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lichenometry

   Also found in: Wikipedia 0.01 sec.
lichenometry [‚lī·kə′näm·ə·trē]
(geology)
Measurement of the diameter of lichens growing on exposed rock surfaces; used for dating geomorphic features, particularly of glacial origin.


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Assuming familiarity with basic geologic principles, he discusses how techniques such as lichenometry (using the growth rates of lichens) can help determine which faults are still active, time of most recent event, and their frequency and magnitude.
Using lichenometry (li-chen-omet-ry), scientists use lichens to determine how old rocks and glaciers are.
[FIGURE 6 OMITTED] Late Little Ice Age moraines in Garibaldi Park have been dated more precisely by lichenometry and dendrochronology.
 
 
 
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