Read the information below, and in your journal, explain what sort of plate boundary may be
responsible for the geological features in the picture above as well as the ones described in this
text.  Support your statements with evidence.  Explain how the plate boundary produces the
geological features described in the text and the picture.  (5-6 sentence minimum)

This postage stamp shows a volcano in east Africa.  The volcano is in the middle of a large valley
that runs up and down the eastern part of Africa.  There are several other volcanoes like it (Mt.
Kilomanjaro is the most famous).  There are also many lakes filling the valley and a lot of alluvial
fans along the edges of the valley.  The volcanoes produce basaltic lava that comes from partial
melting of the upper mantle.
In your journal, explain what sort of plate boundary may be responsible for the creation of the
Indonesian volcanic island chain.  Support your statements with evidence from the picture.  
Explain how the plate boundary produces the geological features here (volcanoes,
earthquakes, tsunamis, a trench which is under the ocean just south of the islands, an island
chain).  (5-6 sentences minimum)
In your journal, explain what sort of plate boundary may be responsible for what you see.  
Support your statements with evidence from the picture.  Explain how the plate boundary
produces the geological features here (offset streams, general shift of the landscape, faults,
earthquakes. (5-6 sentences minimum)
BONUS OPEN RESPONSE!

http://sangay.wordpress.com/page/6/?archives-list=1 11/7/10

Mount Tungurahua, one of the most active volcanoes in the Andes Mountains.  The Andes
are a volcanic mountain range that runs up and down the west coast of South America.  The
volcanoes are very tall, which can only happen if the magma that feeds them is NOT runny like
basaltic magma is.  West of these volcanic mountains is a deep ocean trench.  The largest
earthquake in recorded history was in this region, and many tsunami waves have been
generated by earthquakes in this area.

Based upon what you have just read, create a top down web showing what sort of plate
boundary is responsible for these geologic features and why you think so.  Then use that top
down web to write a 5-6 sentence paragraph about what plate boundary this is and why you
think so.