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regional metamorphism
Appalachians
1
Ar/Ar
1
Canada
1
Eastern Canada
1
Gaspe Peninsula
1
Humber Zone
1
North America
1
Northern Appalachians
1
Ordovician
1
Paleozoic
1
Quebec
1
Shickshock Group
1
Taconic Orogeny
1
absolute age
1
amphibole group
1
broadband waveforms
1
chain silicates
1
clinoamphibole
1
crustal structure
1
crustal thickening
1
dates
1
deformation
1
electron probe data
1
foliation
1
hornblende
1
metamorphic rocks
1
metamorphism
1
mica group
1
muscovite
1
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