Field Trip To Ione Basin--October 25-27, 2002

Western Foothills Of The Sierra Nevada

Amador County, California

Paleobotanist Howard Schorn, retired Collections Manager Of Fossil Plants at the University California Museum Of Paleontology, observes an eager college student down in the fossil trench at Lygodium Gulch, one of the great fossil leaf-bearing localities in the Ione Basin, western foothills of the Sierra Nevada, Amador County, California. Professors and their students from a Community College and a university had volunteered to help Howard collect fossil plants from the Middle Eocene Ione Formation. The numerous boxes of paleobotanical specimens recovered here would be used in a project, underwritten by the National Science Foundation, to study the many Eocene fossil floras of the Sierra Nevada region, to try to determine the ancestral paleoelevations and paleoclimate of the Eocene Sierra Nevada. Image taken on October 26, 2002.

Please note: All fossil localities in the Ione Formation of Amador County, California, presently occur on private property; explicit permission from the land owners must be secured before collecting fossils there.

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