Dab tsi yog cov pob zeb tseem ceeb hauv granite?
Dab tsi yog cov pob zeb tseem ceeb hauv granite?

Video: Dab tsi yog cov pob zeb tseem ceeb hauv granite?

Video: Dab tsi yog cov pob zeb tseem ceeb hauv granite?
Video: Yuav cog ib tsob ntoo li cas thiaj yog | How to plant a tree 2024, Kaum ib hlis
Anonim

Granite yog tsim los ntawm quartz thiab feldspar nrog me me ntawm mica , amphiboles, thiab lwm yam minerals.

Tsis tas li ntawd, dab tsi yog 3 lub ntsiab minerals hauv granite?

Nws muaj coarse nplej ntawm quartz (10-50%), poov tshuaj feldspar , thiab sodium feldspar . Cov zaub mov no ua rau ntau tshaj 80% ntawm pob zeb. Lwm cov zaub mov muaj xws li mica (muscovite thiab biotite) thiab hornblende (saib amphibole).

Tsis tas li ntawd, cov khoom ntawm granite yog dab tsi? Granite yog ib qho nyuaj, ntxhib-grained pob zeb ua rau feem ntau ntawm lub ntiaj teb. Nws muaj qhov tseem ceeb ntawm peb cov ntxhia : quartz, alkali feldspar (uas muaj alumina thiab silica) thiab plagioclase feldspar (uas muaj sodium thiab calcium). Nws kuj muaj me me ntawm cov ntxhia xws li hornblende thiab biotite mica.

Tsis tas li ntawd, muaj pes tsawg minerals nyob hauv granite?

Hais lus nruj, granite yog lub pob zeb uas tsis muaj zog nrog ntawm 20% thiab 60% quartz los ntawm ntim, thiab tsawg kawg 35% ntawm tag nrho cov feldspar suav nrog alkali feldspar, txawm hais tias feem ntau lo lus " granite "yog siv los xa mus rau ntau yam ntawm cov pob zeb ntxhib-grained igneous pob zeb uas muaj quartz thiab feldspar.

Dab tsi minerals nyob rau hauv liab granite?

Pink granite, zoo li lwm cov granites yog cov pob zeb intrusive igneous feem ntau muaj feldspar , quartz , mica & amphibole cov ntxhia.

Pom zoo: