Plate Tectonics

Structure and Evolution of the Oceanic Lithosphere / Asthenosphere System

PI(s):

James Gaherty

What is a plate? We undertake a comprehensive analysis designed to significantly advance our understanding of the structure and evolution of oceanic plates.

Tertiary Magmatism in East Greenland and Hotspot Magmatism Worldwide

PI(s):

Peter B. Kelemen

Layered intrusions in East Greenland, mostly close to the contact between PreCambrian gneisses and Tertiary flood basalts, are commonly several million years younger than the flood basalts.

CDPapua

PI(s):

Geoffrey A. Abers

PI(s):

James Gaherty

PI(s):

W. Roger Buck

Seismic imaging of active UHP exhumation in eastern Papua New Guinea

Website:

CDPapua

3D MCS investigation of the East Pacific Rise 9° 50’N

PI(s):

Suzanne M. Carbotte

PI(s):

John C. Mutter

In summer 2008 we conducted the first multi-streamer Multi-Channel Seismic program of Lamont’s new national marine seismic facility, the R/V Langseth.

Website:

3D MCS investigation of the East Pacific Rise 9° 50’N

Deep Earth Structure and Dynamics

Lamont scientists utilize a variety of observational and computational techniques to image and model the deep interior of the Earth, from crust to core.

MGDS: MediaBank

PI(s):

Vicki Ferrini

PI(s):

Suzanne M. Carbotte

The MGDS MediaBank contains high quality images, illustrations, animations and video clips that are organized into galleries.

Website:

MGDS: MediaBank

MGDS: Ridge 2000 Data Portal

PI(s):

Dale N. Chayes

PI(s):

Suzanne M. Carbotte

PI(s):

William B. Ryan

Access cruise information and data collected during Ridge2000 funded projects.

Website:

Ridge 2000 Data Portal

Ridge Multibeam Bathymetry Synthesis

PI(s):

Suzanne M. Carbotte

Mutibeam Bathymetry data from the global Mid-Ocean Ridge with access to related data.

Website:

Ridge Multibeam Bathymetry Synthesis

MGDS: MARGINS Data Portal

PI(s):

William B. Ryan

PI(s):

Suzanne M. Carbotte

Continental margins are the Earth's principal loci for producing hydrocarbon and metal resources, for earthquake, landslide, volcanic and climatic hazards, and for the greatest population density.

Website:

MARGINS Data Portal

MGDS: Global Multi-Resolution Topography (GMRT) - Create Maps and Grids

PI(s):

William B. Ryan

PI(s):

Suzanne M. Carbotte

Make your own maps and custom grids to download from our Global Multi-Resolution Topography (GMRT) database by selecting a geographic region or focus/study site.

Website:

Create Maps and Grids

MARGINS Program

PI(s):

Geoffrey A. Abers

Continental margins are the Earth's principal loci for producing hydrocarbon and metal resources, for earthquake, landslide, volcanic and climatic hazards, and for

Website:

MARGINS Program

Name	Title	Fields of interest
Gary Mesko	Graduate Research Fellow
Geoffrey A. Abers	Associate Director - Seismology, Geology and Tectonophysics	Earthquake seismology, imaging and tectonics of active plate boundaries
Suzanne M. Carbotte	Bruce C. Heezen/Lamont Research Professor	Marine Geophysics, Mid-Ocean Ridges, Multi-channel seismics, Hudson Estuary
Dallas Abbott	Adjunct Research Scientist
Delwayne R. Bohnenstiehl	Adjunct Associate Research Scientist	Seismotectonic Processes at Mid-Ocean Ridges, Passive Underwater Acoustics
Donna Shillington	Lamont Assistant Research Professor	Rifted margins, subduction zones, wide-angle reflection/refraction seismology, multi-channel seismic reflection data
Felix Waldhauser	Lamont Research Professor	earthquake seismology, seismotectonics of active plate boundaries, real-time seismology
Leonardo Seeber	Lamont Research Professor
Michael S. Steckler	Lamont Research Professor	Tectonics of Sedimentary Basins, Isostasy, Stratigraphic Modeling, Marine Geophysics

Volcano Expert Wins MacArthur ‘Genius Grant’

October 02, 2012

A geochemist who studies the workings of the deep earth and their influence on some of the world’s most explosive volcanoes has been awarded a $500,000 MacArthur Fellowship. Terry Plank, a researcher at Columbia University’s Lamont-Doherty Earth Observatory, joins novelist Junot Diaz, war correspondent David Finkel and filmmaker Natalia Almada in this year’s batch of MacArthur Fellows, who will receive $100,000 a year for five years, no strings attached. Maria Chudnovsky, a mathematician at Columbia’s Engineering School who studies the fundamentals of graph theory, also received a genius grant.
New Google Ocean Maps Dive Down Deep

June 08, 2011

Starting today, armchair explorers will be able to view parts of the deep ocean floors in far greater detail than ever before, thanks to a new synthesis of seafloor topography released through Google Earth. Developed by oceanographers at Columbia University’s Lamont-Doherty Earth Observatory from scientific data collected on research cruises, the new feature tightens resolution in covered areas from the former 1-kilometer grids to just 100 meters.
A Natural Wonder Rediscovered

February 22, 2011

Scientists using underwater sensors to explore Lake Rotomahana in New Zealand have uncovered remnants of the Pink Terraces,” once considered the eighth natural wonder of the world.
New Observations on Shape of Ocean Mountain Ranges Turn an Old Idea Upside Down

June 18, 2004

What causes the peaks and valleys of the world’s great mountains? For continental ranges like the Appalachians or the Northwest’s Cascades, the geological picture is clearer. Continents crash or volcanoes erupt, then glaciers erode away. Yet scientists are still puzzling out what makes the highs high and the lows low for the planet’s largest mountain chain, the 55,000-mile-long Mid-Ocean Ridge.


	Marie Tharp: Portrait of a Scientist	Earth Science Colloquium
	Landscapes Beneath Our Feet	Public Lecture, March 25, 2012
	Trench Rollback	From The Birth of Subduction to Global Plate Motions
	Plate Tectonics	Continental drift morphed into Plate Tectonics
	A New Era in Ocean Exploration	R/V Marcus Langseth