Global Strontium/Oxygen Isotope Comparison

Select Cities

Estimated Isotope Ranges for Selected Citiesδ¹⁸O (‰ VSMOW)-15.0-13.1-11.3-9.4-7.6-5.7-3.9-2.0⁸⁷Sr/⁸⁶Sr0.7000.7200.7400.7600.780CamperdownCarl Webb (Mixed Profile)Melbourne
Camperdown

⁸⁷Sr/⁸⁶Sr Range: 0.704-0.708

δ¹⁸O Range: -7.5 to -6.5

Source: Estimated from Western Victorian Volcanic Plains basalt signatures

Carl Webb (Mixed Profile)

⁸⁷Sr/⁸⁶Sr Range: 0.704-0.74

δ¹⁸O Range: -7.5 to -6.0

Source: Estimated mixed profile: Footscray birth/early years + Camperdown childhood (ages 0-11)

Melbourne

⁸⁷Sr/⁸⁶Sr Range: 0.72-0.74

δ¹⁸O Range: -7.0 to -6.0

Source: Estimated by AI based on geological data