Which coastlines most closely match each other and are therefore used as evidence?
Answer: The close fit between the coastlines of Africa and South America can be used as proof to support the theory given by Wegener.
Which statement best describes the theory of plate tectonics?
Answer: The statement that best describes the theory of plate tectonics is the one that says that sections of Earth’s continents are in slow constant movement.
Which information does the Glomar Challenger study in 1960?
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.
Why was the Glomar Challenger a success?
Scrapping. After being operated for fifteen years, Glomar Challenger’s active duty was ended during November 1983 and she was later scrapped. Her successor, JOIDES Resolution, was launched during 1985. The ship was a success in collecting rock samples and helped to confirm the Messinian Salinity Crisis theory.
What is the purpose of deep sea drilling?
The Deep-Sea Drilling Project (DSDP) was a scientific program for drilling cores of sediment and basaltic crust beneath the deep oceans and recovering them for study. The drilling began in 1968, using the ship Glomar Challenger, and ended in 1983.
How did the Glomar Challenger contribute to the theory of seafloor spreading?
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. Click to see full answer.
Who proposed the idea of Pangea?
Alfred Wegener
How does Ocean Drilling support the theory of plate tectonics?
The Deep Sea Drilling Project (DSDP) was an ocean drilling project designed to analyze the ocean floor. 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.
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.
Is Deep Sea Drilling real?
While deep sea drilling has been achieved at a depth of 7,725m for scientific and research purposes, the new well being undertaken by Total will hold the world record for the deepest oil well ever drilled.
What is deep sea coring?
The Ocean Sediment Coring Program is providing samples of sediments and a small amount of crystalline volcanic or igneous rock from far beneath the floor of the deep ocean basins. Drilling uses largely proven and conventional rotary drilling technology.
Are there deep sea drilling?
Deepwater drilling, or Deep well drilling, is the process of creating holes by drilling rig for oil mining in deep sea. There are approximately 3400 deepwater wells in the Gulf of Mexico with depths greater than 150 meters.
How deep do drilling rigs go?
How deep do Offshore Rigs drill? Depending on the rig type, offshore rigs are rated to drill in water depths as shallow as 80 feet to as great as 12,000 feet. The greatest water depth a jackup can drill in is 550 feet, and many newer units have a rated drilling depth of 35,000 feet.
What is the deepest underwater drill?
The Japanese drillship Chikyu has drilled almost 2 miles into the ocean floor, the deepest we’ve dug in the ocean for science. BP’s Deepwater Horizon, which was lost in the infamous explosion and oil spill in 2010, holds the overall record for deepest offshore hole at about 5 miles below the sea floor.