Video: Dab tsi ntawm pob zeb muaj nyob hauv Adirondacks?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Keeb kwm, cov pob zeb ntawm tus sab qab teb sab hnub tuaj Adirondacks feem ntau yog sedimentary pob zeb txheej nrog volcanic pob zeb , thiab tus laus tshaj paub pob zeb yog nyob rau hauv ib pawg ntawm inter-layered sandstones, limestones, shales, thiab volcanics.
Ntawm no, dab tsi ntawm cov pob zeb metamorphic pom nyob rau hauv nruab nrab Adirondacks?
Feem ntau pob zeb ntawm Adirondacks yog ntawm metamorphic xwm: metasedimentary, metavolcanic, thiab metaplutonic yog tag nrho tam sim no.
Qhov twg yog cov pob zeb qub tshaj plaws hauv New York State? Precambrian Fossils Cov no yog cov pob zeb qub tshaj plaws nyob rau ntawm qhov chaw hauv Northeast. Hauv New York, Precambrian pob zeb tau nthuav tawm feem ntau hauv Adirondack cheeb tsam nyob rau sab qaum teb ntawm lub xeev.
Ntawm no, hom pob zeb twg feem ntau muaj cov pob txha?
sedimentary pob zeb
Puas yog Adirondacks ib feem ntawm Appalachians?
Cov Adirondack Cov roob hauv New York qee zaum suav tias yog ib feem ntawm Appalachian saw tab sis, geologically hais lus, yog ib tug yav qab teb txuas ntxiv ntawm Laurentian Toj siab ntawm Canada.
Pom zoo:
Dab tsi yog qhov txawv ntawm cov pob zeb tsis foliated thiab foliated metamorphic pob zeb?
Foliated metamorphic pob zeb xws li gneiss, phyllite, schist, thiab slate muaj ib txheej txheej los yog banded zoo li uas yog tsim los ntawm raug tshav kub thiab qhia siab. Non-foliated metamorphic pob zeb xws li hornfels, marble, quartzite, thiab novaculite tsis muaj txheej txheej lossis banded zoo li
Lub npe rau lub pob zeb nruab nrab ntawm cov pob zeb uas txias heev yog dab tsi?
Extrusive igneous pob zeb
Puas muaj cov pob txha pom nyob hauv cov pob zeb sedimentary?
Ntawm peb hom pob zeb loj, fossils feem ntau pom muaj nyob hauv pob zeb sedimentary. Tsis zoo li feem ntau cov pob zeb igneous thiab metamorphic, cov pob zeb sedimentary tsim ntawm qhov kub thiab txias uas tsis rhuav tshem cov pob txha
Dab tsi yog cov pob zeb niam txiv ntawm cov pob zeb metamorphic?
Metamorphic pob zeb Metamorphic pob zeb Texture Niam txiv pob zeb Phyllite Foliated Shale Schist Foliated Shale, granite thiab volcanic pob zeb Gneiss Foliated Shale, granite thiab volcanic pob zeb Marble Nonfoliated Limestone, dolostone
Dab tsi ntawm pob zeb ua rau ib qho chaw pob zeb?
Sedimentary pob zeb