Governor Run, Zone 13 (Miocene of the United States)
Where: Calvert County, Maryland (38.5° N, 76.5° W: paleocoordinates 38.7° N, 73.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Plum Point Member (Calvert Formation), Langhian (16.0 - 13.8 Ma)
Environment/lithology: estuary or bay; blue claystone
• sparse molluscs, low in diversity; subtropical environment in embayment and dry onshore; area not far from shore, bay, short-term eustatic transgression events, long-term regression trend
• bluish clay
Size class: macrofossils
Primary reference: G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 70834: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
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