Problem with size of dataset

Dear all,

I would like to perform a geostatistical analysis using R.
To do so, I'm classicaly use geoR ou GSTAT packages.
In the present case, I have a dataset of around 157000 locations where I 
have a value (depth).
I've been not able to create both geodata or gstat valid R object 
because apparently of the size of the dataset.
DOes anybody have an idear of how to conduct such study with such 
dataset size ?
Regards

Cordialement

------------------------------------------------
Emmanuel Poizot
Cnam/Intechmer
B.P. 324
50103 Cherbourg Cedex

Phone (Direct) : (00 33)(0)233887342
Fax : (00 33)(0)233887339
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