Table T4. Gas elements query.
Item name
Janus table
Janus column name or calculation
Leg SECTION Leg
Site SECTION Site
Hole SECTION Hole
Core SECTION Core
Type SECTION Core_type
Section SECTION Section_number
Top (cm) SAMPLE Top_interval x 100
Bottom (cm) SAMPLE Bottom_interval x 100
Depth (mbsf) DEPTH_MAP, SAMPLE DEPTH_MAP.Map_interval_top + SAMPLE.Top_interval
Methane/Ethane (C1/C2 ratio) CHEM_GAS_ANALYSIS Calculated
Methane (C1) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – C1::GAS_ANALYSIS_RESULT
Ethane (C2) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – C2::GAS_ANALYSIS_RESULT
Ethylene (C2=) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – C2=::GAS_ANALYSIS_RESULT
Ethane + Ethylene (C2 + C2=) [ppm] CHEM_GAS_ANALYSIS Calculated
Propane (C3) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – C3::GAS_ANALYSIS_RESULT
Propane + Propylene (C3 + C3=) [ppm] CHEM_GAS_ANALYSIS Calculated
Propylene (C3=) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – C3=::GAS_ANALYSIS_RESULT
i-Butane (i-C4) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – I-C4::GAS_ANALYSIS_RESULT
n-Butane (n-C4) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – N-C4::GAS_ANALYSIS_RESULT
n-Pentane (n-C5) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – N-C5::GAS_ANALYSIS_RESULT
i-Pentane (i-C5) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – I-C5::GAS_ANALYSIS_RESULT
n-Hexane (n-C6) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – N-C6::GAS_ANALYSIS_RESULT
i-Hexane (i-C6) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – I-C6::GAS_ANALYSIS_RESULT
n-Heptane (n-C7) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – N-C7::GAS_ANALYSIS_RESULT
i-Heptane (i-C7) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – I-C7::GAS_ANALYSIS_RESULT
Nitrogen (N2) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – N2::GAS_ANALYSIS_RESULT
Oxygen (O2) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – O2::GAS_ANALYSIS_RESULT
Hydrogen Sulfide (H2S) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – H2S::GAS_ANALYSIS_RESULT
Carbon Dioxide (CO2) [ppm] CHEM_GAS_ANALYSIS GAS_ANALYSIS_CODE – CO2::GAS_ANALYSIS_RESULT
Run CHEM_GAS_SAMPLE Run_ID
Instrument CHEM_GAS_SAMPLE Method_code
Method CHEM_GAS_SAMPLE Gas_sample_method
Detector CHEM_GAS_SAMPLE Gas_detector_signal