We are going to have a look at rock types through using these 2 webquests below.
Discover How Rocks Are FormedStudents will work on these in pairs. Students will need to compile basic research notes as they go - you may choose which format is best for you for note taking.
Add 3 things to rock types vocab list as you go - remember once it's on the vocab list you can't add it again, so search for interesting information that others will enjoy reading!! :-)
Post your notes here
Hinuera ignimbrite
Hinuera ignimbrite (often marketed as Hinuera stone) is a yellow-cream to pale-brown ignimbrite containing angular fragments of pumice in a fine-grained matrix of volcanic ash. It is still quarried today, and widely used for cladding buildings in the North Island.
Andesite is a fine-grained, extrusive igneous rock composed mainly of plagioclase with other minerals such as hornblende, pyroxene and biotite. The specimen shown is about two inches (five centimeters) across.
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