Fossil Gingko Leaves. Ginkgo adiantoides. Paleocene. Sentinel Butte Formation. Morton County, North Dakota, US...

Description

Fossil Gingko Leaves
Ginkgo adiantoides
Paleocene
Sentinel Butte Formation
Morton County, North Dakota, USA
6.89 x 5.12 x 0.97 inches (17.50 x 13.00 x 2.46 cm)

This rusty iron-colored brick of mottled, dark sedimentary rock plays host to two "winnowing fan" shaped Ginkgo leaves with striated texture and whitish coloration. The two sizable and detailed leaves are set in opposing positions, with a tiny unexpected remnant stem extending from the bottom of the larger fossil.

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