Silica Formation at Waterworks Park (Devonian of the United States)
Where: Michigan (42.3° N, 83.0° W: paleocoordinates 36.4° S, 30.1° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Silica Formation, Givetian (388.1 - 383.7 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; limestone and shale
• Overall sequence: Bioclastic limestone; argillaceous limestone; shale.
Primary reference: R. V. Kesling and R. B. Chilman. 1975. Strata and megafossils of the Middle Devonian Silica Formation. University of Michigan Papers on Paleontology 8:1-408 [M. Foote/M. Foote/M. Foote] more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 38476: authorized by Michael Foote, entered by Michael Foote on 21.04.2004