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Deuterium- and 15N-signatures of organic globules in Murchison and Northwest Africa 801 meteorites
meteorites isotope imaging H and N isotope anomalies organic matter aqueous alteration
2017/4/10
Carbonaceous matter from the matrix of the Murchison (CM2) meteorite and Northwest Africa (NWA) 801 (CR2)
meteorite that were extremely rich in deuterium (D) and 15N was studied using in situ isotope...
Sediment properties influencing upwelling spectral reflectance signatures: The “biofilm gel effect”
Sediment properties influencing spectral reflectance signatures The “ biofilm gel effect”
2014/5/19
Microbial communities often produce copious films of extracellular polymeric secretions (EPS) that may interact with sediments to influence spectral reflectance signatures of shallow marine sediments....
Stratigraphic signatures of climatic change during the Holocene evolution of the Tigris朎uphrates delta, lower Mesopotamia
climatic changes Tigris朎uphrates delta sea-level fluctuations stratigraphic sequences dolomiterpalygorskite organic matter preservation
2011/11/11
Fluctuations in climate, sea level and sedimentation rates, in addition to the neotectonic activity, during the geological evolution of the Tigris朎uphrates delta 巌n the last 10,000 years. had resulted...