The granite is part of a batholith dated 14 m.y.a locally known as Camelback Granite. It extends southward from Black Mountain and is expressed in outcrops in the McDowell Mountains, the Union Hills, and Camelback Mountain. Texturally, the granite varies from a large crystal with phenocrysts of up to 2.5 cm., to a finer grained crystal texture.

Geographic entities mentioned:
surface_form: Camelback Mountain
instance_of: Mountain
countries: United States
coordinates: lat: 33.5144875
lon: -111.9618124
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 36.304444444444
lon: -120.40333333333
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 38.03881
lon: -119.27877
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 33.619166666667
lon: -117.00138888889
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 35.931
lon: -115.044
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 38.7183
lon: -105.687
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 37.469166666667
lon: -90.496111111111
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 59.11527777777778
lon: -136.12166666666667
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 33.378
lon: -108.227
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 33.8178
lon: -111.939
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 37.4372
lon: -121.701
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 36.8091
lon: -118.37815
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 34.6134
lon: -84.2046
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 36.3829
lon: -120.856
surface_form: camelback
instance_of: Mountain
countries: United States
coordinates: lat: 41.0419
lon: -75.3458
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 38.2353
lon: -80.2381
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 33.1599
lon: -116.808
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 37.3188
lon: -122.147
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 43.6065
lon: -73.531
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 36.9142
lon: -82.8939
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 35.9402
lon: -120.321
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 45.5248
lon: -84.2677
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 40.7914
lon: -107.387
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 32.083333333333
lon: -111.05527777778
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 43.777777777778
lon: -74.074722222222
surface_form: black mountain
instance_of: Mountain
countries: United States
coordinates: lat: 48.0826
lon: -121.2071