Sediments

Some articles on sediments, sediment:

Australodelphis - Type Locality
... to be named from Antarctica, and the first cetacean to be named from sediments dating after the final breakup of Gondwana ... All known specimens of Australodelphis were recovered from sediments of the Sørsdal Formation which outcrops at Marine Plain about 8 km south of Davis Station in the Vestfold Hills of ... dated at 4.5 to 4.1 million years old, placing the sediments in the Early Pliocene ...
Cambrian Substrate Revolution - Enabling Burrowing
... Microbial mats formed a blanket, cutting off the underlying sediments from the ocean water above ... This meant that the sediments were anoxic, and hydrogen sulfide (H2S) was abundant ... of the pore waters with oxygenated ocean water was essential to make the sediments inhabitable ...
Aquitaine Basin - Sedimentary Evolution - Jurassic - Lias
... Hettangian-Sinemurian sequence is fully transgressive over basement rocks or Permo-Triassic sediments ... At that time, the first open-marine sediments (yet rather poor in fossils) were being deposited in the Aquitaine Basin ... Sinemurian, characterised by calcareous-dolomitic, partially oolitic sediments ...
Supraglacial Lake - Sediments
... The character of the sediment depends upon this water source, as well as the proximity of a sampled area to both the edge of the glacier and the edge of the lake ... Sediments are dominated by coarser (coarse sand/gravel) fragments, and the accumulation rate can be immense up to 1 metre per year near the shores of ...
Sediment Profile Imagery - SPI-Scan A New Kind of SPI - Design Concept
... transparent face, mirror, and distilled water, whether the device descends into sediments like a periscope or is towed through the seabed like a plough (Cutter and Diaz 1998) ... Pushing anything into sediment requires displacing sand grains and replacing them with the imaging device without disturbing the neighbouring ... Using a wedge to displace the sediments requires considerable structural integrity and force, which increases the size, weight, and cost of building and ...

Famous quotes containing the word sediments:

    People who, out of an inborn moderation, leave every glass standing only half-emptied refuse to admit that everything in the world has its sediments and dregs.
    Friedrich Nietzsche (1844–1900)