Stamford Granite - aplitic granite

A fine-grained facies consisting of white-weathering, muscovite-biotite-microcline-plagioclase aplitic granite locally forms a border facies or thin internal dikes. U-Pb zircon upper-intercept age of 962±1 Ma, no. 20 (revised from Karabinos and Aleinikoff, 1990). Cardinal Brook Intrusive Suite (965±4 Ma to 945±7 Ma). Rocks of the Green Mountain and Lincoln Mountain massifs and eastern domes.
State Vermont
Name Stamford Granite - aplitic granite
Geologic age Neoproterozoic
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Leucocratic-granitic > ApliteA fine-grained facies consisting of white-weathering, muscovite-biotite-microcline-plagioclase aplitic granite locally forms a border facies or thin internal dikes.
Comments Original unit label is Y3Ccbsa, but age listed as Neoproterozoic. Changed label to ZCcbsa.
References
NGMDB product
Counties Bennington - Windham