Search for dissertations about: "Andrew Steele"

Found 1 swedish dissertation containing the words Andrew Steele.

2. 1. Single fluid inclusion analysis using ToF-SIMS : Implications for ancient Earth biodiversiy and paleoenvironment studies

   Author : Sandra Siljeström; Jukka Lausmaa; Andrew Steele; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; ToF-SIMS; time-of-flight secondary ion mass spectrometry; fluid inclusions; biomarkers; hopanes; steranes; early life; paleoenvironment; oil; eukaryotes; Earth sciences; Geovetenskap; geokemi; Geochemistry;

   Abstract : When and how life first emerged on the Earth is an area of intense research. Signs of the first life on Earth, including morphological fossils, are scarce and hard to interpret. An alternative approach is to study organic biomarkers, which are molecular fossils commonly considered as bona fide biosignatures. READ MORE