Metallogenesis and Tectonics of the Russian Far East, Alaska, and ...

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TABLE 2. Summary of correlations and tectonic linkages for the Circum-North Pacific -Continued.
Unit(s) and Correlations.
Age
Late Jurassic to mid-Cretaceous.
Alkatvaam.
Late Triassic to Paleocene.
Uyandina island arc
Tectonic Environment(s)
Uyandina-Yasachnaya volcanic belt. I Island arc. I Axial part of arc.
Late Jurassic.
Garbyn'ya, Debin, and Chursky Range
ophiolites.
Mainitskiy Island Arc
Mainitskiy terrane. I Island arc. I Axial part of arc.
Accretionary wedge.
Ophiolite.
Oloy and Svyatov Nos Continental-Margin Arcs
Oloy and and Svyatov Nos Arcs volcanic I Continental-margin arc. I Axial part of arc.
Kahilma sedimentary and volcanic
assemblage; Gravina-Nutzotin-Gambier
volcanic-plutonic-sedimentary belt;
Cadwaller, Methow, Izee, and Wallowa
island-arc and turbidite-basin terranes;
Spences Bridge volcanic-plutonic belt;
Tahtsa-Three Sisters-Francois Lake
magmatic assemblage.
Juassic to mid-Cretaceous with minor Triassic
Tectonic Linkages.
Comments
Linked to Mainitskiy arc. Remnants of
subduction of Ancestral Pacific
Occan plate.
Linked to Uyandina arc. Remnants of
subduction of Oimyakon Ocean plate.
belts.
Late Jurassic.
South Anyui terrane.
Subduction zone.
Linked to Oloy and Svyatov Nos arcs.
Late Jurassic and Early Cretaceous.
Remnants of subduction of South
Anyui Ocean plate.
Alazeya, Khetachan, and Oloy terranes.
Late Paleozoic to Early Jurassic.
Alazeya Island Arc
I Island arc. I Axial part of arc.
Aluchin terrane.
Subduction zone
Linked to Alazeya arc. Remnant of
Late Paleozoic to Early Jurassic.
I
subduction of Ancestral Pacific
Ocean platc.
Nutesyn terranes.
tinental-Margin Arc
Continental-margin arc I Axial part of arc.
Mainly Late Jurassic to Early Cretaceous.
Velmay terrane.
Upper Triassic.
Subduction zone.
Koyukuk lsland Arc
I Linkcd to Nutesyn arc. Remnant of
I subduction of Angayucham Ocean
date.
Koyukuk, Nyac, and Togiak terranes.
Mainly Late Jurassic to Early Cretaceous.
Angayucham and Goodnews terranes.
Devonian to Early Jurassic.
Island arc.
Axial part of arc.
units.
Chugach (younger part, Valdez Group),
Pacific Rim, Bridge River, and Baker
terranes.
Jurassic to Late Cretaceous.
Subduction zone.
Linked to Koyukuk arc. Remnant of
subduction of Angayucham Ocean
date.
Gravina lsland Arc
lsland arc and turbidite basin. Axial part of arc.
Accretionary wedge and
subduction zone.
Linked to Gravina arc. Remnants of
subduction of Cache Creek Ocean
plate.