... to the microorganisms of interest and pulled them out of the deep sea sediment by simply applying a magnet. These microbes ... understood consortia are globally distributed in oceanic sediments above methane hydrates and provide a significant ...
... , and in particular the epic ebbs and flows of sea level and sediment over the course of geologic time, that is the primary cause of the world's periodic mass extinctions ...
Analysis of deep sea sediment cores has led to new data about the deep biosphere: 90 ... stored globally in tropical rainforests. Evidence from the sediment samples also shows that about 87 percent of the deep ...
... from the sediment cores can deliver information on the temporal and spatial changes of ocean currents and the extent of sea ... evidence of strong relocation processes in the deep-sea sediments", continues the geophysicist. "Many model representations ...
... and I first discovered magnetofossils in deep-sea sediments in the mid-1980s, we knew already that magnetotactic bacteria produced magnetite and then we looked ...
... , more than half were associated with organisms usually found in deep sea sediments and referred to as marine benthic group ... have estimated the rate of cell growth in some deep sea sediments to a cell division every thousand ...
... now at the bottom of today's Norwegian-Greenland Sea. Sediment cores taken from there contained a record ... taken from chemical and isotopic information in the same sediments, and compared this to computer modelling of climate in the period ...
... 's temperature in the past, they have to rely on other tools. One of these is deep-sea sediment cores (see Figure). Deep-sea sediments contain fossil remains of tiny marine creatures and other materials that sink to the ocean ...
... 's temperature in the past, they have to rely on other tools. One of these is deep-sea sediment cores (see Figure). Deep-sea sediments contain fossil remains of tiny marine creatures and other materials that sink to the ocean ...
... iron in seawater derived from bottom (benthic) sediments is increasingly recognised as being important. Around the continental ... (120 m water depth), and deep-sea sediments from the Southern Ocean around the Crozet ...
... are only a few millimeters in size and hide among the sediment particles. "Some scientists have likened deep mud ... coffee cup-sized sample of deep-sea sediment is a daunting challenge." Far rarer ...
(PhysOrg.com) -- From the Antarctic Ocean, Earth scientist Rob Dunbar blogs about the challenges of drilling ancient deep-sea sediments -- and what he's found in them.
... is partly reflected by a change in the color of deep-sea sediments — from creamy white to brown or grey ... with an impact debris layer, are unique in the deep-sea sediment record. "This is not a 'smoking gun,'" said Norris ...
... formations, polar ice cores and deep-sea sediments to describe how Earth finally thawed out. "This paper pulls together several recent studies ...
... " phenomenon he studied in disturbed sediment in the Dead Sea region, Prof. Marco says the new ... , the researchers considered the geometry of the shapes they found in the Dead Sea sediment and combined it with a number of other parameters found in physical ...