SAF

CPO

MRV PO

?

Easterncontinental

margin

Westerncontinental

marginNd

E X P L A NA T IO NA cretionary arc terrane

H udsonian craton

C entral Plains orogen

Mojave province

T rans-H udson orogen

T rans-Montana orogen

Penokean orogen

CPO

MVTHO

TMO

PO

Wyoming province

Minnesota R iver province

S uperior provinceSP

WPMRV

High-angle fault

Thrust fault of Paleoproterozoic age (suture)

Strike-slip fault (1.7 Ga or younger); arrows indicate predominant relative displacement

Figure 1a.

MCR

CB

DS

GLNf

VF

SPTHO

TMO

WP

WL

MV

CF

Pale

opro

tero

zoic

Arc

hean

Stratigraphic contact