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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)


Journal of Sedimentary Petrology
Vol. 45 (1975)No. 2. (June), Pages 405-414

Pseudo- and Dubiofossils from the Newland Limestone (Belt Supergroup, Late Precambrian), Montana

Allan M. Gutstadt


Presumed algal remains described by Walcott (1914) under the names "Camasia," "Copperia," "Greysonia," and "Newlandia major" are pseudofossils formed by replacement along fractures and bedding planes. Newlandia frondosa and N. lamellosa, also named by Walcott, could be algal stromatolites and are retained as dubiofossils.

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