On mobile element transport in heated Abee

Details On mobile element transport in heated Abee On mobile element transport in heated Abee

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979metic..14...69i&link_type=abstract

Meteoritics, vol. 14, Mar. 31, 1979, p. 69-80.

Computer Science

Chondrites, Metamorphism (Geology), Meteoritic Composition, Temperature Effects, Thermal Simulation, Chemical Elements, Transport Properties, Trace Elements, Samples, Meteorite, Abee Meteorite, Heating, Silver, Temperatures, Chondrites, Neon, Pressure, Experiments, Tellurium, Cobalt, Cesium, Gallium, Indium, Thallium, Inclusions, Minerals

Scientific paper

Abee chondrite samples were heated at 700 C for one week at 0.00001 to 0.001 atm Ne or at 0.00001 atm H2. Samples heated in Ne showed greater loss of Bi and Se and greater retention of Zn than those heated in H2. An inverse relationship between Zn retention and ambient Ne pressure was found. Seven trace elements (Ag, Co, Cs, Ga, In, Te, and Tl) were retained or lost to the same extent regardless of the heating conditions. Variations in the apparent activation energy for C above and below 700 C suggest that diffusive loss from different hosts and/or different mobile transport processes over the temperature range may have been in effect.

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