sediment sample

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• Sediment Profile Imagery — (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is used to measure or estimate biological, chemical, and physical processes occurring in the first few centimetres of… …   Wikipedia

• Sediment trap — Sediment traps are instruments used in oceanography to measure the quantity of sinking particulate organic (and inorganic) material in aquatic systems, usually oceans. This flux of material is the product of biological and ecological processes… …   Wikipedia

• Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the… …   Wikipedia

• undersea exploration — Introduction       the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments       Included in the scope of undersea exploration are the physical and chemical… …   Universalium

• Micromollusk — Numerous shells of the freshwater snail Potamopyrgus antipodarum compared to an American dime, which is 18 mm in diameter …   Wikipedia

• Micropaleontology — Fusulinid (Triticites) from the Plattsmouth Chert, Red Oak, Iowa (Permian). Micropaleontology (also sometimes spelled as micropalaeontology) is the branch of paleontology that studies microfossils. Contents …   Wikipedia

• Brent Spar — or Brent E, was a North Sea oil storage and tanker loading buoy in the Brent oilfield, operated by Shell UK. With the completion of a pipeline connection to the oil terminal at Sullom Voe in Shetland, the storage facility had continued in use but …   Wikipedia

• Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… …   Wikipedia

• Marine pharmacognosy — For many years, traditional Western pharmacognosy focused on the investigation and identification of medically important plants and animals in the terrestrial environment, although many marine organisms were used in Traditional Chinese Medicine.… …   Wikipedia

• Elutriation — Elutriation, also known as air classification, is a process for separating lighter particles from heavier ones using a vertically directed stream of gas or liquid (usually upwards). This method is profoundly used for particles with size (>1ųm)… …   Wikipedia

• K. Megan McArthur — NASA Astronaut Nationality American Status Active …   Wikipedia