sediment cores
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Sediments That Tell a Story: Patagonian Ice Field Sediment Cores Reveal Glacial Waxing and Waning Over Thousands of Years
A recent study uses a sediment core to reconstruct paleoclimate in the early and middle Holocene and Neoglacial periods.
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At 90, Still Studying Ancient Pollen
Lamont’s Linda Heusser turned 90 years old on April 12, and the only birthday present she really wanted was another sediment core to study.
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Return of the R/V Pelican to Ocho Rios, Jamaica
The expedition discovered stresses along an underwater plate boundary and a record of historic and pre-historic earthquakes, which will shed light on the geohazard risks for Jamaica and Haiti.
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High Winds, Rough Seas, and Winch Problems
Researchers studying earthquake hazards in the Caribbean faced several challenges at sea, from rough weather to equipment failures.
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Mapping Offshore Faults in Kingston Bay
Motion along these faults is associated with the 1907 Kingston earthquake, which shook the capital of the island with a magnitude of 6.2
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WOW-ing and RAW-ing in the South Pacific
Despite all the “Waiting on Weather” and “Running Away from Weather,” the expedition recovered exciting new sedimentary climate records in the remote and notoriously stormy Southern Ocean.
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How a Drilling Ship Pulls Cores From 2.5 Miles Below the Sea
Recovering ancient seafloor sediments requires complicated machinery and a skilled crew.
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Wiggle Wrangling on a Core-Drilling Ship
A scientist explains how she lines up wiggles on a screen to recover the missing layers in cores drilled from the bottom of the ocean.
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After a Long Wait, Expedition 383 Drills its First Seafloor Core
It took six days to sail to Point Nemo, the most inaccessible point of the ocean on this planet, to drill a sample from the ocean floor.
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