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A new Middle–Late Jurassic flora and hot spring chert deposit from the Deseado Massif, Santa Cruz province, Argentina

Channing, Alan, Zamuner, Alba B. and Zuniga, Adolfo 2007. A new Middle–Late Jurassic flora and hot spring chert deposit from the Deseado Massif, Santa Cruz province, Argentina. Geological Magazine 144 (2) , pp. 401-411. 10.1017/S0016756807003263

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Abstract

We present an initial report of a well-preserved and relatively diverse Gondwanan plant assemblage from Bahıa Laura Group, Chon Aike Formation strata of the Estancia Flecha Negra area, central-western region of the Deseado Massif, Santa Cruz province, Patagonia, Argentina. The locality contains the first richly fossiliferous chert with a diverse and well-preserved plant assemblage reported from the Mesozoic which is demonstrably associated with hot spring activity. A compression flora and petrified forest contained in associated clastic and volcaniclastic environments provide an indication of regional plant diversity during this as yet poorly represented stratigraphic interval.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Subjects: Q Science > QE Geology
Uncontrolled Keywords: silicification; sinter; epithermal; permineralized; permineralised; petrified
Additional Information: Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/0016-7568/ (accessed 24/02/2014).
Publisher: Cambridge University Press
ISSN: 0016-7568
Funders: Leverhulme Trust, Royal Society
Date of First Compliant Deposit: 30 March 2016
Last Modified: 05 Jan 2021 02:24
URI: http://orca.cf.ac.uk/id/eprint/16336

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