Nodular and Botryoidal graphite from Boston Lead Mine,
Little Mountain, near Mt. Kearsarge, Salisbury,
Merrimack County, New Hampshire

Overgrown and partially collapsed adit at the
steep wall of granite and schist on the side of Little Mountain. John A. Jaszczak photo.

Botryoidal graphite (spheroids to 1 mm) in granite.
John A. Jaszczak collection and photo.

E. F. Duke and D. Rumble III (1986) Textural and isotopic variations in graphite from plutonic rocks, South Central New Hampshire. Contrib. Mineral. Petrol. 93:409-419.

D. Rumble and C. P. Chamberlain. (1988) Graphite vein deposits of New Hampshire. In: New England intercollegiate geological conference 80th annual meeting; Guidebook for field trips in southwestern New Hampshire, southeastern Vermont, and north-central Massachusetts pp. 241-245.

D. Rumble III and T. S. Hoering. (1986) Carbon isotope geochemistry of graphite vein deposits from New Hampshire. Geochim. Cosmochim. Acta 50:1239-1247.

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