Living stromatolites in the Andes

Posted by Jim:

Cabrol, N. A. et al. J. Geophys. Res. doi:10.1029/2008JG000818 (in the press).

via High window on the past : Nature News.

This is an interesting article for me in several ways.  It of course is interesting because of our own work on “living stromatolites” in Mexico.  Second, our collaborator Valeria Souza is quoted in the piece.  Third, the piece mentions that the water  is high in NO3 just like at Cuatro Cienegas.  I would infer that it is low in PO4 and thus might be  another piece of evidence that somehow stromatolite persistence is associated with severe P limitation.  Fourth, it’s in the Argentinian Andes, the target of my future sabbatical leave!


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