Year: 1996
Type: article
Abstract: Fifteen polar ice samples-fourteen from Greenland and one from Antarctica-have been analyzed for the extraterrestrial amino acid alpha-aminoisobutyric acid (AIB) in an effort to estimate the flux of interplanetary organic material to the Earth's surface. Only one sample (Greenland GISP II, 4270-4440 years old) contains detectable amounts of AIB, apparently the signature of a transient delivery event. The maximum oceanic concentration of AIB from such an event would be less than 10(exp-9) M.
Institution: Scripps Institution of Oceanography
Language: English
Topic: Astro and Planetary Science
Subfield: Space and Planetary Science
Field: Earth and Planetary Sciences
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W15097482