2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ntau lub gemstones tsim nyob rau hauv lub ntiaj teb crust, kwv yees li 3 mus rau 25 mais hauv qab lub ntiaj teb nto. Ob lub gemstones, pob zeb diamond thiab peridot, pom ntau tob hauv lub ntiaj teb. Pob zeb diamond tsim nyob rau hauv "kimberlite kav" uas pib hauv lub ntiaj teb lub mantle (>125 mais) thiab xaus rau saum npoo.
Kuv tuaj yeem pom gemstones nyob qhov twg?
Ntxim Ntxim Saib Ntxim Ua Rau Kev Tua Tsiaj Teb Chaws Asmeskas
- Hiddenite, North Carolina.
- Murfreesboro, Arkansas.
- Spruce Pine, North Carolina.
- Franklin, North Carolina.
- Philipsburg, Montana.
- Amelia, Virginia.
- Virgin Valley, Nevada.
- Denio, Nevada.
Peb tuaj yeem nrhiav gemstones nyob qhov twg?
Muaj ntau lub pov haum sib txawv thoob ntiaj teb, nrog qee qhov loj yog: Southeast Asia uas suav nrog Sri Lanka, South East India, Myanmar (Burma), Thaib teb, Cambodia thiab Nyab Laj. Tag nrho cov cheeb tsam no yog txuam nrog metamorphic thiab bas altic deposits nrog granite intrusion ntawm pegmatites.
Lub pov haum tshaj plaws nyob hauv ntiaj teb nyob qhov twg?
South America muaj keeb kwm dav dav ntawm cov khoom siv pob zeb diamond thiab sib cav tsim qee cov qauv zoo tshaj plaws hauv ntiaj teb. Tawm ntawm South American lub pov haum tsim tawm, Brazil yog nyob deb ntawm qhov muaj txiaj ntsig tshaj plaws ntawm cov pob zeb hauv ntiaj teb.
pob zeb dab tsi yog gemstones pom nyob rau hauv?
Feem ntau cov pob zeb muaj nyob hauv pob zeb tsis muaj zog thiaballuvial gravels, tab sis cov pob zeb sedimentary thiab metamorphic kuj tseem muaj cov khoom pov thawj.
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.
