Element abundance patterns in carbonate globules and rims from ALH 84001

Details Element abundance patterns in carbonate globules and rims from ALH 84001 Element abundance patterns in carbonate globules and rims from ALH 84001

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..367f&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 367.

Biology

2

Meteoritic Composition, Carbonates, Trace Elements, Planetary Evolution, X Ray Spectroscopy, Chemical Composition, Globules, Activity (Biology), Abundance

Scientific paper

Posssible evidence for ancient biological activity in carbonate globules and the rims on the carbonate globules from the ALH 84001 meteorite has been reported by McKay et al. (1996). Element abundance patterns have previously proven useful in constraining the formation temperatures and formation mechanisms of planetary materials and meteorites. In this study, both a carbonate globule sample and a rim sample were extracted from fresh fracture surfaces of ALH 84001 and were analyzed for major trace elements (S, Cl, Ca, Ti, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Ge, Se, Br, Rb, Sr, Y, and Zr) using an about six-micron analysis beamspot on the X-Ray Microprobe (XRF Microprobe) on Beamline X26A of the National Synchrotron Light Source at Brookhaven National Laboratory.

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