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126-Tuff $9.00
Mystery includes rock, fossil, or mineral sample and Mystery questions with teaching instructions.

SAMPLE:
-- A piece of ASH FLOW TUFF (IGNIMBRITE also known as, 'WELDED' TUFF) that clearly shows angular bits of lava, country rock, pumice, etc cemented with welded ash


TEACHING OBJECTIVES:
-- To introduce ash flow tuff that travels dangerously fast down the side of volcanoes
-- To open a discussion about how volcanic ash is deposited as thick beds of welded tuff
-- To practice converting kilometers per hour to miles per hour

GRADES 5-8
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Ruth Deike
Rock Detective Geoscience Education
395 Deer Run Drive
Nellysford , VA 96080

Phone: 434-263-3737

EMAIL:

 

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