Unit 14, Wills Creek Limestone, Roundtop Section (Silurian to of the United States)
Where: Maryland (39.7° N, 78.2° W: paleocoordinates 33.4° S, 41.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Wills Creek Limestone Formation, Ludlow to Ludlow (422.9 - 416.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, gray, calcareous shale and lithified limestone
• Thin-bedded dark-gray calcareous shale and platy limestone; some mudrock; cement tunnel in lower part of this unit.
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 41152: authorized by Pete Wagner, entered by Kimberly Koverman on 07.07.2004