Paleonet: Age of Stromatolite

enrico bonino e_bonino at yahoo.it
Tue Aug 3 07:57:18 GMT 2010


Michael

No, these stromatolites aren't so old. Must be dated to Mesozoic (Cretaceous).
I've discussed with a Bolivian geologist some time ago about these fossil algal 
colonies coming from the Cochabamba region, and he said that there aren't 
outcrops dated to Precambrian in this Bolivian region. 

At my knowledge there aren't paper describing these stromatolites, but if you 
find official papers I'm interested to have a copy.

Enrico

 *********************
Enrico Bonino Dr.
GIS Specialist - Geologist at KEYOBS SA, Liège, Belgium
Museum Curator at the Back to the Past Museum, Cancun, Mexico
skype: enrico_bonino
http://www.backtothepast.com.mx
http://www.keyobs.com/fr/ebonino
...and some of my dioramas at FossiliVeraciand Paleonet
*********************




________________________________
Da: Michael W. Rasser <michael.rasser at smns-bw.de>
A: Paleonet at nhm.ac.uk
Inviato: Mar 3 agosto 2010, 09:40:05
Oggetto: Paleonet: Age of Stromatolite

Dear colleagues,

there is this well-known stromatolite from Bolivia: 
http://commons.wikimedia.org/wiki/File:Proterozoic_Stromatolites.jpg
which is said to be of Proterozoic age (2.3 billion years).

Does anybody know, if this age is correct? I remember that there are some doubts 
about this, but I am not sure!
And: is there any publication about this occurrence?

Thank you in advance and many greetings,
Michael

-- Priv.-Doz. Dr. Michael W. Rasser
Kurator für Känozoische Invertebraten
(Curator for Cenozoic Invertebrates)
Staatliches Museum für Naturkunde Stuttgart

Postal address: Rosenstein 1, D-70191 Stuttgart, Germany
Phone.: +49-(0)711/8936-146 | Fax: +49-(0)711/8936-100
NEU/NEW: michael.rasser at smns-bw.de
Museum: http://science.naturkundemuseum-bw.de/de/palaeontologie/rasser


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