Topic: Volcanoes
An opening in the crust where magma and gases erupt Form at: Volcano
Diamond Head in Hawaii. Sailors thought calcite crystals in the rocks were diamonds. Diamond Head formed as hot magma hitting ocean water, causing explosions that threw exploded magma particles (tuff) into a broad ring.
Mount St. Helens
Steep slope + loose volcanic debris + heavy rains Vesuvius – 79AD
Mt. Vesuvius, Italy
Hot Spots - (Find them on page 5 of the ESRT )
Hawaiian Islands
Oldest Hawaiian Island: Kaui Youngest Hawaiian Island in the Making: Loihi
45 miles wide
Geyser - ex) -
FQ What state will the Yellowstone hot spot be found in the future?