Which compelling piece of evidence supported the theory of seafloor spreading?
W) The discovery and mapping of magnetic stripes on the seafloor
X) The discovery of deep earthquakes along the Pacific Rim by Charles Richter
Y) The recordings of submarine volcanic activity along mid-ocean ridges in the 1970s
Z) Sir Edward Bullard's geographic fit of the continents
Answer: W
Geology
- Which of the following is a component of siliceous ooze?
- What is an example of a hydrogenous sediment?
- What is the range of fine sand, on the Wentworth scale of particle size?
- Which of the following is NOT a type of marine phytoplankton that makes up a major portion of marine sediments?
- Which of the following is NOT a scientific classification of a coral reef type?
- Where is the feature called the Moho situated?
- What type of plate is the San Andreas fault?
- Approximately, when did the North America began to separate from Europe?
- When does the higher berm on a beach form?
- What type of deposits are formed by conditions no longer existing in that area?
- Which of the following would be used to show the relationship between the height of the land and the depths of the ocean basins?
- Where does the relative motion of a transform fault occur?
- What area did Project FAMOUS explore?
- Which of the following is NOT a clay mineral found in marine sediments?
- Which of the following was the basis of geologists' current estimate of the Earth's age?