Lub sijhawm Carboniferous, Virginia yog equatorial thiab sov hiav txwv txhawb nqa lub neej nplua nuj thiab kev tso tawm ntawm limy sediments. Niaj hnub no, limestones tsim los ntawm cov sediments yog nplua nuj nyob rau hauv fossils ntawm bryozoans thiab cov txheeb ze ntawm hiav txwv urchins thiab xuab zeb nyiaj.
Lub Ntiaj Teb Tebchaws nyob qhov twg thaum lub sijhawm Carboniferous?
Geologically, lub caij Carboniferous kev sib tsoo ntawm Laurasia (tam sim no Europe, Asia, thiab North America) rau Gondwana (tam sim no Africa, South America, Antarctica, Australia, thiab Is Nrias teb) tsim Appalachian Roob siv ntawm sab hnub tuaj North America thiab toj siab Hercynian hauv tebchaws United Kingdom.
toj roob hauv pes zoo li cas hauv lub sijhawm Carboniferous?
yam ntxwv ntawm lub sijhawm Carboniferous (los ntawm kwv yees li 360 lab mus rau 300 lab xyoo dhau los) yog nws dense thiab swampy forests, uas ua rau loj deposits ntawm peat. Nyob rau hauv lub eons lub peat hloov mus rau hauv nplua nuj khw muag khoom nyob rau hauv Western Europe thiab North America.
Cov xwm txheej loj dab tsi tshwm sim thaum lub sijhawm Carboniferous?
Lub Sijhawm Carboniferous: Nroj Tsuag Npog Lub Ntiaj Teb
- Shifting Continents Tsim Roob Raws Li Pangea Yug. …
- Invertebrates Pab Txhawb Kom Tsim Cov Limestone. …
- Lub Lophophorata. …
- Lub Trilobites. …
- Cov placoderms, los yog armored ntses, uas tau txiav tximLub hiav txwv Devonian, tau ploj mus nrog qhov kawg ntawm lub sijhawm Devonian.
Dab tsi ploj mus thaum lub sijhawm Carboniferous?
Qee cov kab mob benthic uas tau tshwm sim rau thaum ntxov thiab nruab nrab Paleozoic lub sijhawm pib poob qis thaum Carboniferous. Cov no suav nrog trilobites (uas tau ploj mus thaum kawg ntawm Permian), rugose corals, thiab sponges. Lub pelagic, los yog dej kem, ib puag ncig tau nyob los ntawm ntau yam ntawm cephalopods.
