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Alleghenian

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Alleghenian [¦al·ə¦gān·ē·ən]
(geology)
Lower Middle Pennsylvanian geologic time.
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1998; Waldron and van Staal, 2001 and references therein), whereas the Alleghenian orogeny was due to continent collision during final closure of the Rheic Ocean.
PanLITHOPROBE workshop IV: IntraOrogen correlations and comparative ... by van Staal, C. / Geoscience Canada
The terrane is polydeformed by Acadian and Alleghenian tectonic pulses, presenting the full gamut of geologic mapping problems that must be addressed by GIS software.
A DIGITAL REGIONAL GEOLOGIC MAP OF THE NORTHERN ALABAMA PIEDMONT ... by Journal of the Alabama Academy of Science
 
 
 
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