeej cuab tam, koj yuav tsum tsis txhob rauj ncaj qha rau ntawm pob tsuas.
Kuv tuaj yeem khawb qhov Ammolite nyob qhov twg?
Lub Bearpaw Tsim yog nthuav tawm ntawm lub ntiaj teb nto nyob rau hauv qhov chaw ntawm Alberta, Saskatchewan, Montana, thiab Utah Tsuas yog thaj chaw paub tias tau txais lub pov haum zoo-zoo Ammolite hauv kev lag luam nyiaj nyob nrog tus dej St. Mary nyob rau sab hnub poob Alberta, tab sis me me ntawm lub pov haum Ammolite tau pom nyob rau lwm qhov chaw.
Dab tsi yog xim tsis tshua muaj ntawm ammolite?
Ammolite tuaj yeem muaj xim ntawm zaj sawv tab sis feem ntau yog ntsuab thiab liab. xiav thiab violet tsis tshua muaj thiab, feem ntau, muaj nqis dua.
