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• Organization: Department of the Interior
• Updated: 20231221 | Harvested: July 16, 2025 at 08:42 AM

This data release contains zircon U-Pb (n=1467) and Hf (n=332) data for five modern rivers (Connecticut, Susquehanna, Roanoke, Peedee, and Chattahoochee) draining the Appalachian mountain belt....

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• Organization: Department of the Interior
• Updated: 20210524 | Harvested: July 16, 2025 at 01:07 PM

These mapped faults are modified from Plate 2, Principal structural features, Gulf of Mexico Basin (compiled by T.E. Ewing and R.F. Lopez) in Volume J, The Geology of North America (1991); Plate...

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• Organization: Department of the Interior
• Updated: 20250214 | Harvested: August 06, 2025 at 06:48 PM

The database for the Buckner 7.5-minute quadrangle straddles three terrane boundaries in the Piedmont Physiographic Province in central Virginia: the Chopawamsic terrane, the Elk Hill Complex, and...

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• Organization: Department of the Interior
• Updated: 20250915 | Harvested: September 17, 2025 at 08:39 PM

This data release provides a vector digital dataset developed from the published metamorphic map of Massachusetts. This data release is a digital representation of the metamorphic map shown on...

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