What were the results of the Deep Sea Drilling Project?
As for the purpose of the scientific exploration, one of the most important discoveries was made when the crew drilled 17 holes at 10 different locations along an oceanic ridge between South America and Africa. The retrieved core samples provided strong proof for continental drift and seafloor renewal at rift zones.
What did we learn from the Deep Sea Drilling Project?
Over a half-century, scientific ocean drilling has proved the theory of plate tectonics, created the field of paleoceanography and redefined how we view life on Earth by revealing an enormous variety and volume of life in the deep marine biosphere. And much more remains to be learned.
What are the accomplishments of Ocean Drilling Program?
Major Scientific Accomplishments Scientific ocean drilling has advanced understanding of solid Earth cycles, revealed the flow of fluid and microbe ecosystems within the seafloor, and gathered extensive information on Earth’s climate history.
What was the significance of the 1968 Glomar Challenger expedition?
Purpose. Glomar Challenger was made to help Harry Hess with the theory of Seafloor Spreading by taking rock samples confirming that the farther from the Mid-ocean ridge, the older the rock was.
Which information did the Glomar Challenger study in 1968?
It investigated some 624 sites in the Atlantic, Pacific, and Indian oceans, not only revealing the presence of deep ocean salt domes (which themselves may indicate the presence of oil) but also supporting the theory of plate tectonics by providing evidence of continental drift and seafloor renewal.
How this important discovery Do proved Alfred Wegener’s theory?
Alfred Wegener produced evidence in 1912 that the continents are in motion, but because he could not explain what forces could move them, geologists rejected his ideas. Almost 50 years later Harry Hess confirmed Wegener’s ideas by using the evidence of seafloor spreading to explain what moved continents.
What did scientist learn about the drill rock samples found on the ocean floor?
At the end of the pipes was a drill that cut into the seafloor. The system collected long, thin cylinders (meters long and centimeters wide) of sediment and rock from beneath the seafloor, called cores. The cores provided evidence to confirm seafloor spreading and plate tectonics, but they also revealed much more.
When did the ocean drilling program started and what are the countries involved?
ODP, which began in 1985, was the successor to the Deep Sea Drilling Project initiated in 1968 by the United States. ODP was an international effort with contributions of Australia, Germany, France, Japan, the United Kingdom and the ESF Consortium for Ocean Drilling (ECOD) including 12 further countries.
How does ocean drilling support the theory of plate tectonics?
They also showed that layers of sediment were thinner at the crest and thickened farther out from that area. This showed that new oceanic crust was being formed along the plate boundary and then spreading out laterally, providing evidence to support the theory of seafloor spreading and plate tectonics.
How did the Glomar Challenger contribute to the theory of seafloor spreading quizlet?
The Glomar Challenger had a drilling rig that allowed scientists to obtain rock samples from the seafloor. Scientists found that the youngest rocks were located nearest the mid-ocean ridge, and that the ages of rocks become increasingly older in samples obtained farther from the ridges.
What was discovered by the Glomar Challenger project?
Which evidence originally supported houses idea of seafloor spreading in 1968?
Answer: Different types of evidence supported Hess’s theory of sea-floor spreading: eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves.