Bentuk-Bentuk Ekstrusi Magma
Setelah mempelajari materi ini, peserta didik diharapkan mampu menentukan bentuk-bentuk ekstrusi magma dengan benar.
PERTANYAAN
Material apa saja yang dikeluarkan saat gunung berapi meletus? Apakah material tersebut berguna?
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwj3h_P359_lAhXOIbcAHX3_Dg0QjRx6BAgBEAQ&url=https%3A%2F%2Fwww.bbc.co.uk%2Fbitesize%2Farticles%2Fzrj6gwx&psig=AOvVaw0GT1nHwW-KY1elWo6ngMYI&ust=1573481036900530
LANDASAN TEORI
Ekstrusi magma merupakan proses keluarnya magma dari dalam Bumi dan sampai ke permukaan Bumi. Beberapa material yang dikeluarkan dari aktivitas ekstrusi magma antara lain adalah:
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwiL5dX47d_lAhWo7HMBHU7fC8AQjRx6BAgBEAQ&url=https%3A%2F%2Fpenelopes-melts.co.uk%2Fproduct%2Fnatural-pumice-stones-200g%2F&psig=AOvVaw2rAoC0WrCKZTv46lf-W-xF&ust=1573482644022969
Komposisi magmanya biasanya cenderung asam/felsik, dengan viskositas yang tinggi. Jika berkomposisi basalt atau andesit dinamakan skoria atau cinder dengan lubang vesikulernya yang lebih dalam.
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwjz3Zjb79_lAhXWfX0KHZf7ARcQjRx6BAgBEAQ&url=https%3A%2F%2Fapp.emaze.com%2F%40ATWICQIF&psig=AOvVaw0Yn9mNX8wb6mEFh814YpXF&ust=1573483039280680
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https://www.google.com/url?sa=i&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwiFprKW8d_lAhWJL48KHdUGCwwQjRx6BAgBEAQ&url=%2Furl%3Fsa%3Di%26source%3Dimages%26cd%3D%26ved%3D%26url%3Dhttps%253A%252F%252Fwww.123rf.com%252Fphoto_49379357_volcanic-bombs-on-montana-blanca-teide-national-park-tenerife-canary-islands-spain.html%26psig%3DAOvVaw3dcEwWIcCGJ-SuxCxgWJOu%26ust%3D1573483449197373&psig=AOvVaw3dcEwWIcCGJ-SuxCxgWJOu&ust=1573483449197373
https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwi1kvrF8d_lAhXRbSsKHZChB6AQjRx6BAgBEAQ&url=https%3A%2F%2Fwww.swisseduc.ch%2Fstromboli%2Fglossary%2Flapilli-en.html&psig=AOvVaw00Pb0uaHAQT0w4ZAxU1BZY&ust=1573483645155782
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PRAKTEK
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