Unit 4, McKenzie Formation, North Rose Hill Section (Silurian to of the United States)
Where: Allegany County County, Maryland (39.7° N, 78.8° W: paleocoordinates 29.8° S, 46.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: McKenzie Formation, Llandovery to Llandovery (443.7 - 418.7 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lithified shale and lithified limestone
• Shale with numerous thin bands of limestone.
Primary reference: H. P. Woodward. 1941. Silurian System of West Virginia. West Virginia Geological Survey 14:1-326 [P. Wagner/K. Koverman/K. Koverman] more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 41091: authorized by Pete Wagner, entered by Kimberly Koverman on 06.07.2004