Fig. 3: Sequenced DNA mass (in ng) per gram of sample, a reference limit set at 1 ppb is included for comparison.
From: Fragmented deoxyribonucleic acid could be extractable from Mars’s surface rocks
After exposure to 10.45 MGy of radiation, the oxide iron formation, which is primarily composed of magnetite (Fe2+Fe3+2O4) and chert (SiO2), exhibits the lowest DNA yield of 0.05 ng per gram. In addition to this, the kitome contamination adds about 0.13 ng per analysis.
