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geodetic
geodetic survey
geoduck
geodynamics
geodynamo
geoeconomics
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geographic
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geographic profiling
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geochronology
ge·o·chro·nol·o·gy [ j ō krə nólləjee ]


noun 
Definition:
 
studying of ages of geologic phenomena: the study of the ages and relative ages of geologic events and rock formations

ge·o·chron·o·log·i·cal [ j ō kronə lójjik'l ] adjective
ge·o·chron·o·log·i·cal·ly adverb
ge·o·chro·nol·o·gist [ j ō krə nólləjist ] noun
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