Andesite lava yog ib hom pob zeb volcanic uas feem ntau pom muaj nyob hauv thaj chaw volcanic thoob ntiaj teb. Nws yog tsim los ntawm kev sib xyaw ntawm cov zaub mov, suav nrog plagioclase, pyroxene, thiab hornblende. Nov yog qee cov yam ntxwv ntawm andesite lava:
1. Xim: Andesite lava tuaj yeem muaj xim ntawm grey mus rau dub. Nws yog feem ntau speckled nrog lwm cov pob zeb, xws li dawb feldspar.

Honed grey andesite

Dub Basalt Flamed Vuas
2. Kev ntxhib los mos: Andesite lava muaj kev ntxhib los mos zoo nkauj, uas txhais tau hais tias nws yog tsim los ntawm cov muaju me me uas nyuaj rau pom ntawm qhov muag liab qab.
3. Qhov ntom ntom: Andesite lava yog qhov ntom ntom, nrog lub ntiajteb txawj nqus ntawm 2.5 thiab 2.8.
4. Viscosity: Andesite lava muaj qhov nruab nrab viscosity, uas txhais tau hais tias nws tsis yog tuab heev los yog ntws dhau.
5. Kub: Andesite lava feem ntau muaj qhov kub thiab txias ntawm 800 txog 1000 degrees Celsius.
6. Eruption style: Andesitic volcanoes zoo li tawg tawg, nrog kev sib xyaw ntawm pyroclastic ntws thiab lava ntws.
7. Kev Siv: Andesite lava yog siv rau ntau yam sib txawv, nrog rau kev tsim kho, kev tsim kho vaj tse, thiab ua cov pob zeb zoo nkauj.
Zuag qhia tag nrho, andesite lava yog lub pob zeb zoo nkauj volcanic uas muaj ntau yam zoo. Nws yog qhov muaj txiaj ntsig zoo rau ntau qhov kev lag luam sib txawv thiab yog qhov tseem ceeb hauv kev nkag siab txog keeb kwm ntawm lub ntiaj teb.





