Evidence for life in the isotopic analysis of surface sulphates in the Haughton impact structure, and potential application on Mars

Physics & Astronomy

• isotope ratios 100%
• mars 84%
• gypsum 80%
• sulfates 77%
• sulfides 45%
• bedrock 42%
• sulfur 40%
• weathering 40%
• crusts 35%
• fractionation 34%
• sulfur isotopes 25%
• Mars surface 25%
• oxidation 20%
• pyrites 19%
• sediments 17%
• robotics 16%
• craters 16%
• iron oxides 15%
• soils 14%
• derivation 11%
• sampling 11%
• histories 11%
• cycles 9%
• causes 8%

Earth & Environmental Sciences

• impact structure 93%
• isotopic analysis 88%
• Mars 66%
• sulfate 50%
• gypsum 45%
• marcasite 32%
• sulfide 27%
• sulfur 27%
• bedrock 21%
• weathering 19%
• crust 18%
• oxidation 15%
• isotopic fractionation 14%
• sulfur isotope 14%
• robotics 13%
• iron oxide 11%
• microbial activity 11%
• crater 11%
• fill 10%
• pyrite 10%
• isotopic composition 10%
• fractionation 9%
• analysis 9%
• sampling 6%
• history 6%
• sediment 5%
• soil 5%

Agriculture & Biology

• gypsum 85%
• sulfates 61%
• sulfur 60%
• sulfides 58%
• bedrock 50%
• weathering 43%
• oxidation 26%
• pyrite 25%
• isotope fractionation 25%
• iron oxides 23%
• sampling 19%
• microbial activity 18%
• isotopes 18%
• sediments 16%
• fractionation 15%
• soil 9%