S.P. Crater Video Assignment

When did the volcanic activity start in Northern Arizona? 60,000 years ago 60 million years ago 6 million years ago 1,000 years ago 44767554610Answer: C 00Answer: C What kind of volcano is S.P.? Stratovolcano Composite volcano Shield volcano Cinder cone 44767573660Answer: D 00Answer: D Which type of volcano has the quickest formation? Stratovolcano Composite volcano Shield volcano Cinder cone 447675121285Answer: D 00Answer: D What kind of lava is associated with the S.P. cone? Andesite Basaltic Ryolitic Mafic 44767574295Answer: A 00Answer: A Where did most of the flowing lava come from? Broke out of bottom of cone Exploded from top of cone Ran down the side of the cone None of the above 447675112395Answer: A 00Answer: A What kind of lava formed from the lava flow? Aa Pahoehoe Tubes Blocks 43815092710Answer: A 00Answer: A In which direction has the San Francisco Volcano Field migrated? North to South South to North West to East East to West 43815092710Answer: C 00Answer: C How old is the youngest volcano in the San Francisco Volcano Field? 60,000 years 1,000 years 6,000 years 6 million years 48577592710Answer: B 00Answer: B How old is the S.P. crater? 60,000 years 1,000 years 6,000 years 6 million years 438150111760Answer: A 00Answer: A Short essay question: What indicates volcanic rock with trapped gases? 438150124460The volcanic rock will have a Vesicular texture due to trapped gases not being able to escape, so when the lava freezes it preserves the shape of the bubbles. 00The volcanic rock will have a Vesicular texture due to trapped gases not being able to escape, so when the lava freezes it preserves the shape of the bubbles.