maigma

maigma chattaanon ka pighla hua roop hai jiski rachana thos, aadhi pighli athva poori tarah pighli chattaanon ke dvaara hoti hai aur jo pruthvi ke satah ke neeche nirmit hota hai. maigma ke baahar nikalne vaale roop ko laava kehte hain.

maigma ke sheetalan dvaara aagneya chattaanon ka nirmaan hota hai. jab maigma jmeeni satah ke oopar aakar laava ke roop mein thanda hokar jamata hai to bahirbhedi aur jab satah ke neeche hi jam jaata hai to antarbhedi aagneya chattaanon ka nirmaan hota hai.

saamaanyat: jvaalaamukhi visfot mein maigma ka laava ke roop mein niklana ek pramukh bhoovaijnyaaanik kriya ke roop mein chihnit kiya jaata hai.

sandarbh