Mineral Resources
Online Spatial Data
Basement domains of the conterminous US and Alaska
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Mazatzal
Basement domain in the Central and Southwest
Geologic information
Region
Central and Southwest
Crust
Type:
Lateral-extensional orogen
Formation age:
1720-1650 Ma
Accretion
Age:
1.65-1.62 Ga
Geographic extent
Apache
,
Cochise
,
Gila
,
Graham
,
Greenlee
,
Maricopa
,
Navajo
,
Pima
,
Pinal
,
Santa Cruz
,
Benton
,
Adams
,
Boone
,
Brown
,
Bureau
,
Calhoun
,
Carroll
,
Cass
,
Champaign
,
Christian
,
Cook
,
DeKalb
,
De Witt
,
Douglas
,
DuPage
,
Ford
,
Fulton
,
Greene
,
Grundy
,
Hancock
,
Henderson
,
Henry
,
Iroquois
,
Jersey
,
Jo Daviess
,
Kane
,
Kankakee
,
Kendall
,
Knox
,
Lake
,
La Salle
,
Lee
,
Livingston
,
Logan
,
McDonough
,
McHenry
,
McLean
,
Macon
,
Macoupin
,
Madison
,
Marshall
,
Mason
,
Menard
,
Mercer
,
Montgomery
,
Morgan
,
Moultrie
,
Ogle
,
Peoria
,
Piatt
,
Pike
,
Putnam
,
Rock Island
,
Saint Clair
,
Sangamon
,
Schuyler
,
Scott
,
Shelby
,
Stark
,
Stephenson
,
Tazewell
,
Vermilion
,
Warren
,
Whiteside
,
Will
,
Winnebago
,
Woodford
,
Benton
,
Carroll
,
Cass
,
DeKalb
,
Elkhart
,
Fulton
,
Jasper
,
Kosciusko
,
LaGrange
,
Lake
,
LaPorte
,
Marshall
,
Newton
,
Noble
,
Porter
,
Pulaski
,
Saint Joseph
,
Starke
,
Steuben
,
Tippecanoe
,
Warren
,
White
,
Whitley
,
Appanoose
,
Cedar
,
Clinton
,
Davis
,
Des Moines
,
Henry
,
Jackson
,
Jefferson
,
Johnson
,
Jones
,
Keokuk
,
Lee
,
Louisa
,
Muscatine
,
Scott
,
Van Buren
,
Wapello
,
Washington
,
Allen
,
Anderson
,
Atchison
,
Barber
,
Barton
,
Bourbon
,
Brown
,
Butler
,
Chase
,
Chautauqua
,
Cherokee
,
Clark
,
Coffey
,
Comanche
,
Cowley
,
Crawford
,
Dickinson
,
Doniphan
,
Douglas
,
Edwards
,
Elk
,
Ellsworth
,
Ford
,
Franklin
,
Geary
,
Gray
,
Greenwood
,
Harper
,
Harvey
,
Haskell
,
Hodgeman
,
Jackson
,
Jefferson
,
Johnson
,
Kingman
,
Kiowa
,
Labette
,
Leavenworth
,
Linn
,
Lyon
,
Marion
,
Marshall
,
Meade
,
Miami
,
Montgomery
,
Morris
,
Morton
,
Nemaha
,
Neosho
,
Osage
,
Pawnee
,
Pottawatomie
,
Pratt
,
Reno
,
Rice
,
Riley
,
Rush
,
Russell
,
Sedgwick
,
Seward
,
Shawnee
,
Stafford
,
Stevens
,
Sumner
,
Wabaunsee
,
Wilson
,
Woodson
,
Wyandotte
,
Alcona
,
Allegan
,
Arenac
,
Barry
,
Bay
,
Berrien
,
Branch
,
Calhoun
,
Cass
,
Clare
,
Clinton
,
Eaton
,
Genesee
,
Gladwin
,
Gratiot
,
Hillsdale
,
Huron
,
Ingham
,
Ionia
,
Iosco
,
Isabella
,
Jackson
,
Kalamazoo
,
Kent
,
Lapeer
,
Lenawee
,
Livingston
,
Macomb
,
Mecosta
,
Midland
,
Montcalm
,
Muskegon
,
Newaygo
,
Oakland
,
Oceana
,
Ogemaw
,
Osceola
,
Oscoda
,
Ottawa
,
Roscommon
,
Saginaw
,
Saint Clair
,
Saint Joseph
,
Sanilac
,
Shiawassee
,
Tuscola
,
Van Buren
,
Washtenaw
,
Wayne
,
Adair
,
Andrew
,
Audrain
,
Barry
,
Barton
,
Bates
,
Benton
,
Boone
,
Buchanan
,
Caldwell
,
Callaway
,
Camden
,
Carroll
,
Cass
,
Cedar
,
Chariton
,
Christian
,
Clark
,
Clay
,
Clinton
,
Cole
,
Cooper
,
Crawford
,
Dade
,
Dallas
,
Daviess
,
DeKalb
,
Dent
,
Douglas
,
Franklin
,
Gasconade
,
Gentry
,
Greene
,
Grundy
,
Harrison
,
Henry
,
Hickory
,
Holt
,
Howard
,
Jackson
,
Jasper
,
Jefferson
,
Johnson
,
Knox
,
Laclede
,
Lafayette
,
Lawrence
,
Lewis
,
Lincoln
,
Linn
,
Livingston
,
McDonald
,
Macon
,
Maries
,
Marion
,
Mercer
,
Miller
,
Moniteau
,
Monroe
,
Montgomery
,
Morgan
,
Newton
,
Osage
,
Pettis
,
Phelps
,
Pike
,
Platte
,
Polk
,
Pulaski
,
Putnam
,
Ralls
,
Randolph
,
Ray
,
Saint Charles
,
Saint Clair
,
Saint Louis
,
Saline
,
Schuyler
,
Scotland
,
Shelby
,
Stone
,
Sullivan
,
Texas
,
Vernon
,
Warren
,
Washington
,
Webster
,
Wright
,
Saint Louis
,
Richardson
,
Bernalillo
,
Catron
,
Chaves
,
Cibola
,
Curry
,
DeBaca
,
Dona Ana
,
Eddy
,
Grant
,
Guadalupe
,
Harding
,
Hidalgo
,
Lea
,
Lincoln
,
Luna
,
Mora
,
Otero
,
Quay
,
Roosevelt
,
Sandoval
,
San Miguel
,
Santa Fe
,
Sierra
,
Socorro
,
Torrance
,
Union
,
Valencia
,
Williams
,
Adair
,
Alfalfa
,
Beaver
,
Blaine
,
Canadian
,
Cherokee
,
Cimarron
,
Craig
,
Creek
,
Delaware
,
Dewey
,
Ellis
,
Garfield
,
Grant
,
Harper
,
Kay
,
Kingfisher
,
Lincoln
,
Logan
,
McIntosh
,
Major
,
Mayes
,
Muskogee
,
Noble
,
Nowata
,
Okfuskee
,
Oklahoma
,
Okmulgee
,
Osage
,
Ottawa
,
Pawnee
,
Payne
,
Rogers
,
Texas
,
Tulsa
,
Wagoner
,
Washington
,
Woods
,
Woodward
,
Andrews
,
Bailey
,
Castro
,
Cochran
,
Culberson
,
Dallam
,
Deaf Smith
,
El Paso
,
Gaines
,
Hansford
,
Hartley
,
Hockley
,
Hudspeth
,
Hutchinson
,
Lamb
,
Lipscomb
,
Loving
,
Moore
,
Ochiltree
,
Oldham
,
Parmer
,
Potter
,
Reeves
,
Sherman
,
Terry
,
Winkler
,
Yoakum
,
Dane
,
Dodge
,
Green
,
Jefferson
,
Kenosha
,
Lafayette
,
Milwaukee
,
Ozaukee
,
Racine
,
Rock
,
Walworth
,
Washington
,
Waukesha
Bibliographic references
Sims, P.K., Kisvarsanyi, E.B., and Morey, G.B., 1987, Geology and metallogeny of Archean and Proterozoic basement terranes in the northern midcontinent, U.S.A.—An overview: U.S. Geological Survey Bulletin 1815, 51 p.
Van Schmus, W.R., Schneider, D.A., Holm, D.K., Dodson, S., and Nelson, B.K., 2007, New insights into the southern margin of the Archean-Proterozoic boundary in the north-central United States based on U–Pb, Sm–Nd, and Ar–Ar geochronology: Precambrian Research, v. 157, p. 80–105.
Whitmeyer, S.J., and Karlstrom, K.E., 2007, Tectonic model for Proterozoic growth of North America: Geosphere, v. 3, p. 220–259; doi: 10.1130/GES00055.1.