Figure 14
From: RETRACTED ARTICLE: The Hopewell airburst event, 1699–1567 years ago (252–383 CE)
Scanning electron micrographs of Fe and Si-rich microspherules from the Turner earthworks and village site, Hamilton County, Ohio. Kenneth Barnett Tankersley used Microsoft PowerPoint for Mac Version 16.41 (www.microsoft.com) to create this figure.
