Two-mica granite of the Sebago batholith and Effingham pluton of eastern New Hampshire (NHPAM1m;0)

State	New Hampshire
Name	Two-mica granite of the Sebago batholith and Effingham pluton of eastern New Hampshire
Geologic age	Mississippian - Pennsylvanian
Lithologic constituents	Major Igneous > Plutonic > Granitic > Granite (Batholith)Two-mica granite of the Sebago batholith and Effingham pluton of eastern New Hampshire.
Comments	Sebago batholith = 325+/-? Rb/Sr per NH026. 325+/-3 U/Pb per NH017. 298+/-2 U/Pb per J.N. Aleinikoff, oral commun., Dec. 24, 1992. Effingham pluton = 325+/-? Rb/Sr per NH026.
References	Lyons, J.B., Bothner, W.A., Moench, R.H., and Thompson, J.B., Jr., 1997, Bedrock Geologic Map of New Hampshire: Reston, VA, U.S. Geological Survey Special Map, 2 sheets, scale 1:250,000. https://ngmdb.usgs.gov/Prodesc/proddesc_37338.htm Aleinikoff, J.N., and Moench, R.H., 1985, Metavolcanic stratigraphy in northern New England and U-Pb zircon chronology [abs.]: Geological Society of America Abstracts with Programs, v. 17, p. 1. Hayward, J.A., and Gaudette, H.E., 1984, Carbiniferous age of the Sebago and Effingham plutons, Maine and New Hampshire [abs.]: Geological Society of America Abstracts with Programs, v. 16, p. 22.
NGMDB product	NGMDB product page for 37338
Counties	Carroll - Coos

State

Name

Two-mica granite of the Sebago batholith and Effingham pluton of eastern New Hampshire

Geologic age

Mississippian - Pennsylvanian

Lithologic constituents

Major

Igneous > Plutonic > Granitic > Granite (Batholith)Two-mica granite of the Sebago batholith and Effingham pluton of eastern New Hampshire.

Comments

Sebago batholith = 325+/-? Rb/Sr per NH026. 325+/-3 U/Pb per NH017. 298+/-2 U/Pb per J.N. Aleinikoff, oral commun., Dec. 24, 1992. Effingham pluton = 325+/-? Rb/Sr per NH026.

References

Lyons, J.B., Bothner, W.A., Moench, R.H., and Thompson, J.B., Jr., 1997, Bedrock Geologic Map of New Hampshire: Reston, VA, U.S. Geological Survey Special Map, 2 sheets, scale 1:250,000.

https://ngmdb.usgs.gov/Prodesc/proddesc_37338.htm

Aleinikoff, J.N., and Moench, R.H., 1985, Metavolcanic stratigraphy in northern New England and U-Pb zircon chronology [abs.]: Geological Society of America Abstracts with Programs, v. 17, p. 1.

Hayward, J.A., and Gaudette, H.E., 1984, Carbiniferous age of the Sebago and Effingham plutons, Maine and New Hampshire [abs.]: Geological Society of America Abstracts with Programs, v. 16, p. 22.

NGMDB product

NGMDB product page for 37338

Counties

Carroll - Coos