Essays about: "Biogenicity"

Found 2 essays containing the word Biogenicity.

1. 1. Methods and Approaches for Biogenicity Determination in Geological Samples - Implications for Extraterrestrial Search for Life

   University essay from Uppsala universitet/Institutionen för geovetenskaper

   Author : Alexandra Zetterlind; [2018]
   Keywords : Biogenicity; microscopy; fossilized microorganisms; astrobiology; Biogenecitet; mikroskopering; fossiliserade mikroorganismer; astrobiologi;

   Abstract : For a better understanding of how to search for an extraterrestrial life, scientists study hidden biospheres on Earth. The subseafloor crust is recognized as a vast microbial habitat and it is hypothesized that extremophilic microorganisms, occurring there, can be the first living organisms on Earth. READ MORE

3. 2. Early life and its implications for astrobiology : a case study from Bitter Springs Chert, Australia

   University essay from Lunds universitet/Geologiska institutionen

   Author : Hanna Sigeman; [2013]
   Keywords : FTIR; XRF; SEM; microfossil; stromatolites; Amadeus Basin; Bitter Springs; origin of life; microorganisms; exobiology; early life; astrobiology; tidigt liv; astrobiologi; exobiologi; mikroorganismer; livets ursprung; stromatoliter; mikrofossil; Earth and Environmental Sciences;

   Abstract : Early life research faces additional challenges than those of the study of later life forms. Due to the de-materialization of the earliest rocks, valuable information about the early Earth is forever lost. Furthermore, early life was small and morphologically basic, effectuating abiotic pseudofossils to infiltrate the fossil record. READ MORE