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Science 14 July 1972:
Vol. 177. no. 4044, pp. 165 - 166
DOI: 10.1126/science.177.4044.165
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Articles

Petrified Peat from a Paleocene Lignite in North Dakota

Francis T. C. Ting 1

1 Department of Geology, University of North Dakota, Grand Forks 58201

The first discovery of a silicified peat in a Paleocene lignite is reported from western North Dakota. The state of preservation of plant structures is comparable to that of Carboniferous coal balls. A sampling of anatomical details is illustrated.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)