2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Stratigraphic nomenclature: Yuav ua li cas pob zeb hu ua Ib tug ooid yog ib tug me me spherical lis uas tsim thaum ib tug particle ntawm xuab zeb los yog lwm yam nucleus yog coated nrog concentric txheej ntawm calcite los yog lwm yam minerals. Ooids feem ntau tsim nyob rau hauv ntiav, yoj-agitated marine water.
Nyob hauv hom pob zeb twg yog ooids feem ntau yuav tsim?
Ooids feem ntau yog tsim los ntawm calcium carbonate (calcite lossis aragonite), tab sis tuaj yeem tsim los ntawm phosphate, av nplaum, chert, dolomite lossis hlau minerals, suav nrog hematite. Dolomitic thiab chert ooids feem ntau yuav yog qhov tshwm sim ntawm kev hloov pauv ntawm qhov kev ntxhib los mos hauv limestone.
pob zeb limestone nyob qhov twg?
Feem ntau yog pom nyob rau hauv qhov chaw ntiav ntawm dej hiav txwv nruab nrab ntawm 30 degrees sab qaum teb latitude thiab 30 degrees sab qab teb latitude. Limestone yog tsim nyob rau hauv Caribbean Hiav Txwv, Dej Hiav Txwv Khab, Persian Gulf, Gulf of Mexico, nyob ib ncig ntawm dej hiav txwv Pacific Islands, thiab nyob rau hauv lub Indonesian archipelago.
Yog ooids pob txha?
allochemical pob zebOöids (tseem hu ua oölites lossis oöliths) yog cov xuab zeb loj spheres ntawm calcium carbonate av nkos concentrically laminated txog qee yam nucleus grain, tej zaum ib cov pob txha tawg lossis cov pob zeb me me detrital quartz. nplej.
Oolitic limestone tsim li cas?
Oolitic limestone yog tsim los ntawm cov me me hu ua ooiliths uas tau daig ua ke los ntawm cov av nkos. Lawv tsim thaum calcium carbonate tso rau saum npoontawm cov xuab zeb dov (los ntawm nthwv dej) ncig ntawm ntug hiav txwv ntiav.
Pom zoo:
Pob zeb zeb nyob qhov twg?
Lub Xeev University of New York ntawm Stony Brook, feem ntau hu ua Stony Brook University, yog lub tsev kawm tshawb fawb pej xeem hauv Stony Brook, New York hauv nroog Brookhaven. Nws yog ib qho ntawm plaub lub tsev kawm ntawv qib siab ntawm State University of New York system.
Nyob rau hauv cov pob zeb feldspar pob zeb hauv qhov twg?
Feldspars crystallize los ntawm magma raws li ob qho tib si intrusive thiab extrusive igneous pob zeb thiab tseem muaj nyob rau hauv ntau hom metamorphic pob zeb. Pob zeb tsim yuav luag tag nrho ntawm calcic calcic Raws li ib qho alkaline ntiaj teb hlau, calcium yog cov hlau reactive uas tsim cov txheej tsaus nti oxide-nitride thaum raug huab cua.
Lub pob zeb pob zeb nkauj xwb nyob qhov twg?
Virgin Galactic pib pib SpaceShipTwo SpaceShipTwo SpaceShipTwo SpaceShipTwo tus neeg caij nkoj yog 3.7 m (12 ft) ntev thiab 2.3 m (7 ft 7 hauv) inch. Lub tis ncua yog 8.2 m (27 ft), qhov ntev yog 18 m (59 ft) thiab tus Tsov tus tw siab yog 4.
Nyob hauv cov pob zeb tsis pom kev thiab cov pob zeb metamorphic?
Muaj peb hom pob zeb: igneous, sedimentary, thiab metamorphic. Igneous pob zeb tsim thaum molten pob zeb (magma los yog lava) txias thiab solidifies. … Metamorphic pob zeb tshwm sim thaum cov pob zeb uas twb muaj lawm hloov los ntawm tshav kub, siab, los yog reactive kua, xws li kub, mineral-laden dej.
Pob zeb muaj hnub nyoog chaw txua txiag zeb nyob qhov twg?
Lub ntiaj teb qhov loj tshaj plaws qhov chaw txua txiag zeb, nyob hauv Graniteville, Vermont! Qhov twg yog qhov chaw txua txiag zeb loj tshaj plaws hauv ntiaj teb? Mount Airy, lub npe menyuam yaus "Lub Nroog Granite," yog lub tsev loj tshaj plaws qhib ntsej muag granite chaw txua txiag zeb hauv ntiaj teb.
