USGS 11598.22

Ginkgo dawsoni Knowlton GG85

USNM Number

414178

 

Locality

Latitude: 56.271111° N

Longitude: -158.675278° W

Chignik (B-3) Quad.
Collected by R.A. Spicer and J.A. Wolfe.
Middle part of Chignik Formation.  Fluvial facies.

Locality Map

Geology

 

Description

Leaf: shape variable, usually cuniform, small; distally rounded, decurrent to petiole; dissection of lamina variable, usually bilobed; venation dichotomous.

 

Remarks

Leaves of this type were also described as G. minor by Hollick (Hollick, 1930; Plate 13, Figs. 1-7) and occur in the Nanaimo Group (Bell, 1957).