Tag: marine geology2
-
New Study Upends a Theory of How Earth’s Mantle Flows
A new study carried out on the floor of Pacific Ocean provides the most detailed view yet of how the earth’s mantle flows beneath the ocean’s tectonic plates.
-
Zeroing in on Life Around a Hydrothermal Vent
Vicki Ferrini has spent a lot of time working on mapping the ocean floor, and now she’s sailing in the South Pacific to get a closer look.
-
Dennis E. Hayes, Mapper of the World’s Ocean Beds
Dennis E. Hayes, a marine geophysicist who advanced mapping of the world’s ocean floors, died at his home in New York City on Aug. 6. He was 76.
-
Abyssal Rhythm
Since the dawn of mankind, I imagine we’ve gazed In wonder and awe at the sky’s starry crown; More recently, we have been deeply amazed By the long-obscured, staggering view looking down To the depths of the sea, through crust, and below…
-
Photo Essay: Exploring the Rocks That Join the Americas
The formation of the slender land bridge that joins South America and North America was a pivotal event in earth’s history. At its narrowest along the isthmus of Panama, it changed not just the world map, but the circulation of oceans, the course of biologic evolution, and global climate. Cornelia Class, a geochemist at Columbia…
-
Photo Essay: High Desert, Deep Earth
In the Arabian peninsula nation of Oman, geologists are studying the Hajar mountains–a range containing rocks that have been thrust up from the deep earth. Accessible to humans in only a few places on earth, these kinds of rocks offer clues to the planet’s deep history–and possible ways that natural processes may be harnessed to…
-
A Talk with Sean Solomon, Lamont-Doherty’s New Director
“The Observatory has remained a powerhouse in Earth science research and a very special place. The scientists here are true explorers—creative and fiercely independent.”
