Volcanic Ashes

these are my tweets about volcanic ashes earlier this morning:

@hgunawan82: “@agustiana81: Abu vulkanik itu apa? Dan kenapa warnanya kayak gitu? Kira2 bs dipakai apa ya?#anakbertanya @d_erwin_irawan bisa jawab?

@d_erwin_irawan: @hgunawan82 @agustiana81 #anakbertanya:ini summarynya:

letusan gnapi melonyarkan materi lava pijar n piroklastik (px). Px adl materi padat. Materi padat sehalus abu-sebesar rmh. Materi besar&berat jatuh tdk jauh dr kepundan.Materi halus akan terbang jauh terbawa angin. Warna abu gnapi abu2 muda-gelap krn kaya mineral logam. Abu/tanah gnapi subur, krn itu sering jd campuran pupuk,jg jd camp semen krn mengandung unsur logam, jd campuran bahan keramik, n bahkan di banyak tempat bahkan bisa jd campuran kosmetik mama🙂. Lengkapnya menyusul🙂 jgn lupa pakai masker ya.

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