⁴⁰Ar/³⁹Ar geochronology of the Eocene Green River Formation, Wyoming

Earth & Environmental Sciences

• tuff 100%
• geochronology 98%
• sanidine 88%
• Eocene 86%
• phenocryst 54%
• river 48%
• biotite 46%
• evaporite 35%
• turnover 29%
• matrix 19%
• age determination 18%
• refractive index 17%
• reworking 17%
• abrasion 17%
• accumulation rate 17%
• amphibole 16%
• pyroxene 16%
• mudstone 15%
• provenance 15%
• plagioclase 15%
• marker 13%
• zircon 13%
• ash 13%
• fauna 12%
• isotope 12%
• quartz 11%
• crystal 11%
• contamination 10%
• pollutant 9%
• oil 9%
• lake 9%
• air 8%
• calculation 8%
• sediment 7%
• experiment 6%
• analysis 4%