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Early to Middle Ordovician back-arc basin in the southern Appalachian Blue Ridge: characteristics, extent, and tectonic significance

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James Tull, Christopher S. Holm-Denoma, and Clinton I. Barineau, 2014, Early to Middle Ordovician back-arc basin in the southern Appalachian Blue Ridge: characteristics, extent, and tectonic significance: GSA Bulletin, v. 126, iss. 7-8.

Summary

Fault-dismembered segments of a distinctive, extensive, highly allochthonous, and tectonically significant Ordovician (ca. 480–460 Ma) basin, which contains suites of bimodal metavolcanic rocks, associated base metal deposits, and thick immature deep-water (turbiditic) metasediments, occur in parts of the southern Appalachian Talladega belt, eastern Blue Ridge, and Inner Piedmont of Alabama, Georgia, and North and South Carolina. The basin's predominantly metasedimentary strata display geochemical and isotopic evidence of a mixed provenance, including an adjacent active volcanic arc and a provenance of mica (clay)-rich sedimentary and felsic plutonic rocks consistent with Laurentian (Grenvillian) upper-crustal continental rocks and [...]

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Type Scheme Key
local-index unknown 70140686
local-pk unknown 70140686
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1130/B30967.1
series unknown GSA Bulletin

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journalGSA Bulletin
parts
typevolume
value126
typeissue
value7-8
languageEnglish
citationTypeArticle

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