What volcanic events formed Crater Lake, Oregon? When did they take place?
A) Landslides and volcanic mudflows dammed the Mazama River 500 years ago.
B) The crater of a large, extinct cinder cone filled with water 5 million years ago.
C) Caldera collapse followed major ash and pyroclastic- flow eruptions 6000 years ago.
D) A powerful explosion blew away the top of a stratovolcano 10 million years ago.
Correct Answer:
Verified
Q36: Cinder cones _.
A) consist largely of pyroclastics
B)
Q37: Which type of basaltic lava flow has
Q38: Q39: Which one of the following statements concerning Q40: _magma is the most abundant type of Q42: Which of the following best describes Shiprock, Q43: The slopes of most cinder cones are
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents