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lichenometry

Subcategory: geochronology
Standard reference: Benedict (1967, 1993) growth curve for Rhizocarpon geographicum in Front Range Colorado
Papers: 1 | Mentions: 1

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Description

Dating of rock glacier surfaces using measurements of lichen thalli diameters of Rhizocarpon species, applying established growth curves to estimate surface exposure ages.

Typical Equipment

  • GPS for location recording
  • clinometer for slope measurement
  • measuring tape for 5 m radius
  • calipers or ruler for measuring thalli diameters

Output Measurements

  • thalli diameter measurements
  • surface exposure ages