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to mineral or artefact surfaces [22], further facilitating their preservation. Diagenetic recalcitrance of Maillard reaction products Different biochemical precursors have variable resistance to alteration ...
of a skeleton that were diagenetically enriched in manganese [35]. The bright orange luminescence can also be excited by Mn incorporated in the calcite crystals in vivo, e.g., in the growth layers of originally ...
thick around the North Pole Monzogranite and associated granitic dikes [2, 3]. Subsequently the paleosol was again interpreted as a deep weathering profile, but 35 m thick and including highly oxidized ...
, methane and organic matter at various degrees. Beneath the oxic zone, anaerobic sulfur oxidation, sulfate reduction, anaerobic methanotrophy and methanogenesis were compartmentalized into different depths ...
by depositional and diagenetic processes. Here, we investigated systematically an N-S transect of three sediment cores from the central South Yellow Sea (SYS) muddy area. Magnetic data indicate the presence ...
in 1977, and subsequently travelled with him from Rochester (New York) to Chicago (Illinois), Ventura (California) and finally to Aventura (Florida). Approaching 90 years of age, Robert was keen ...
, subsequent contact metamorphic and late metasomatic events are reconstructed: (i) the early fluid evolution stage is characterized by intragranular negative-crystal shaped CH4–CO2-rich fluid inclusions ...
Abstract New analytical results for the composition of shrinkage bubbles (0·9–7·0 vol. %) in olivine-hosted (Fo ...
, sulfuric , and nitric and are controlled by regional atmospheric composition [35]. These persistent acidic pH conditions are potentially of concern for the longevity of fossils exposed at the surface across ...
. Phaeocystis sp. [1,2]) and macroalgal blooms (e.g. Enteromorpha sp. [3,4]). With the collapse of these blooms, organic matter is released into the ecosystem and is often subsequently deposited in preferential ...
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