|Location is approximate, estimate based on other nearby localities.|
|Latitude & Longitude (WGS84):||44° North , 69° West (est.)|
|Margin of Error:||~1km|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
The so-called "limestone" here is actually metamorphic calc-silicate rock/ marble. Some coarse-grained granite and pegmatite is also present.
24 valid minerals.
Rock Types Recorded
Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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Barker, Daniel (1955). The Union Limestone Quarry, Union, Maine. Rocks and Minerals 30:365-366.
King, V.T. and Foord, E.E (1994). Mineralogy of Maine - Volume 1: Descriptive Mineralogy. Maine Geological Survey, Augusta, Maine.