Classic piv txwv tshwm sim nyob rau hauv toj siab thiab sab qab teb ntawm Scotland, Lake District of Ireland, Vosges, Hav zoov Dub, thiab lub roob Harz Lamprophyres qhia muaj lub siab nyiam rau huab cua thiab decompose. Ntau yam tau hloov pauv, tsis muaj qhov tsis ntseeg, thaum cov pob zeb nteg qee qhov deb ntawm qhov chaw.
pob zeb pegmatite nyob qhov twg?
Cov pob zeb nyuaj pob zeb pegmatite thiab spodumene muaj nyob hauv Australia. Nyeem Lithium Mining Hnub no tuaj yeem cuam tshuam dab tsi koj tsav yav tom ntej kom paub ntau ntxiv txog kev rho tawm lithium thiab lwm yam peev txheej ntawm lithium.
Kimberlite pob zeb pom nyob qhov twg?
Feem ntau hais lus, kimberlites tsuas yog pom nyob rau hauv cratons, qhov qub tshaj plaws uas muaj sia nyob ntawm cov teb chaws sab av loj, uas tsim cov nuclei ntawm thaj av av loj thiab tseem tsis tau hloov pauv txij li lawv tsim eons dhau los..
Koj pom peridotite nyob qhov twg?
Peridotite yog lub pob zeb tseem ceeb ntawm sab sauv ntawm lub ntiaj teb lub mantle Cov khoom xyaw ntawm peridotite nodules pom nyob rau hauv qee yam bas alts thiab pob zeb diamond kav (kimberlites) yog qhov txaus siab tshwj xeeb, vim lawv muab Cov qauv ntawm lub ntiaj teb lub mantle coj los ntawm qhov tob li ntawm 30 km txog 200 km lossis ntau dua.
Lamprophyre tsim li cas?
Kev faib tawm. Lamprophyres feem ntau yog txuam nrog voluminous granodiorite intrusive ntu. Lawv tshwm sim li marginal facies rau qee qhov granites, tab sis feem ntau yog dikes thiab sills marginal rau thiab hla cov granites thiab diorites. Hauv lwm cheeb tsam uas granites muaj ntau tsis muaj pob zeb ntawm chav kawm no paub.
