Configuration of Columbia, a Mesoproterozoic supercontinent

JJW Rogers, M Santosh - Gondwana Research, 2002 - Elsevier
A supercontinent, here named Columbia, may have contained nearly all of the earth's
continental blocks at some time between 1.9 Ga and 1.5 Ga. At that time, eastern India …

Tectonic model for the Proterozoic growth of North America

SJ Whitmeyer, KE Karlstrom - Geosphere, 2007 - pubs.geoscienceworld.org
This paper presents a plate-scale model for the Precambrian growth and evolution of the
North American continent. The core of the North American continent (Canadian shield) came …

Long-lived (1.8–1.0 Ga) convergent orogen in southern Laurentia, its extensions to Australia and Baltica, and implications for refining Rodinia

KE Karlstrom, KI Åhäll, SS Harlan, ML Williams… - Precambrian …, 2001 - Elsevier
Between 1.8 and 1.0 Ga (Grenville-age), a series of subparallel accretionary orogens were
added progressively to the southern edge of Laurentia. These belts now extend from …

[BOOK][B] Continents and supercontinents

JJW Rogers, M Santosh - 2004 - books.google.com
To this day, there is a great amount of controversy about where, when and how the so-called
supercontinents--Pangea, Godwana, Rodinia, and Columbia--were made and broken …

How Laramide-age hydration of North American lithosphere by the Farallon slab controlled subsequent activity in the western United States

E Humphreys, E Hessler, K Dueker… - International Geology …, 2003 - Taylor & Francis
Starting with the Laramide orogeny and continuing through the Cenozoic, the US
Cordilleran orogen is unusual for its width, nature of uplift, and style of tectonic and …

Mesoproterozoic-trans-Laurentian magmatism: A synthesis of continent-wide age distributions, new SIMS U–Pb ages, zircon saturation temperatures, and Hf and Nd …

ME Bickford, WR Van Schmus, KE Karlstrom… - Precambrian …, 2015 - Elsevier
The origin and tectonic setting of the Mesoproterozoic (1.50–1.34 Ga) granite–rhyolite
Provinces of the midcontinent region of the United States, and the coeval A-type granite …

North American lithospheric discontinuity structure imaged by Ps and Sp receiver functions

DL Abt, KM Fischer, SW French, HA Ford… - Journal of …, 2010 - Wiley Online Library
Sp and Ps converted seismic waves at 93 permanent seismic stations are used to image
upper mantle velocity discontinuities across the contiguous United States and portions of …

Seismic perspectives from the western US on magma reservoirs underlying large silicic calderas

B Schmandt, C Jiang, J Farrell - Journal of Volcanology and Geothermal …, 2019 - Elsevier
Abstract Since 1.25 Ma, three volcanic systems in the western US Cordillera hosted rhyolitic
eruptions of≳ 300 km 3 dense rock equivalent creating the Yellowstone (0.63 Ma), Long …

Inversion of Proterozoic extensional faults: An explanation for the pattern of Laramide and Ancestral Rockies intracratonic deformation, United States

S Marshak, K Karlstrom, JM Timmons - Geology, 2000 - pubs.geoscienceworld.org
Abstract The Rocky Mountains, Colorado Plateau, and Midcontinent, regions of the North
American cratonic platform, display similar styles and patterns of Phanerozoic deformation …

Porphyry copper formation driven by water-fluxed crustal melting during flat-slab subduction

TN Lamont, MA Loader, NMW Roberts, FJ Cooper… - Nature …, 2024 - nature.com
The prevailing view of the formation of porphyry copper deposits along convergent plate
boundaries involves deep crustal differentiation of metal-bearing juvenile magmas derived …