The Summons Lab • Geobiology and Astrobiology at MIT

  • Home
  • Biomarkers
    • What is a biomarker?
    • Biomarkers as source indicators
      • Steranes, hopanes, etc.
      • Hydrocarbons
      • Environmental indicators
      • Indicators of euxinia
      • Literature cited
    • Experimental methods
      • Source rock
      • Extraction
      • Fractionation
      • GC-MS
      • Compound-specific isotopes
    • Biomarker classification
      • Lipids
        • Acetogenic lipids
        • Isoprenoids
          • Acyclic and cyclic isoprenoids
          • Polycyclic isoprenoids
            • Hopanoids
            • Steroids
            • Carotenoids
            • Squalene
      • Isotopes
        • Selected publications on using isotopes as biomarkers
      • Kerogen
      • Diagenesis and catagenesis
  • People
    • Current lab members
    • Alumni & visitors
  • Facilities
    • Sample Preparation
    • Gas Chromatographs
      • Gas chromatography – mass spectrometry
      • High Resolution Mass Spectrometer
    • Liquid Chromatography
    • Isotope Ratio Mass Spectrometry
      • Compound-specific isotope analysis
  • Research
  • Publications
  • Astrobiology
    • Team
    • Archived News
    • Outreach
    • Resources and Social Media
  • Teaching
  • News
  • Links
  • BIOmarkers Podcast
  • Wine

deep time

Earth’s Earliest Biogeochemical Cycles Earth’s Earliest Biogeochemical Cycles
Deep Time Drilling Deep Time Drilling
OAEs & Mass Extinctions OAEs & Mass Extinctions
The Proterozoic-Cambrian boundary The Proterozoic-Cambrian boundary
Evolutionary Trends in Petroleum Composition Evolutionary Trends in Petroleum Composition
Neoproterozoic Petroleum Systems of Oman Neoproterozoic Petroleum Systems of Oman
Petroleum Systems of Gondwanaland Petroleum Systems of Gondwanaland
Ancient Purple and Green Bacteria Ancient Purple and Green Bacteria
The Permo-Triassic Extinction The Permo-Triassic Extinction

Accessibility

© 2025 The Summons Lab • Geobiology and Astrobiology at MIT.

All Rights Reserved.