Granite pegmatite associated with the Conway granite. - The "gravel" is decomposed granite pegmatite from in-situ ledges. It is the "rotten stone" ledges which collectors have worked. (Note: This site is often erroneously cited as being in either Conway or North Conway.)
References:
Henderson, B. (1983): Microminerals (Mineralogical Record 14(1):47).
Bearss, Gene and Janules, Bob (1992): Miarolitic Cavity Minerals of the Govemment Pit, Albany, New Hampshire (Rocks & Minerals 67:158-169).
39 entries listed. 35 valid minerals. 1 erroneous literature entry.
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