Unit Name: Cumberland batholith
Unit Type: Lithodemic
Rank: Complex
Status: Informal
Usage: Currently in use
Age Interval: Orosirian (2050 - 1800 ma)
Age Justification: U-Pb geochronology on monazite gave an age range of 1.90-1.85 Ga (Jackson et al., 1990).
Province/Territory: Nunavut

Originator: Scott, 1996.

Type Locality:
Cumberland Sound, southern Baffin Island, Nunavut.

Lithology:
Monzogranite to monzocharnockite (Jackson et al., 1990).

History:
Termed the Cumberland batholithic complex by Jackson et al. (1990), Scott (1996) and subsequent authors have referred to this unit as the Cumberland Batholith.

References:
Jackson, G.D., Hunt, P.A., Loveridge, W.D. and Parrish, R.R. 1990. Reconnaissance geochronology of Baffin Island, N.W.T. In Radiogenic age and isotopic studies: report 3; Geological Survey of Canada, Paper no. 89-02; pages 123-148.
Scott, D.J. 1996. Geology of the Hall Peninsula east of Iqaluit, southern Baffin Island, Northwest Territories. Geological Survey of Canada, Current Research no. 1996-C; pages 83-91.

Source: Murray Frarey's Precambrian Lexicon
Contributor: P.H. Davenport
Entry Reviewed: No
Name Set: Lithostratigraphic Lexicon
LastChange: 05 Dec 2007